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Are Bats Still Endangered?

Bats around the world continue to face critical threats to their population. The International Union for the Conservation of Nature lists more than 200 species of bats across 60 countries as critically endangered, endangered, or vulnerable. Of the 40 or so species that live in the United States, more than half are declining in number or already endangered. Among the nine species that call New England home, approximately five bats are listed on state or federal endangered species lists.  

Considering the essential role that bats play in maintaining the ecosystem, protecting these flying mammals is critical. Bats consume mosquitoes — eating as much as their body weight or about 1,200 mosquitoes every night, which helps keep the population of these harmful insects in check. Additionally, bats that feed on nectar and fruit help pollinate plants. 

Understanding the vital roles these often misunderstood animals play is only the beginning of the fight to protect them from extinction. Knowing the right steps to take if a bat enters your home is essential if you live in an area with bats. The process starts with professional bat control and removal.  

Why Are Bats Endangered?  

Declining bat populations can be traced to multiple challenges. In some cases, hunting and killing bats occurs because people aren’t informed about how they keep the ecosystem healthy and rarely harm humans. Climate change and loss of habitats due to the development of wilderness areas also contribute to the problem, particularly during the winter when bats need shelter to hibernate.  

Additionally, one of the biggest challenges bats face is a disease called white-nose syndrome. It affects bats all over the world and has been especially vicious here in New England. WBUR News called it a decade of “carnage,” with bat populations that were once in the thousands reduced to a dozen or fewer bats.  

This fungal disease causes the animals to wake up during hibernation, making it impossible for them to survive the winter. Since white-nose syndrome was first identified in 2006, it has killed millions of bats in New England and across North America. 

Endangered Species of Bats in North America  

Many animal species are protected by the Endangered Species Act (ESA). This federal measure provides protection for many bats, including the Hawaiian hoary, gray, Mariana fruit, and Virginia big-eared bats. It restricts how and when bats can be removed from homes and other buildings and puts additional measures in place to aid in the conservation of bat species.  

Some bats that aren’t on the federal list of endangered species may have protection under state laws and regulations. For example, in New England, the state-designated endangered bat species include the following:  

  • The tricolored bat has a unique look with fur on its back that is dark gray at the base, yellow-brown in the middle, and dark brown at the tips. 
  • The Northern long-eared bat has light brown fur that looks uniform across much of its body, except its back, which has fur that’s lighter at the tips. 
  • The little brown bat has glossy brown fur and a two-toned appearance on its back and light fur on its underside.  
  • The Eastern small-footed bat is one of the smallest species and has short, pink forearms, a black facial mask and ears, and golden fur.  
  • The Indiana bat has short, blunt ears, a long tail, small hind feet, and pinkish-brown fur.  

What Can Be Done to Help?  

Across the globe, conservation efforts are in place to find ways to help protect bats. Researchers are trying to find treatments for white-nose syndrome, and various ESA and state regulations help protect bats from harm. Additionally, many biologists, researchers, and pest control companies are working to raise awareness of the importance of these animals.  

Ways that everyday people can help include getting involved in bat conservation and spreading facts to help others learn about how this wildlife species benefits the ecosystem. Other ways to get involved include: 

  • Turning off unnecessary lights to minimize light pollution, which can disrupt bats’ habits. 
  • Minimizing the use of pesticides in and around your home provides more insects for bats to eat. 
  • Creating bat-friendly habitats and roosting sites by leaving dying and dead trees in place if they don’t create a hazard. 
  • Planting a garden to attract insects, which also helps with plant pollination in addition to providing a food source for bats. 
  • Building and installing bat houses to provide essential roosting spots and a safe place for females to raise their young.  
  • Avoiding the use of poisons or trying to kill or remove bats on your own, which is illegal and inhumane.  

Instead, call for professional help if bats have invaded interior spaces where it isn’t safe. The professionals at Catseye Pest Control have the experience, equipment, and knowledge to safely remove bats according to all regulations.  

Professional Bat Removal and Control Services 

Professional bat control is a must. Bats can only be removed at certain times of year to ensure that mothers can raise their young and preserve the population. Additionally, professionals can recommend the most effective, humane, and chemical-free options to remove and control bats from homes and buildings.  

For example, residential exclusion systems provide a permanent barrier to protect vulnerable areas and prevent bats from entering the home. Commercial exclusion systems provide similar benefits for commercial structures. These systems target key areas of a building with a rigid barrier that seals the building off to keep bats, rodents, and other wildlife out.  

Additionally, with programs like Catseye’s Platinum Home Protection, you can rest assured that you get the best preventive services. It covers everything from insects and rodents to nuisance wildlife like bats. Technicians remove any pests on the premises, seal off any gaps or openings, and provide monitoring and bi-monthly follow-ups for the ultimate peace of mind. 

Contact Catseye Today to Learn More 

If you find a bat in your house or business, the best course of action is to call the experts.  

Our bat removal program encompasses multiple visits and uses several techniques to remove bats permanently without harming them. We also provide cleanup services and our exclusive Cat-Guard Exclusion Systems to deliver a safe, permanent solution. 

To get started, schedule an inspection of your home, garage, business, or other structure today.

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Beautiful beetles and gnarly elm leaves: Larger elm leaf beetle, Monocesta coryli, and elm leaf beetle, Xanthogaleruca luteola

 

Gorgeous larger elm leaf beetles often frequent elms in riparian forests in the eastern United States.

 

Elm leaf beetles remove tender leaf tissue leaving behind epidermis and leaf veins. These skeletonized leaves turn brown and crispy in the heat of summer.

While strolling along Cedar Creek in the wilds of Virginia, we noticed several gnarly leaves on American elm trees lining a trail by the creek. Once verdant and unscathed foliage now bore the telltale signatures of mandibulate insects dining on them. The usual suspects for defoliation of elms include caterpillars like the spiny elm caterpillar which turns into the lovely mourning cloak butterfly or the elm spanworm whose adult stage is a rather pretty white moth. However, two species of beetles, one native to North America and one from Europe, also find American elms delectable. In this natural setting, defoliation was the handiwork of the gorgeous larger elm leaf beetle. Larger elm leaf beetles emerge from their wintering refuge in the soil and move to leaves of elms and other woodland trees to feed and lay eggs in spring. Larvae and adults feed on soft leaf tissue between tough leaf veins, leaving behind a reticulate network of leaf tissue in a characteristic pattern called skeletonization. Larvae develop through the summer and autumn before moving to the soil, where they overwinter and molt to the pupal stage. This pretty native beetle is only an occasional pest of elms in landscapes. When populations of larger elm leaf beetles increase, parasitic tachinid flies attack and kill the beetles, thereby reducing damage caused by this interesting leaf-muncher.

A beautiful larger elm leaf beetle surveys the possibilities from the edge of a leaf while nearby another adult battles a forest of hairs on the stem of a wild berry plant. Larger elm leaf beetle larvae chew ragged holes in leaves, often leaving behind tough leaf veins.

Adult elm leaf beetles make ragged holes in leaves.

That was the wild, but let’s visit the city where American elms and other species of elms face a far more serious pest called the elm leaf beetle. Elm leaf beetle is native in Europe and first arrived in the US in the 1930s, where it now occupies states from coast to coast and border to border wherever elm trees grow.  After spending the leafless winter in protected locations on the ground, in spring adults move to new leaves to feed, mate, and lay eggs on leaves. Each female can lay between 600 to 800 eggs. Larvae hatch from eggs, eat soft leaf tissues, and skeletonize leaves in a manner similar to their larger elm leaf beetle cousins. When development is complete, larvae move to bark crevices on the tree or soil beneath the tree to pupate. Later in summer a new generation of adults move to the canopy to dine, mate, and lay eggs. These eggs hatch into a second generation of larvae which continue to ravage leaves of the elms. As summer wanes, larvae complete development and overwinter as adults. In warmer parts of our land, there may be 3 or 4 generations of elm leaf beetles annually. With climate change, new regions of the US could someday experience additional generations. 

Here an elm leaf beetle larva removes leaf tissue.

Elm leaf beetles are found on every continent except Antarctica and punish several species of elms as well as Japanese zelkova. However, with the importation and release of a tiny egg-killing wasp and a small parasitic fly that attacks other life stages of the beetle, populations of elm leaf beetle have declined dramatically in several areas of the US. Here in the DMV the status of elm leaf beetles has changed dramatically from major pest status in the ‘70s to minor pest status today. Reuniting a non-native pest with its complement of non-native parasites in an invaded land has proven to be a highly effective management tactic for several alien invaders in the US and in other lands.

Female elm leaf beetles can lay hundreds of eggs in clusters like these on elm leaves. Notice the small holes where larvae have chewed their way out.

Pupae and prepupae like these can be found on tree bark or in soil beneath elm trees.

Acknowledgements

Bug of the Week thanks an anonymous Virginia Park Ranger who spotted the larger elm leaf beetles at Natural Bridge State Park, which inspired this episode. References used for this story include “The larger elm leaf beetle, Monocesta coryli (Say)” by D. Anderson and C.S. Papp, “The Larger Elm Leaf Beetle, Monocesta coryli (Say), an Occasional Pest of Elms in Florida (Coleoptera: Chrysomelidae)” by Michael C. Thomas, “The Elm Leaf Beetle, Xanthogallerucae luteola” by Andrew Lawson, and “Larger Elm Leaf Beetle” by Steven Frank and James Baker.  

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Tiny raptors: Mantisflies, Mantispidae, and Praying mantises, Mantidae

 

Looks like a praying mantis, hunts like a praying mantis, but is not a praying mantis. Meet the green mantisfly.

 

Generally speaking, when we think of raptors we think of birds of prey like hawks or falcons or, if you are not a purist, maybe even non-feathered reptiles like velociraptors, made famous in Jurassic Park. Actually, raptor comes from the Latin word rapere, which means “to seize or take by force.” The term raptorial pops up in the entomological lexicon when we talk about the highly modified forelegs of some predatory insects. Their frontmost pair of legs has been shaped by millions of years of evolution for the express purpose of capturing and holding prey. They have evolved in at least four orders of insects, including the Mantodea (mantises), Neuroptera (mantisflies), Diptera (dance flies and others), and Hemiptera (ambush bugs and others).

This small mantisfly stopped by for a short photoshoot. Notice its spiny forelegs designed by nature to snare unsuspecting prey. After glamming for the camera, it flicked me off and said “see ya’ later.” Placed on a milkweed in my garden, it groomed for a few moments, bowed twice, and took flight. Though similar in appearance, mantisflies are not close relatives of praying mantises.

Although less than an inch in length, this tiny mantis is equipped with raptorial forelegs armed with sharp spines on femur and tibia to snare unsuspecting prey.

Last week while bumbling around the wilds of the Potomac we had the good fortune of encountering two of these clever predators, a pretty green mantisfly adult, Zeugomantispa minuta, and a tiny juvenile praying mantis, likely the Chinese mantis, Tenodera sinensis.  Raptorial forelegs of both mantisflies and mantises are endowed with sharp spines perfect for snaring prey. The joint where femur and tibia meet is a hinge. Strong internal muscles contract and draw the femur and tibia together, allowing deadly spines to grasp the hapless victim, preventing its escape. At less than an inch in length, the adult green mantisfly is tiny. It is dwarfed by its near namesake the praying mantis, which in the case of the Chinese mantis can be almost five times larger. As adults, both the mantisfly and mantis are sit-and-wait predators which ambush and capture a wide variety of unsuspecting insects that venture too near these motionless and cryptically colored predators. Mantisflies are also reported to actively hunt their prey. Not surprisingly, the green mantisfly takes small soft-bodied prey, including aphids. However, large mantises like the Chinese mantis eat small reptiles, amphibians, and hummingbirds in addition to insects. So, don’t place that hummingbird feeder near a plant or structure where a hungry mantis may be lurking. And yes, females do practice sexual cannibalism and sometimes consume their mates. Courtship in mantises is a risky proposition for the guys. Watch out boy, she’ll chew you up. She’s a man eater!

Legs are used for stalking and catching prey, and grooming legs appears to be important business even for small praying mantises. Watch as this youngster slowly stalks a fly. As the fly (upper left corner) comes into range, the mantis makes a lightning-fast strike. Did raptorial legs of the mantis hit the mark? You bet. Resting on a lower leaf, the mantis enjoys a well-earned meal held snugly by its spiny forelegs.

While adults of both of these insects share similar dining styles, juvenile stages differ dramatically in their behaviors and cuisine. Juvenile mantises, called nymphs, are also sit-and-wait predators like the adults and feast on many small invertebrates as meals. Juvenile mantisflies are predators or parasitoids of other arthropods, including several kinds of insects such as larval stages of beetles, moths, butterflies, bees, ants, wasps, flies, termites, and spiders. Our friend the green mantisfly is in the subfamily Mantispinae. Larvae in this group are only known to feed on spider eggs within egg sacs of spiders. Tiny hatchling larvae may either seek out and directly penetrate a spider egg sac, or they may hang out on a leaf, hitch a ride with a passing female spider, and when she constructs an egg sac they will hop off and enter the egg sac. Once inside the egg sac, larvae dine on nutrient rich spider eggs before completing their development and pupating.

Despite their similar appearance and mode of capturing prey, praying mantises and mantisflies are not closely related to each other.  Striking similarities of their remarkable raptorial legs are a fascinating example of evolution shaping morphological structure to the similar function of capturing prey in two very different predators.     

Acknowledgements

Bug of the Week thanks Eloise for discovering the tiny praying mantis that served as the inspiration for this episode. Dr. Shrewsbury provided insights into feeding behaviors of larval mantisflies. “Functional morphology of the raptorial forelegs in Mantispa styriaca (Insecta: Neuroptera)” by Sebastian Büsse, Fabian Bäumler & Stanislav N. Gorb, and “Vision in the mantispid: a sit-and-wait and stalking predatory insect” by Karl Kral, were consulted as references for this story.

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My, what ginormous jaws you have my dear: Elephant stag beetle, Lucanus elaphus

 

With jaws almost as long as its body, the elephant stag beetle is the largest of its kind in the United States.

 

Other stag beetles with somewhat less impressive mandibles like this reddish-brown stag beetle also help recycle wood here in the DMV and around the nation.

Last July we met the pleasant reddish-brown stag beetle and learned about the male’s prodigious horns, battle gear used for combat with other male stag beetles to secure access to females and their breeding sites in decaying stumps and rotting wood. This week we meet the giant stag beetle discovered by an avid insect and nature lover in coastal Virginia. The rack on the male giant stag beetle simply dwarfs mandibular ornamentation of other stag beetles here in the DMV and throughout the United States. Stag beetles are relatives of rhinoceros beetles we met in a previous episode. Male rhinoceros beetles, like our indigenous Hercules beetle, also use prodigious horns on their head to battle competitors for access to females. Amazingly large horns on rhinoceros beetles and ridiculously giant jaws of stag beetles may confer a selective advantage in winning the favors of comely female beetles, hence the continued selective pressure for large weaponry.

Stag beetles dwell in damp forest woodlands where females seek moist decaying stumps or decomposing logs, often in low-lying undisturbed forests. Wet decaying wood serves as the favored location for female beetles to deposit eggs. Larvae, aka grubs, hatch from these eggs and develop over a period of one to two years as they consume lignified tissues of their woody hosts. Stag beetle larvae house a rich microbial community in their gut. These symbionts release nutrients locked in tough woody tissues, making these goodies available to support the growth and development of stag beetle grubs. Along with several other species of wood digesting insects, lucanid larvae play a critical role in recycling organic matter in forests around the world. Adult lucanid beetles are reported to dine on fermenting exudates of plants and sweet honeydew excreted by sap-sucking insects. As you will see in the video, they are also very fond of fruit. As a house guest and star of this episode, our elephant stag beetle demonstrated a particular preference for cherries over grapes and bananas. Lucky for us and him that cherries are in season. The important role of these forest recyclers is imperiled as natural forested lands disappear and become housing developments, business parks, or heavily managed landscapes. A close relative of our elephant stag beetle, the charismatic Lucanus cervus, has declined dramatically in some parts of Europe.  

Check out the jaws on a male reddish-brown stag beetle. Now look at the jaws on the largest stag beetle in the US, the elephant stag beetle. Wow! Watch as this handsome male explores the trunk of a maple tree. The ginormous mandibles are battle-gear used to combat other males for mating rites to female stag beetles. Before returning this one to the wild, I invited this guy in for a fruity snack. Watch as his tiny mouthparts beneath his jaws lap up juicy liquids. With grapes, bananas, and cherries on the menu, cherries turned out to be the winner. Good choice.

Armament such as gnarly teeth and forks help male stag beetles grapple with other males.

Stag beetles are noisy, somewhat clumsy fliers and they create quite a buzz as they zoom though the forest or zero in on your porch light at nighttime. If you are a bug geek like me, you might just want to hold one of these large stag beetles. Worried about those jaws? Well, my house guest did test his jaws on my index finger and although this resulted in a brief adrenaline rush, his jaws failed to break my skin or inflict any pain. Not recommending that you try this, just saying. Stag beetles have very sticky claws at the tips of their feet which enable them to climb trees and grip tightly to nosy humans. According to the Maryland Biodiversity Project, July is an excellent month to spot these fascinating creatures here in the DMV. Head for the forest to catch a glimpse of these giants of the beetle world.

Watch this amazing National Geographic video to see how stag beetles use their supersized jaws to defeat competitors and gain access to mates: https://www.youtube.com/watch?v=-VWFreC4onI

Acknowledgements

Bug of the Week thanks insect lover Jackie for sharing her handsome stag beetle with us. We consulted these references for this episode: “Stag beetles” by Eric P. Benson, “Divergence in Gut Bacterial Community Structure between Male and Female Stag Beetles Odontolabis fallaciosa (Coleoptera, Lucanidae)” by  Xia Wan, Yu Jiang, Yuyan Cao, Binghua Sun and Xingjia Xiang, “Insights into the ecology, genetics and distribution of Lucanus elaphus Fabricius (Coleoptera: Lucanidae), North America’s giant stag beetle” by Michael Ulyshen, Louis  Zachos, John Stireman, Thomas Sheehan, and Ryan Garrick, and “Distribution of Lucanus elaphus Linnaeus (Coleoptera: Lucanidae) in North America” by C. L. Staines.

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How Does Pest Control Treat Flea Infestations? 

Flea Control Isn’t a DIY Project

Fleas are more than just an itchy nuisance. These tiny, bloodsucking parasites reproduce quickly, with females laying up to 40 eggs daily. Females often lay eggs on their hosts, including dogs, cats, and birds, and those eggs can easily fall off, which is how infestations spread so easily around a large area.  

The tiny pests can live up to one year, and survive for weeks between feedings, making fleas particularly challenging to get rid of once they arrive. Additionally, although fleas don’t live on humans, they often bite them, typically around the ankles and feet. Flea bites can cause an allergic reaction and potentially spread germs that cause typhus or the plague.  

Because of fleas’ rapid reproduction and far-reaching potential to spread, prompt professional pest control for a flea infestation is essential. While many people think treating their pets is enough, the entire environment requires treatment to ensure thorough removal of all fleas. DIY approaches rarely eliminate all the eggs, leaving you with a new generation that is just waiting to emerge.  

Let’s take a closer look at the types of fleas that are common to the region and the benefits of professional flea pest control.  

Types of Fleas in North America  

Adult fleas are typically no bigger than a grain of rice, with bodies that span 1/8 inch long. They don’t have wings, but these bloodsucking parasites can jump extremely long distances and have the stamina to jump up to 30,000 times in a row if needed.  

Fleas have been around for millennia, with more than 2,500 species in existence. All fleas feed on warm-blooded hosts. However, when fleas invade human spaces, they are usually one of two species: dog fleas or cat fleas.  

Dog Flea  

These fleas typically measure about 1/16 of an inch long, with brown or brownish-black bodies that look reddish-brown after feeding. As the name implies, this flea prefers feeding on canines. However, dog fleas also feed on other animals, most commonly rabbits. These fleas will bite humans as well, potentially spreading germs or tapeworm parasites to them. 

Dog fleas can survive without feeding for months. Additionally, when dogs and rabbits are not available, these fleas will feed on other animals, including birds and humans. A dog flea bite can cause intense itching and bite marks that look like a red dot with a red circle surrounding it. 

Cat Flea  

Out of the thousands of species, the cat flea is the most common type of flea. Although the dog flea is found in the United States, the cat flea accounts for the majority of flea infestations on both cats and dogs.  

Cat fleas look similar to dog fleas, with bodies that range anywhere from 1/32 to 1/8 of an inch long. They may be dark brown or reddish-brown in color, and they lay tiny, oval-shaped white eggs that are typically about 1/64 inch long. After feeding, cat fleas lay their eggs on the host, and they hatch within three weeks or less, beginning the new generation’s lifecycle. Cat fleas can enter homes, businesses, and other spaces on pets, stray animals, and wildlife such as foxes, rats, and opossums. The bites look similar to those caused by dog fleas.  

Professional Flea Control Services 

Flea control isn’t a DIY proposition. If you have pets, you should work with your veterinarian to ensure you are using the best possible treatment for them. Likewise, working with a professional pest control company ensures you effectively eliminate all fleas from the property in a safe manner.  

If you notice your pet is itching more than normal or you find tiny bites that look like a red dot surrounded by a tiny red halo, prompt action is essential. Just treating your pet for fleas is not enough because it is very likely that tiny flea eggs fell off your pet’s body (or the body of another host like nuisance wildlife). This means that flea eggs could be widely dispersed around your property.  

Catseye Pest Control uses a three-step process to eliminate fleas and restore your peace of mind. What can you expect from our flea control solutions for homes and businesses? For starters, we will work with you every step of the way, providing guidance for the actions you need to take both before and after flea treatments.  

Preparing for Professional Flea Control Services 

Cleaning before treatment can help remove fleas and trigger pupae to leave their cocoons. This helps increase the efficacy of the treatment. If you aren’t able to clean and vacuum the entire interior, focus on high-traffic areas, carpeting and floors, pet bedding, and furniture. 

What to Expect During the Visit 

We take an innovative approach to not only eliminate adult fleas, but also prevent reproduction and disrupt development. In doing so, we can eradicate fleas now and help prevent infestations in the future. Our three-step process begins with a thorough inspection of the property. From there, we create a customized treatment plan specific to your unique property. Our flea treatment begins with exterminating adult fleas, but it also includes an insect growth regulator that prevents new fleas from reproducing, effectively disrupting future lifecycles. 

Schedule Your Free Inspection Today 

The faster you get professional pest control for a flea infestation, the better the infestation can be contained. Catseye’s treatment plan is tailored to your unique property and circumstances, and it can also help prevent future infestations.  

Turn to the trusted experts at the first sign of fleas — itching, scratching, tiny bites, or visible eggs. Contact us for more flea control information or to schedule your free inspection today.  

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Dr. Jekyll and Mr. Hyde wage war on thistles: Thistle head weevils, Rhinocyllus conicus

 

Amidst defoliated leaves and deposits of beetle frass, a thistle head weevil stares back at a bug geek. Image: Paula M. Shrewsbury, PhD

 

Spiny plumeless thistles and several other thistles from abroad create major problems for agricultural crops and natural ecosystems throughout North America.

Invasive species of plants and insects levy billions of dollars of losses to crops, forests, and gardens annually in the US. Some of the most noisome plant invaders of agricultural lands are exotic thistles such as bull thistle, Scotch thistle, and musk thistle. While admiring a gorgeous pollinator meadow in Natural Bridge, Virginia, we were introduced to yet another pretty invasive thistle with the curious moniker of spiny plumeless thistle, Carduus acanthoides. These prickly rascals invaded the meadow and were crowding out flowering native plants, beauties that help support our pollinators and other beneficial insects. On closer inspection, several spiny thistles clearly were suffering from a bad case of blossom rot and defoliation. Tiny beetles behind this mayhem were weevils from afar known as thistle head weevils, Rhinocyllus conicus. How did this saga begin?

Flower heads infested with weevil larvae will fail to produce seeds.

Noxious spiny plumeless thistles are native to Europe and Asia and were first detected in the US in Camden, New Jersey, in 1878. Agricultural scientists searched the realms of several invasive thistles and discovered the thistle head weevil, which is native to parts of Europe, North Africa, and western Asia. Weevils were introduced into Canada in 1968 with subsequent introductions to California, Virginia, and Montana in 1969 for the purpose of putting a beat-down on several species of non-native thistles. Populations of thistle head weevils from Virginia were then redistributed to other states. As we wandered the meadow, every spiny thistle we encountered was under attack or bore the scars of attack by these small beetles as they munched leaves, defecated, found romance, and laid eggs on the bracts and leaves of developing flower heads. While defoliation caused by adult feeding weakens thistles, the coup de gras comes when adults deposit eggs on developing flower heads, weevil larvae subsequently hatch and then consume reproductive plant tissues before flowers can form and produce seeds. This foils reproduction in infested thistles. Scientists in Oklahoma report that thistle head weevils can reduce invasive thistles by 90% or more in 10 years or less following their introduction to an infested area. Thistle head weevils are prodigious reproducers with each female capable of laying 100 to 200 eggs during her one-year life cycle.

Spiny plumeless thistles, native to Eurasia, have invaded this pretty pollinator meadow in Virginia. But thistles are besieged by small exotic beetles called thistle head weevils, leaf munchers that deposit eggs in developing flower heads. Weevil larvae hatch from eggs and bore through the flower head, eliminating the flower’s ability to produce seeds. Over a period of several years these beetles can dramatically reduce invasive thistle populations in an area. Unfortunately, they also attack thistles native to North America, imperiling some endemic species. Watch as a mating pair is soon joined by other hungry weevils.

Thistle head weevils have a short snout. Hiding on a thistle was a similar weevil with a long snout. Could this weevil be the thistle bud weevil, Larinus planus? Like the thistle head weevil, the thistle bud weevil was imported from Europe to help control thistles in North America.

We just met thistle head weevils playing the role of Dr. Jekyll. Now let’s meet Mr. Hyde. Following the release of thistle head weevils in North America in the 1960’s, scientists discovered that the host range of the weevil included some 22 species of native North American thistles. Thistle head weevils pose a serious threat to many endemic thistles, including a California native on the federal endangered species list called the Suisun thistle. Since the time of the first introductions of thistle head weevils to the US, and with greater understanding of potential harm the weevil might cause to native thistles, in 2000 USDA cancelled all permits for interstate movement of the thistle head weevil. Nonetheless, for better or for worse, thistle head weevils are here to stay as terminators of noxious invasive thistles. The big “oops” is the thistle head weevil’s ongoing threat to our home-grown native thistles.  

Acknowledgements

Bug of the Week thanks Dr. Paula Shrewsbury for images that served as the inspiration for this episode. The following articles provided interesting facts and information for this story: “Musk thistle weevils take a stand against pasture bullies” by Lacey Newlin, “Rhinocyllus conicus (Coleoptera: Curculionidae)” by L. T. Kok”, “Invasive species: What everyone needs to know” by D. Simberloff, and “Rhinocyllus conicus” and “Larinus planus” Integrated Weed Control Program Staff, Washington State University.

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Is Pest Control Safe for Pets?

More than 86 million homes across the United States have at least one pet who is a valued member of the household. Keeping your pets happy, healthy, and safe means protecting them from hazards, and that includes pests like insects, rodents, and nuisance wildlife. But is pet-friendly pest control possible?

Absolutely, but it’s essential to talk to pest technicians about your concerns and let them know about any and all pets and livestock on the property. The best course of action is to rely on professionals who have a proven track record of prioritizing the safety of people, pets, livestock, and the environment.

Catseye Pest Control’s modern pest control methods and integrated pest management (IPM) approach do just that and more.

Pest Control Services with Your Needs in Mind

Pesticides aren’t always the appropriate go-to solution. However, when chemical treatments are necessary, the products and application used for that treatment make a significant difference. Today’s household pesticides include low concentrations of chemicals, allowing them to effectively eliminate insects while safeguarding pets (and people). Additionally, the size of the droplets is large enough to prevent it from lingering in the air for extended periods. 

For most pest treatments, it’s best to keep pets, livestock, and people out of the treated area until the treatment dries. This can take one to two hours, but you should talk to your licensed professional for precise guidance on timing based on the treatment they use. 

Catseye’s approach to pest control takes dog safety, cat safety, and the safety of other pets into consideration. Our pet-friendly pest control services include the following: 

Eco-Friendly, Pet-Friendly Pest Control with an IPM Approach 

With an IPM approach, the focus shifts to prevention and maintenance rather than relying heavily on chemical treatments. It begins with a free, thorough inspection of the property that allows technicians to identify what might be drawing pests to the property, how they are getting in, and how to effectively stop them.

We will provide tips on preventing infestations, like securing trash and food items, promptly fixing leaky plumbing, and eliminating standing water outdoors. The inspection also helps our technicians develop a customized treatment plan, which may include making structural repairs, monitoring areas for pests, and using pest products as needed.

Organic and Environmentally-Friendly Services

Modern pest control methods have so many strategies available, including options like biological control. This tactic involves introducing a pest’s natural predators to the area to achieve control without using pesticides. Our environmentally-friendly services target the pest or pests infesting your home, yard, or other area on your property, while allowing us to minimize the use of pesticides.

All our services are safe for pets when you take precautions, as recommended by technicians.

Organic Tick and Mosquito Control: Ticks and mosquitoes are so much more than just outdoor nuisances. These pests pose a significant health threat to people and pets alike. Catseye’s organic tick and mosquito program relies on natural products that are safer for pets, people, and the environment. In addition to providing effective monthly organic treatments around your property, this program also provides tips to help you prevent future infestations.

Wildlife Exclusion Systems: What if you could stop pests from ever entering your property without having to use any chemicals at all? That’s exactly what Catseye’s revolutionary environmentally friendly nuisance wildlife exclusion systems offer. These permanent, chemical-free barriers provide targeted protection to areas that are vulnerable to infiltration by pests like rodents and nuisance wildlife. Each system is guaranteed to provide a long-term solution to protect you, your family, and your pets. 

Platinum Home Protection: Year-round monitoring, maintenance, and prevention is a winning strategy for defending a home against pests of all types. Our Platinum Home Protection includes pest removal inside and outside as well as sealing gaps to prevent pests from finding their way inside. We also perform routine treatments with environmentally-friendly spray to deter pests and prevent infestations. Bi-monthly follow-ups allow us to keep up with any issues. Additionally, we will come to you within 24 hours if you spot a pest in between visits. 

Protect Your Pets and Keep the Pests Outside 

Keeping your pets safe means protecting them from harmful exposure to chemicals. It also requires maintaining a pest-free environment. Insects, rodents, and wildlife can carry dangerous pathogens that could make both people and animals ill.

Choosing the right pest control company can make all the difference in preventing problems. The Environmental Protection Agency (EPA) recommends looking for a company with the following traits: 

  • Licensed by state and/or local agencies and willing to disclose its certification and training requirements 
  • Willing to discuss the treatment plan and address any concerns you may have in addition to providing special instructions to keep your pets safe
  • Reputable, with an excellent track record for providing efficient care and good customer service 
  • Offers a service guarantee and provides transparency about any stipulations related to it 

Catseye Prioritizes Your Interests and Your Pet’s Safety

Our highly trained, licensed professionals are always happy to talk about any and all safety precautions that you should take before, during, and after treatment to safeguard your family and pets. We are always able to provide the label for any products we plan to use for you to review. We strive to provide top-notch customer service and safe, effective treatments that eliminate pests while minimizing dangers.

We take your safety seriously. Contact Catseye today to learn more about our pet-friendly pest control services.

 

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Yellow snake along the trail: Spicebush swallowtail caterpillar, Papilio troilus

 

Small snake resting on a stem? Nope, spicebush swallowtail caterpillar. Image credit: P. M. Shrewsbury, PhD

 

Visit Natural Bridge State Park in Virginia to experience spectacular scenery and fascinating wildlife.

A real geological treasure can be found at Natural Bridge State Park just off of Route 81 near Lexington, VA. Here Cedar Creek wends its way beneath a spectacular dolomitic arch formed when ancient subterranean streams of acidic water dissolved surrounding limestone and created an underground karst cave. Through hundreds of millennia, the cave collapsed and erosion exposed the magnificent arch. While enjoying a hike along gorgeous Cedar Creek, a fellow hiker asked if we had seen the strange yellow snake in a small shrub just a short piece down the river. Never wanting to miss a chance to see a snake, we backtracked to an impressive native herbaceous plant known as small flowered leafcup (Polymnia canadensis). There we discovered what, at first glance, appeared to be a stumpy, banana – yellow snake with large googly eyes meandering along the plant’s stem. Masquerading as a serpent, false eyespots on the body of this trickster have evolved to deceive vertebrate predators like birds. The logic behind this ruse goes something like this. What eats a caterpillar? Birds do. And what eats a bird? Snakes do. So, if you are a caterpillar, looking like a snake might just help scare away a hungry bird, right? Clearly, the “I am a snake not a caterpillar” trick worked well on a human and perhaps this works just as well on other vertebrate predators. 

Large snake-like eyespots on the body might give a hungry bird second thoughts about attacking this caterpillar.

I usually meet and enjoy spicebush swallowtail caterpillars on spicebush or sassafras trees. Several years ago, I rescued a small spicebush from a construction site and planted it in my back yard. In addition to wonderfully aromatic foliage, spicebush bears gorgeous red berries in autumn that are a favorite with birds. While attracting birds is delightful in its own right, this interesting native plant attracts the magnificent spicebush swallowtail, which uses spicebush as food for its young. After a few years of disappointment, I was rewarded with the appearance of three tiny swallowtail caterpillars hiding in neatly folded leaves. By clipping small notches in the foliage, the first instar larvae bend leaves over to create a tiny refuge. After passing through an ugly duckling phase resembling bird droppings as first instars, caterpillars molt and initiate their art of deception and visual surprises. 

With two large, glistening eyespots, at first glance a spicebush swallowtail caterpillar looks like a snake. This clever ruse may help it escape predation by birds and other predators. Young caterpillars build shelters to avoid detection by clipping and folding leaves. They too have false eyespots and their bodies resemble bird droppings. Yuck!  Older caterpillars sport eyespots on an emerald green background which may turn banana-yellow before they form a chrysalis and emerge as adults. This trickster fooled a human and is thought to fool other predators as well.  

With the body of a bird dropping and the head of a serpent, this young caterpillar presents a confusing visage to a would-be predator.

After its first molt, the spicebush caterpillar glistens and its dark brown coloration with brilliant white stripes announces that it is nothing more than a bird dropping. While a dung eating fly might find this attractive, it is unlikely that any self-respecting bird would entertain a bird dropping as a meal. The small spice bush larva has one more bit of visual trickery just in case a nosy predator takes a closer look. When viewed head-on, two beady false eyespots on the thorax and two dashed white lines along the sides create the creepy visage of a viper. As the caterpillar molts and grows, the serpent theme is repeated and enhanced with large vacuous eyespots set in a matrix of serpent green. The last stage of the caterpillar may turn yellow and move from the spicebush or sassafras to form a chrysalis on vegetation nearby before molting to the adult stage. 

The beautiful spicebush butterfly is thought to mimic the distasteful pipevine swallowtail.

If the art of deception fails to fool a predator, the spice bush caterpillar has one more trick up its sleeve. Just behind its head the caterpillar houses a specialized structure called the osmeterium. Usually, this forked orange appendage is tucked beneath the skin out of sight. When the caterpillar is threatened, it extends the osmeterium in the direction of the attacker. This glandular organ is coated with foul smelling chemicals reminiscent of rancid butter. The disturbing visual and olfactory display might be the final deterrent to hungry predators wanting to dine on this beautiful caterpillar. Deception does not end when the spice bush caterpillar transforms to the adult butterfly. Dark colored wings splashed with patches and lines of orange and white are thought to mimic the coloration of the nasty tasting pipevine swallowtail, Battus philenor. A trickster as a youth and a trickster as an adult help the spice bush swallowtail to live another day.       

 Acknowledgements

 Thomas Eisner’s delightful book “For Love of Insects” and David Wagner’s wonderful guide “Caterpillars of Eastern North America” were used as references for this episode. Several other insects including owl, promethea, and Io moths use false eyespots to confuse predators.

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Oh no, engorged tick! Lyme disease? Maybe not: Tick Identification

 

Engorged tick embedded in your skin? Before you toss it away, get it identified.

 

The bite from a lone star tick nymph produced an itchy red rash that lasted more than a week.

This week a family member presented me with an immature tick (nymph) recently removed from the underside of his arm. A quick microscopic examination revealed the tick was engorged, meaning it had fed long enough to possibly transmit a tick-borne illness such as the Borrelia bacterium which causes Lyme disease. Fortunately, with the help of the microscope and some excellent tick identification information from the Québec National Institute of Public Health (Institut national de santé publique du Québec), even a Bug Guy could inform his kin that a nasty case of Lyme disease was not in his future. And how does one figure this out? Well, here comes TMI. On the underside of a tick, the anus is clearly visible (yes, they also have one). Near the anus, a morphological structure called the anal grove is present. Blacklegged ticks have an anal grove that looks like an up-side-down horseshoe enclosing the anus from above. Other species of ticks, ones that don’t carry Lyme disease, have an anal grove that looks like a right-side-up horseshoe enclosing the anus from below. Conclusion – if the horseshoe is up-side-down your luck has run out. If the horseshoe is right-side-up, your luck hasn’t run out and you won’t be getting Lyme disease. You may contract another tick-borne illness, but not Lyme disease. By the way, Lyme disease is the most common arthropod-borne illness in the US and the incidence of Lyme disease in the US is roughly three times greater than the incidence of ehrlichiosis, another tick-borne illness. 

Could this blood-engorged tick carry Lyme disease bacteria? By flipping the tick on its back morphological structures can be seen. The dark brown circle in the center is the anus (yes, ticks have these too). A faint, right-side-up horseshoe or cup-shaped line called the anal suture below the anus indicates that this is not a blacklegged tick. Concerns about contracting Lyme disease from this tick can be put to rest. That’s good news.

In previous episodes we met blacklegged ticks, the vector of Lyme disease. We also learned about red-meat allergies and ehrlichiosis and the lone star ticks responsible for these afflictions. The message this week is short and to the point. If you discover a tick that has embedded in your skin (in contrast to one still roaming around) do not simply pluck it off and toss it out. A better move is to determine its identity and discover what disease organisms it might harbor. There are several tick-testing services that will identify the tick and perform molecular analysis to determine several important disease agents it may be carrying. Tick identification is available through the University of Maryland, but this service does not test for disease agents. On a recent encounter with a tick, after removing a lone star tick from my waist, I sent it off to a tick-testing laboratory. Within a week, I had results and this little rascal tested negative for the causal agents of Lyme disease, relapsing fever, anaplasmosis, Rocky Mountain spotted fever, Pacific Coast tick fever, tularemia, and ehrlichiosis. Lucky me. If your report comes back and tests are positive for one or more tick borne diseases, consult your physician and develop an action plan. Several tick-testing services can be found on the internet by simply googling “Tick Testing Services”. They provide step by step directions to prepare your sample for analysis and where to send it.

Panel B of this diagram shows how to separate blacklegged ticks and their kin, vectors of Lyme disease, from other ticks that do not carry Lyme disease. The upper tick is Ixodes which include blacklegged ticks, and the lower tick could be one of many others that do not transmit Lyme disease, but do transmit other diseases. To see a complete diagram useful in tick identification, please click on this link: https://www.inspq.qc.ca/en/it-tick  Credit: Québec National Institute of Public Health.

Just as a reminder, to reduce the risks of becoming a meal for a tick and the unfortunate recipient of alpha-gal, STARI, ehrlichiosis, or other tick-borne illnesses including Lyme disease, remember the word “AIR”. This stands for avoid, inspect, and remove.

“A” – Avoid ticks and their bites in the following ways. When taking Fido for a walk, stick to the path, trail, or pavement. You are unlikely to encounter ticks on non-grassy surfaces. If you enter habitats where wildlife and ticks are likely to be present, such as grassy meadows, borders of fields and woodlands, and vegetation along the banks of streams, wear long pants and light-colored clothing. This will help you spot ticks on your clothes as they move up your body. Be a geek – tuck your pant legs into your socks. Pants tucked into socks forces ticks to move up and over your clothes rather than under them where tasty skin awaits. Apply repellents labeled for use in repelling ticks. Some are applied directly to skin, but others can be applied only to clothing. Don’t forget to treat your footwear, socks, and pant legs. Immature ticks, the rascally and hard to detect nymphs, are a key vector of diseases and these precautions will help prevent nymphs and adults from attaching to your skin. If repellents are used, be sure to read the label, follow directions carefully, and heed precautions particularly those related to children. If your adventures take you into tick territory, consider placing your cloths directly into a clothes dryer rather than a hamper upon returning home. The heat of the dryer will kill hitchhiking ticks that might otherwise escape clothes in the hamper and cause trouble after your return home.

“I” – Inspect yourself, your family, and your pets thoroughly if you have been in tick habitats. Remember to do this when you return from the outdoors and when taking a shower. A thorough inspection may involve enlisting a helper to view those “hard to see” areas around back.

“R” – Remove ticks promptly if you find them. Removal within the first 24 hours can greatly decrease your risk of contracting a disease. If you find a tick attached, firmly grasp the tick as close to your skin as possible using a pair of fine forceps and slowly, steadily pull the tick out. Cleanse the area with antiseptic. The CDC and the Bug-Guy do not recommend methods of tick removal such as smearing the tick with petroleum jelly or scorching its rear end with a match. Cases of some tick-borne diseases such as Lyme disease are the most common in children and seniors, so take special care to keep kids of all ages safe when they play outdoors.

Acknowledgements

Bug of the Week thanks Brian for sharing his tick, which served as the inspiration for this episode. To learn more about tick identification and diseases ticks carry, please visit the wonderful resources provided by Québec National Institute of Public Health and the CDC Tick ID website.

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Types of Bugs That Might Be in Your Gutters 

Discover Which Types of Bugs Can Be Found in Your Home’s Gutters and What to Do About the Pests

Insects are far more creative and adaptable than many people realize. When they need to survive, they band together to share resources and make their homes in unlikely spots.  

You may not think of gutters as a hot spot for pests, but you would be wrong. These essential frames channel water away from the roofline and foundation of structures, serving as a simple, yet powerful water management system. By preventing water buildup in vulnerable areas, gutters help protect the structural integrity of buildings.  

So, what happens when gutters become clogged or damaged? The moisture accumulation in the frame provides an ideal environment for many resourceful pests to nest. Bugs in gutters also have easier access to homes and businesses, which is why pest control is essential. Let’s take a closer look at three of the bugs that could be in your gutters and how to get rid of them.  

Carpenter Ants  

When gutters don’t work properly, they have the potential to create significant problems, such as moisture damage and rotting wood. In turn, rotting wood may attract carpenter ants. Although these ants don’t sting, they sometimes bite. Additionally, carpenter ants chew through wood and cause extensive damage to homes, buildings, and other structures.  

Signs of Carpenter Ants  

Carpenter ants are often referred to as “silent destroyers.” Because they tunnel into wood without creating external damage, these insects frequently go unnoticed for a while. If you see large ants (usually 1/4 inch to 3/4 inch) that are black or red, you are likely dealing with carpenter ants. Additional signs include hearing soft, rustling sounds coming from the walls and finding piles of sawdust or wood shavings near wooden structures.  

Carpenter Ant Activity and Habitat  

Carpenter ants build their nests inside wood and typically prefer structural lumber that is soft and moisture damaged. Gutters that aren’t functioning properly create the ideal environment for these bugs. Once they locate wood that meets their needs, they get to work, chewing up tiny bits of wood and discarding it as they tunnel inside and create nests.  

Large colonies can contain up to 10,000 workers and often include sizable networks of tunnels with multiple nests. Left undisturbed, carpenter ants can severely damage structures and compromise their safety and stability.  

Mosquitoes

Clogged gutters create standing water, and that is a mosquito’s dream habitat. Mosquitoes love moisture-rich environments to lay their eggs, which can take as little as five days to hatch and develop into adults. These pests are more than just a biting nuisance. They can transmit dangerous diseases, including Zika and West Nile viruses, which can cause fever, joint pain, and other serious symptoms. 

Signs of Mosquitoes  

Mosquitoes have long, narrow bodies that can grow up to 2 inches long. They have a characteristic buzz that is easy to hear when they fly nearby. Seeing and hearing the bugs aren’t the only signs that you have a mosquito problem. The red, itchy welts left behind by their bites are a sure sign of these insects.  

Mosquito Activity and Habitat  

Mosquitoes can lay eggs — sometimes hundreds at once — in as little as 1/4 inch of water, making gutters an attractive spot. Male and female mosquitoes feed on plants, but females also drink blood from humans and animals to nourish their bodies for producing eggs. When you get bitten, the mosquito also injects you with saliva, which can contain dangerous pathogens.  

Wasps and Hornets 

Use caution while cleaning those gutters out – you might encounter a nasty sting. Hornets and wasps are beneficial insects in the garden because they prey on other pests, including aphids, spiders, and other insects that harm plants. Clogged or unclogged gutters can offer an attractive spot for these pests to create a nest. Some species can be more aggressive than others. Overall, bees, wasps, and hornets account for approximately 500,000 emergency room visits every year.  

Signs of Wasps and Hornets 

These feared insects are typically active during the day, returning to their nests in the evening. Seeing them flying in and out of gutters can be an indicator. Finding a papery, comb-like or smooth nest can tell you definitively that you’re dealing with one (or more) of these insects.  

Wasp and Hornet Activity and Habitat 

The proximity to moisture draws them in, offering easy access to water-dwelling pests that they can use as a food source. Gutters also provide a hollow, protected environment where they can build their nests. The corner of gutters, around brackets, and along the inside are typically favored. Wasps and hornets build nests from wood pulp, giving them a characteristic paper-like appearance. 

How to Get Rid of Pests in Gutters 

Prevention and protection are essential to protecting properties from pests. Gutters present an attractive spot for these insects (and other pests) to access food, water, and shelter. Clogged gutters pose a double threat, with standing water and decaying debris that can act like a beacon. Keeping the gutters clean, maintaining them, and ensuring they are properly installed are essential to preventing bugs in your gutters.  

Contact Catseye Pest Control to Eliminate Unwanted Pests 

For expert pest control near you, turn to the experts. Simply keeping your gutters clear may not be enough to get rid of pests in gutters or eliminate a pest problem. Our licensed, knowledgeable technicians will perform a free, thorough inspection to get to the heart of the problem and create a customized treatment plan.  

Schedule your free inspection online or by phone at 888-292-6894 to get started today.  

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