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Learn How to Keep Your Home Free from Flying Squirrels & Prevent Damage Caused by the Rodent

Flying squirrels look unassuming, but they can pose a destructive problem.

Despite their name, flying squirrels don’t actually fly. Instead of wings, they have a furry membrane called a patagium that lets the rodent soar through the air like hang gliders. The patagium acts like a parachute and stretches from the ankles to the wrists, allowing these small animals to “fly” up to 100 feet between treetops to evade predators.

The southern flying squirrel is most common in the northeast while the northern flying squirrel is a bit rarer.

Unfortunately, flying squirrels aren’t just cute and gravity-defying. They can also damage the interior and exterior of buildings. To make matters worse, this wildlife critter is very social and tends to live in colonies. If you spot one, it’s likely that even more flying squirrels are in the attic or building.

In addition to spreading diseases, flying squirrels can be a nuisance for homes and businesses. To permanently eliminate flying squirrels, it’s essential to work with expert professionals like Catseye Pest Control.

Trapping and removing just one or two of these pests may not solve the problem. Experts can take all the necessary steps to remove and prevent colonies of pests from creeping back in.

What are Flying Squirrels?

Smaller than many other types of squirrels, flying squirrels can grow from three to 24 inches in length. Species in the northern region of the United States can grow up to 11.5 inches at most and are usually comparable to chipmunks in size.

In addition to their patagium, which allows them to glide, flying squirrels also have a unique piece of cartilage that helps them steer. This cartilage enables flying squirrels to make turns as they glide through the air, which makes them unique among the species of gliding mammals.

Flying squirrels are nocturnal, with large, dark eyes, flattened tails, and fur that’s grayish-brown in color with white on the underside.

North America is home to approximately 50 species of flying squirrels, but only two types call Massachusetts, Rhode Island, Connecticut, and New Hampshire home: the northern flying squirrel and the southern flying squirrel.

The northern flying squirrel mates in late winter, while the southern flying squirrel mates in early spring.

These periods are significant as it indicates when this type of nuisance wildlife will be searching for a safe space to keep warm and raise their young. Like many other pests, flying squirrels find attics, homes, businesses, and other structures appealing as nesting sites.

Damage Flying Squirrels May Create

Flying squirrels commonly enter structures with specific goals in mind. They need a warm spot to make a nest, a safe area to raise their young, and a readily available food source. They get into houses and other buildings through attics and crawl spaces, using preexisting cracks to create larger access points to gain entry.

Once inside, flying squirrels damage attics and other interior spaces in several ways. Damage often results from the following activities:

• Gnawing on wires, which can cause shorts and increase the risk of electrical fires.
• Enlarging cracks and creating new holes in roofing, walls, and siding, which leads to expensive repairs.
• Bringing other pests, including lice, fleas, parasites, and mites, inside.

Like other critters, flying squirrels can carry and spread diseases to humans. Most commonly, they carry mange, a disease that causes an animal’s healthy fur to fall out. Additionally, it’s less common, but flying squirrels can also carry rabies.

Signs of Flying Squirrels in Houses

Aside from actual sightings, a few common clues can help you figure out your home or business has an infestation of flying squirrels. Possible signs include:

Teeth Marks

Flying squirrels can create a lot of damage by gnawing on wires, insulation, roof intersections, ridge vents, chimney flashing, and gaps in fascia and/or soffits.

Cracks that Grow

Flying squirrels typically exploit existing cracks and crevices and enlarge them for easier entry and exit.

New Holes or Damage

To make it easier to get inside, flying squirrels may create entirely new holes, causing damage to the building’s exterior walls and siding, which can lead to expensive repairs.

Droppings

Like any other animal, flying squirrels in attics and crawl spaces leave fecal matter and urine in their wake. You might see droppings, track marks from their feet, or stains from urine. It is also possible to notice unpleasant odors.

Noises

Flying squirrels often nest in walls and insulation. You may hear scratching, chirping, or clicking sounds at night, particularly if there is a colony of flying squirrels living in your home.

How to Get Rid of Flying Squirrels

As the old saying goes, “An ounce of prevention is worth a pound of cure.” If you’re concerned that your home, business, or structure may attract flying squirrels, there are ways to make the area less appealing. Preventive measures include:

• Removing bird feeders and other easy-to-access food sources
• Installing borders or fencing around gardens
• Trimming tree branches back to keep the roofline clear
• Avoiding planting nut-producing trees near buildings

If you have already seen signs of flying squirrels, contacting a pest management professional like Catseye is the most effective way to prevent them from taking over.

Experts have the knowledge and necessary equipment to effectively address, manage the situation, and remove the flying squirrels. Even better, tools like exclusion systems seal potential entry points, providing a permanent solution.

The Cat-Guard Wildlife Exclusion System

Catching and removing flying squirrels are just the start of wildlife control. With an effective exclusion system, property owners can feel rest assured that the same problem won’t happen again.

The Cat-Guard system offers three ways to protect homes or businesses:

• Upper Cat-Guard: Flying squirrels can gain entry through the attic, roof, and areas in the upper part of a building. This barrier protects everything from the roof’s peak to the top of the first-floor windows.
• Lower Cat-Guard: Think of this as your first floor’s version of Fort Knox. This barrier protects everything from the first-floor windows to ground level to prevent flying squirrels and other critters from gaining entry.
• Trench-Guard: Prevent flying squirrels and other wildlife from burrowing under structures with this system, which uses a rigid permanent barrier to protect buildings.

Contact Catseye for a Free Inspection

For maximum effectiveness, every removal plan and exclusion system should be customized to the home or business being protected.

The experts at Catseye will walk through the property and make a full assessment before creating a treatment plan that is tailored to meet the needs of the exact situation.

Contact us today for a free inspection to not only resolve the problem, but also to protect the property from future invasions.

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Last week my neighbor sent a fine image of a caterpillar resembling Cousin Itt of Addam’s Family fame. The shaggy caterpillar was comically cloaked in black, orange, and white tufts of hair. Hordes of these leaf-munchers have been discovered feeding on milkweed leaves over the last few weeks. With gardeners from coast to coast striving to help our imperiled monarch butterflies find food for their young by planting more milkweed plants, how concerned should we be about these gregarious interlopers horning-in on food for monarch caterpillars? Who are they and what should we do? These caterpillars are the offspring of a species of moth known as milkweed tussock moth or milkweed tiger moth. Before we rage on these rascals, let’s have a little course in milkweed plant and milkweed caterpillar biology.

Milkweed gets its name from the sticky white sap exuded from stems and leaves when their surface is broken by hungry insects or curious humans. Milky sap and cells within the leaves contain nasty chemicals called cardiac glycosides. As the name implies, these compounds have something to do with the heart. At higher concentrations, cardiac glycosides can be heart poisons, bringing death to humans and other animals foolish enough to eat them. However, many insects that eat milkweeds have evolved mechanisms to deal with these toxins and have the ability to consume leaves of milkweed without being poisoned. In fact, they obtain cardiac glycosides from their food and store these noxious compounds in their bodies. Caterpillars of both the monarch butterfly and milkweed tiger moth obtain cardiac glycosides and retain them as they develop into a butterfly or moth, respectively.

Milkweed tussock moth caterpillars devour leaves of milkweeds. Orange and black coloration warns predators not to mess with them.

What is all of this chemical chicanery about? Birds are important predators of many kinds of insects, including caterpillars and butterflies. Scientists discovered that cardiac glycosides found in monarch butterflies caused predators such as blue jays to vomit dramatically following an attempted monarch meal. Blue jays exposed to monarchs soon learned to recognize the monarch by sight and avoided eating these beautiful, but nasty tasting butterflies. Many of the insects that live on milkweed and consume its leaves display vivid patterns of orange and black as both juveniles and adults. This convergence on a similar, easily recognizable color pattern by two or more nasty-tasting insects is called Müllerian mimicry. Other milkweed feeders that participate in the milkweed mimicry ring include milkweed longhorned beetles, milkweed bugs, and milkweed leaf beetles we met in previous episodes. Like the larvae of the monarch, caterpillars of the milkweed tiger moth obtain cardiac glycosides from milkweeds and retain them as adults.

While the caterpillars of this tiger moth boldly wear the characteristic warning colors of orange and black as they feed during the day, the adult moth is comparatively drab at first glance with pale brown wings, but its impressive abdomen sports Halloween colors of orange and black. The fact that caterpillars of the milkweed tiger moth store cardiac glycosides for use as adults is somewhat perplexing. Primary predators of these night-flying moths are fearsome bats that hunt using sound rather than sight to locate prey. Orange and black coloration may have little value in defeating these night-hunting predators. However, the cardiac glycosides stored in the body of the moth are put to good use. The resourceful milkweed tiger moth evolved an organ that emits an ultrasonic signal easily detected by bats. The signal warns that an attack will be rewarded with a noxious distasteful meal and bats soon learn to avoid the tiger moth as prey. 

What can you do to preserve your milkweeds as a food for monarchs? Well, you really don’t want to reach for pesticides to do away with any leaf-eaters that may have come to dine on your milkweed. Although we endeavor to help our monarchs, remember that these tussock moths are an important part of our natural ecosystems too. They have their own complement of predators and parasites that depend on them as a source of food. If you are trying to enjoy monarchs dining on the milkweed patch in your garden or landscape, perhaps the best strategy is to simply collect your tussock moth caterpillars in a container and relocate them to the nearest patch of milkweeds in a nearby meadow.

Acknowledgements

Bug of the Week thanks Randy Taylor, Sam Taylor, Chris Sargent, and several Bug of the week viewers for providing the inspiration for this week’s episode. Two delightful references  “Sound strategy: acoustic aposematism in the bat–tiger moth arms race” by  Nickolay I. Hristov and William E. Conner and “Secret Weapons” by Thomas Eisner, Maria Eisner, and Melody Siegler provided valuable insights into the mysterious ways of this week’s stars.

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Last week ago, while mowing the lawn, I felt a familiar stinging sensation on my left calf after brushing up against some plants at the border of a flower bed. This surely felt like the burning pain associated with the sting of a caterpillar, but a cursory inspection of the vegetation failed to reveal a suspect. Fast forward to this week when, while pulling weeds in the same flower bed, I was treated to several stings on my lower and upper arm. This time the culprit was easy to spot resting on an iris frond where I had apparently interrupted its lunch. One’s first encounter with the saddleback caterpillar is usually memorable, more likely to be experienced through the sense of touch rather than the sense of sight.  

While weeding a flower bed, a saddleback caterpillar taught me a memorable lesson: don’t mess with a caterpillar armed with venomous spines. Watch as the saddleback defends its flanks from attack by a dissecting probe. First it turns left and engages the probe with large spines located on fleshy protuberances called scoli, found near the head and the tail. A gentle poke on the right side produces a similar defense. BTW, following this harassment, the saddleback shuffled down the leaf and resumed its meal unharmed.

Protecting the front and rear flanks of the garishly beautiful caterpillar are projections festooned with nasty spines. Like the stinging spines borne by the larvae of Io moths we met in a previous episode, these spines, or urticating hairs in entomological lingo, contain venom released upon contact with a would-be predator or unlucky human. According to Dr. Isadora Maria Villas-Boas and colleagues, the composition of the saddleback’s irritating venoms is not fully known. However, their symptoms include mild to severe burning sensations reminiscent of a wasp’s sting. In some cases, a very uncomfortable and persistent rash may develop at the point of contact. Reactions of some folks can be more troublesome with burning sensations lasting for hours or days rather than for minutes, with accompanying headaches, difficulty breathing, gastrointestinal discomfort, and in severe cases anaphylaxis.  

One look at the saddleback caterpillar plainly explains its name. In the center of its back is a striking brown shield surround by a ring of white that closely resembles a saddle. Saddleback caterpillars eat a wide variety of plants in the forest and garden including oaks, elms, lindens, apples, plums, corn, blueberries, grapes, and apparently leaves of iris plants. With such a potent defense, one might think the saddleback has gained immunity from attack by enemies. Unfortunately for the saddleback, this is not the case. While hiking the Appalachian Trail a few years ago, I happened upon a most unfortunate saddleback caterpillar reliving a scene from the 1979 movie Alien, when the larval alien pops out of John Hurt’s chest. Festooning the back of the motionless caterpillar were dozens of tiny legless larvae. Spawned from eggs deposited in the saddleback caterpillar from a tiny wasp earlier this year, fully developed wasp larvae drilled their way through the skin of their victim and writhed on its back as they spun cocoons made of white silk. Observant gardeners have likely seen small white objects like these on the back of hornworms on tomatoes and identified them as eggs of some mysterious enemy of the caterpillar. In reality, these are cocoons of small parasitic wasps in the genus Cotesia. 

In a scene straight out of Aliens, wasp larvae emerge from their saddleback host and spin white cocoons in which to pupate.

Female Cotesia wasps hunt saddlebacks and other caterpillars on the foliage of plants. Upon encountering a suitable host, they jump aboard and rapidly deliver many stings using an appendage called the ovipositor. Once inside the caterpillar, eggs hatch and wasp larvae feed on the tissues of its host. However, to survive successfully, the tiny wasp larvae must avoid death by the caterpillar’s vigilant immune system. This is where a little help from mother comes along. In addition to depositing eggs, mother Cotesia injects a special virus known as a polydnavirus into the caterpillar. The polydnavirus disables the caterpillar’s immune system, paving the way for her young to develop without interference. Once development is complete, wasp larvae move to the surface of the caterpillar, burrow through its skin, and spin a cocoon on the exterior of their host. Stinging and being stung, part of the circle of life in a bug’s world. 

Watch this half-speed video as a parasitic wasp “stings” the saddleback and deposits her eggs.

Acknowledgements 

We thank Ellery Krause and Dan Gruner for bearing the stings of caterpillars and capturing the wasps that inspired this week’s episode of Bug of the Week. The wonderful textbook “Medical and Veterinary Entomology” by Gary Mullen and Lance Durden, and fascinating articles including “Effects of the polydnavirus of Cotesia congregata on the immune system and development of non-habitual hosts of the parasitoid” by N. Lovallo, B. A. McPheron, and D. L. Cox-Foster and “Venomous caterpillars: From inoculation apparatus to venom composition and envenomation” by Isadora Maria Villas-Boas, Giuliano Bonfá, Denise V. Tambourgi were consulted to prepare this episode.

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Early one morning last week on a visit to a supermarket in rural Maryland, I was chagrined to see a gorgeous male Hercules beetle spinning helplessly on its back beneath a tall lamp post in a parking lot. We met Hercules beetles in a previous episode and learned of their sylvan life cycles recycling organic plant matter and wooing mates. With not a tree to be found in the vast parking lot desert, the presence of a break dancing, belly-up beetle was perplexing. Skip back three years to an early morning discovery of a Luna moth on a sidewalk outside a day-care center which raised a similarly puzzling question. Luna moths, aptly named in honor of the moon, are denizens of forests where males fly by the light of the moon and stars to find mates and females navigate the darkness to deposit eggs on the leaves of trees. The common feature of both of these unnatural appearances is, of course, the presence of powerful overhead light sources, one illuminating a parking lot and another guarding the entryway to a day care center at a church. These beautiful but hapless insects should have followed the sage advice given to Heather O’Rourke in Poltergeist “do not go into the light”, but unfortunately most insects have not seen the movie.

Just after dawn, I found this Hercules beetle break dancing beneath a lamppost in a parking lot. This handsome night-flier likely was attracted to the light during the night and crashed to the asphalt below. Getting off his back looked challenging. After a rescue and release in a nearby forest, he quickly disappeared inside a rotting stump.

Why are beetles, moths, and other insects attracted to lights? Scientists believe that night flying insects use light sources from distant stars and the moon to orient their flight. When light from these sources arrives at earth their light beams are largely parallel. By flying at a fixed angle to these beams, nocturnal insects maintain a straight course. However, beams of light from a nearby security light, parking lot light, or flashlight are still diverging from their source. When insects encounter these light beams, they constantly correct their angle of flight which causes them to spiral ever-inward to the source. Several other theories have been advanced to help explain the not yet fully understood reason why insects are attracted to light. In addition to attracting insects that will perish in a parking lot or on a sidewalk, light pollutions can disrupt normal behaviors such as the wondrous mating rituals of bioluminescent insects like the iconic fireflies we met in a previous episode. 

Uh oh, Luna moth down! Attracted by security lights at night, this handsome moth wound up on the sidewalk by morning. Will careless feet be its demise or hordes of hungry ants dismember it? Nah, giant fingers first rescue the moth, and then it’s off to a photoshoot before being released in the forest far away from bright lights.

So, what can we do to reduce insect carnage related to light pollution?  The trick seems to be balancing illumination for human safety with the needs of animals and plants for natural patterns of light evolved over eons. Scientists suggest that every parking lot or sport stadium does not need to be illuminated all night every night. Shielding light sources from above to prevent light escaping upward and interfering with night flying insects might also help. Low-lying lights along trails can be shielded both above and below to avoid disturbing nocturnal ground-dwelling insects. Dimming lights whenever possible may help reduce general light scatter to the sky above. Also, turning lights off when they are not needed and installing motion detectors to activate lights only when needed will reduce unnecessary illumination. For insects with well defined emergence patterns like mayflies and fireflies, reducing lights during periods of flight associated with mating activity could help preserve species whose behaviors are hard-wired to natural light patterns. And when you find one of these creatures stranded in a dangerous place beneath a light, give them a break and transport them back to more natural surroundings nearby. With a little thought and care we can all help the natural world become a little darker and more animal and plant friendly. With all of this in mind, as I put this episode of Bug of the Week to bed, I will be sure to turn off the lights both outside and inside.

Acknowledgements

The great read “Light pollution is a driver for insect declines” by C.S. Owens, P. Cochard, J.D. Durrant, B. Farnworth, E. K. Perkin, and B. Seymour was consulted for this episode.

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Black locust is commonly seen in the eastern half of the United States and planted throughout the world for its ornamental value. Honey bees transform its nectar into delicious black locust honey. Its durable wood is super resistant to rot and Abraham Lincoln is said to have spent significant amounts of time pondering liberty and equality while splitting black locust for fence posts and rails. As a member of the bean family, black locust has the ability to improve the quality of soil by fixing atmospheric nitrogen in its roots. You may recognize this tree by its fragrant white blossoms which arrive each year in the first week or two in May along major thoroughfares in the DMV, such as interstate 70, and along forest edges in our parks and farmlands. 

On a recent trip across South Mountain the black trees looked like they had been assaulted with a blow torch. What manner of devilment is this? Well, the culprit behind this beating is a small beetle called the locust leafminer. The locust leafminer belongs to a clan of beetles known as leaf beetles. Well-known leaf beetles include garden pests such as cucumber beetles and Colorado potato beetles.  Ravages caused by locust leafminer began back in spring when adult beetles emerged from their overwintering sites on the ground beneath the locust trees. During May and June beetles fly to the treetops to eat the fresh young leaves. Their feeding produces small holes in tender leaves or rough scrapes on the surface of mature leaves called skeletonization. After dining for many days, females convert the nutritious leaves into small batches of eggs laid on the lower surface of the leaves of locust. After the female deposits her brood on the leaf she defecates on them. Now what would Sigmund Freud have to say about that? No matter, this is probably a way to protect the eggs and larvae developing within from becoming a tasty meal for some roving predator.  

Feeding injury by adult and larval beetles known as the locust leafminer are scorching black locust trees along our roadways and landscapes. Feeding by adult beetles externally and as larvae within leaves causes leaves to turn white and then a crispy brown. Watch as an adult beetle grooms its legs before moving off to find the next meal.

The eggs hatch into tiny larvae that tunnel into the leaf and consume the nutritious tissue between the upper and lower surfaces. In general, insects that feed between the surface layers in this fashion are known as leafminers. Leafminers are found in many groups of insects including caterpillars, primitive wasps called sawflies, true flies, and beetles. The leafmining way of life is a clever way to avoid the dangers of occupying the leaf surface where fearsome predators such as lacewing larvae roam. When larval growth is complete, a pupa forms and within a week or so a new locust leafminer adult emerges and the life story repeats. Two generations of the locust leafminer punish locusts in our region each year. Mining produces large whitish blotches on the leaf that later turn brown as the leaf tissue dies. Leaves skeletonized by adults also turn brown. Feeding by larvae and adults in concert give the black locust its scorched appearance. Fortunately, black locust is a very hardy tree and appears able to withstand the beetle’s periodic onslaughts. 

Acknowledgements

 “Managing insects and mites on woody plants” by J. A. Davidson and M. J. Raupp was consulted for this episode. 

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Well, we all know what happened to Little Red Riding Hood when she uttered similar words to a big, bad wolf posing as grandma. But fear not, the extremely large jaws of the male reddish-brown stag beetle are used to impress a potential mate, or to battle other males for mating rights to a comely and much smaller-jawed female stag beetle. Stag beetles are relatives of rhinoceros beetles we met in a previous episode. Male rhinoceros beetles, like our indigenous Hercules beetle, use prodigious horns on their head to battle competitors for access to females. Stag beetles dwell in damp forest woodlands (and apparently sometimes in my back yard), where females seek soggy tree holes like the one in my ancient maple or moist rotting stumps on the forest floor. Wet decaying wood serves as the favored location for female beetles to deposit eggs.

Watch as this pretty reddish-brown female stag beetle inspects the soggy interior of a large tree hole in my ancient red maple tree. She was rather nonplused about the camera and stopped a few times to glam for the cam. With some luck, perhaps she will find a mate and grace my rotting tree with a fine batch of lucanid grubs.

Larvae, aka grubs, that hatch from these eggs take two years to develop as they feed on 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. The important role of these forest recyclers is imperiled as forested lands disappear. A close relative of our reddish-brown stag beetle, the charismatic Lucanus cervus, has declined dramatically in some parts of Europe.

Stag beetles are noisy, somewhat clumsy fliers and 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 reddish-brown stag beetles. Worried about those jaws? Don’t be. I have never had any issues holding males or females other than trying to release them when I was finished examining one. They 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 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, and “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.

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Last week we visited dastardly Japanese beetles shredding leaves of zinnias. On a follow-up visit to the flowers, I was surprised to see several stems festooned with fluffy white wax reminiscent of the mysterious substance from an aerosol can used to flock Christmas trees. Beneath the white flocking were nymphs of small sucking insects known as flatid planthoppers. Nearby a bizarre acanaloniid nymph baring a strange resemblance to a miniature Blurrg wandered about a flower stem trailing an array of waxy filaments from its rear end. These sucking insects are close relatives of other well-known wax producing sap-suckers such as boogie-woogie aphids and woolly alder aphids we met in previous episodes.  

Two kinds of sap-sucking planthoppers are flocking my plants with white wax. The strange brown planthopper on top is an acanaloniid and the greenish one hiding below in white wax is a flatid nymph. When the lens gets too close the flatid hops to a leaf below and takes a stroll. The acanaloniid nymph meanders up the stem to escape a nosy bug geek.

Flatid and acanaloniid planthoppers feed by inserting a small beak into the vascular system of a plant and withdrawing the nutrient-laden sap into their bodies using a small hydraulic pump located in their head. As a byproduct of this feeding, they excrete a sticky substance called honeydew that attracts other insects such as wasps and ants and serves as a substrate for the growth of a fungus called sooty mold. They also secrete a pure white wax from glands lining their abdomen. The function of this wax may be to protect them from tiny parasitic wasps determined to deliver a sting and deposit eggs into their bodies. Or the wax may confuse hungry predators such as lacewing larvae and ladybugs intent on a feast, that are bamboozled when they get a mouthful of white wax instead of planthopper flesh. Whatever the purpose of the wax, it is produced in prodigious amounts by flatids and acanaloniids.  

Planthopper nymphs hatched this spring from eggs inserted in the stem of a plant last year by the adult planthopper. Now the nymphs are beginning to molt and will soon become adult hoppers that will remain on our plants for the duration of summer and into autumn. Adult flatid planthoppers do not produce vast amounts of wax as they did in their youth, but their bodies are coated with a lovely bloom of grey, green, or bluish wax. Acanaloniid adults are tiny leaf mimics with myriad wing veins resembling the veins of leaves. They blend in remarkably well with the plants on which they feed. Flatids and acanaloniids are common on roses, dogwoods, locusts, privets, hollies, maples, and many herbaceous perennials and annuals. Flatid planthoppers have been reported to cause the terminals of small plants to droop due to their feeding. Females inserting large numbers of eggs into the stems of plants may also cause small branches or seedlings to wither. However, in general, flatid planthoppers cause very little injury to plants in our gardens and the use of insecticides to eliminate them is unwarranted. With the arrival of hot, humid, dog-days of summer, their holiday flocking seems to be a welcome reminder of cooler times to come.  

Acknowledgements       

The fact-filled articles “Histories of Anormenis septentrionalis, Metcalfa pruinosa, and Ormenoides venusta with Descriptions of Immature Stages” by S. W. Wilson and J. E. McPherson, and “Planthoppers” by Steven Frank, James Baker, and Stephen Bambara were used to prepare this episode.

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While enjoying the flower garden last week, my reverie was disturbed by the appearance of some very raggedy leaves on the zinnias. A closer inspection quickly revealed the culprit behind this assault, dastardly Japanese beetles. Historically, late June and early July are the months of misery when Japanese beetles abound, and these mischief makers have arrived right on schedule. The first detection of Japanese beetle in the United States occurred in 1916 in a plant nursery in New Jersey. They likely arrived with plant material imported from Asia, as grubs in the soil or as adult stowaways in the foliage of plants. Japanese beetles are extreme foodies with more than 400 kinds of trees, shrubs, vines, and herbaceous plants on the menu. Among their favorites are sassafras, lindens, maples, apples, cherries, grapes, roses, and apparently, my zinnias. In a series of studies, entomologist Dan Potter and his colleagues in Kentucky found that roses with large, light colored blossoms, particularly yellow or white, were more attractive to Japanese beetles than varieties with smaller, darker blossoms of red or orange. In the tree realm, researchers noted that lindens with densely hairy leaves were less preferred than scantily haired varieties. Maples with purple or deep red leaves were preferred over those with green leaves.

You may have noticed that Japanese beetles often attack one plant severely, leaving a lucky neighbor relatively unscathed. When these invaders initiate an attack, specific odors are released by the damaged plant. These send a signal to other beetles, something like “good food, eat here.” This foliar attractant is compounded when female beetles release a chemical message called a sex pheromone. The sex pheromone says to the guy beetles, “how’d you like to spend a little time with me?” Not surprisingly, a rambunctious love fest and feeding frenzy erupt, and in the process, your plant takes a beating. Clever chemists have been able to synthesize both a floral attractant released by plants and the Japanese beetle sex pheromone and place them in a lure. Attach the lure to a few plastic fins for beetles to bump into, and a funnel to direct them into a plastic bag and, voilà, you have a Japanese beetle trap.

Japanese beetle traps capture beetles by the thousands, but traps may not be all that effective in protecting your plants. Plants near the traps may actually sustain more damage as beetles lured to the vicinity mill around awaiting their turn to hit the fins and be captured. It is best to place these traps far away from valued plants you want to protect. Japanese beetles lay their eggs in soil, so if adult beetles are a chronic problem in your garden or landscape, the best way to get relief may be to reduce the numbers breeding in your lawn, especially if you have irrigated turf. One promising “organic” approach is to apply insect pathogenic nematodes, tiny roundworms that attack and kill beetle grubs. Nematodes enter the grub and release a lethal bacterium. There are many different species and strains of nematodes. Dave Shetlar of the Ohio State University suggests that products containing strains of Steinernema carpocapsae nematodes are a bit less effective against beetle grubs than species in the clan named Heterorhabditis. If you go the nematode route, you must wait to make an application until late July or August when grubs are in the soil. A second formulated microbial insecticide that shows promise is Bacillus thuringiensis galleriae, which has been demonstrated to reduce feeding by adult beetles when applied to foliage.

There are several potent soil insecticides that can be applied in late July through August that are very effective in killing tiny grubs as they hatch from eggs and feed near the soil surface. If you opt for the synthetic chemical route, choose wisely. We now know that at least one class of insecticides called neonicotinoids applied to turf grass can be taken up by clover growing in turf. Bumble bees foraging in this clover may be harmed. However, a newer class of insecticides called the anthranilic diamides present far fewer risks to our hard-working pollinators. When using any insecticide, always read the label and follow the directions carefully and pay particular attention to warnings pertaining to beneficial insects like bees.

Many insecticides are available to control adult Japanese beetles on plants, but multiple applications may be necessary if you cannot tolerate damage by these critters. As with turf applications, be cognizant of beneficial insects foraging on plants. Read and follow label precautions. Another nifty way to help reduce damage is to simply knock the beetles from your plants into a bucket of soapy water. If you do this early in the season of evil when beetles first arrive, you may reduce the chemical cues that incite a feeding frenzy. Beetle removal may be most successful in early morning or late evening when beetles are less active. There is a strange kind of justice in drowning this pest in soapy water or capturing them in traps. Save the bodies of the little rascals captured in your bucket or trap. The earthly remains of so many beetles make a wonderful addition to a compost pile that can later be used to nourish your garden.

The 4th of July heralds the arrival of Japanese beetles and flowering plants are now under attack. Volatiles from leaves shredded by beetles and sex pheromones released by females bring more beetles and damage to infested plants. Knocking beetles into a jar of soapy water when just a few are on a plant may derail the feasting and love fest. Japanese beetles are poor swimmers and after they expire, I add their tiny bodies to my compost. From soil they came, to soil they return.

Acknowledgements

Excellent references including “Assessing Insecticide Hazard to Bumble Bees Foraging on Flowering Weeds in Treated Lawns” by Jonathan L. Larson, Carl T. Redmond, and Daniel A. Potter and “Strengths and limitations of Bacillus thuringiensis galleriae for managing Japanese beetle (Popillia japonica) adults and grubs with caveats for cross-order activity to monarch butterfly (Danaus plexippus) larvae” by Carl T. Redmond, Lindsey Wallis, Matthew Geis, R. Chris Williamson, and Daniel A. Potter were used to prepare this episode. Our thanks to Dr. Shrewsbury for assistance in sending beetles to a better place.

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Keep Bats Away From Your Home Using These Helpful Tips

Bats can be beneficial and even likable creatures to have around — but not when they make their home in your attic. All too often, people fear and misunderstand these flying mammals, which can improve outdoor spaces by eating large volumes of insects. In fact, some can eat 1,000 or more per hour.  

Having the winged critter nearby might be helpful, but bats aren’t creatures you want to invite indoors as waste materials that collect on surfaces can spread diseases and cause damage.  

Professionals can help you create a plan to prevent bats from getting into your home. Catseye Pest Control also has a comprehensive solution to remove them in addition to keeping them out of the attic and other interior spaces.

Reasons to Keep Bats Out of the Attic

Bat droppings, commonly referred to as guano, serve as an ideal environment for the growth of the fungus responsible for Histoplasmosis, a respiratory disease spread through airborne spores.  

For some people, breathing in these microscopic spores doesn’t cause any problems. However, others may develop a fever and/or cough. Still others can develop severe infections and compromised immune systems. 

Bats also potentially carry rabies. In fact, the United States Centers for Disease Control and Prevention (CDC) classifies bats as the number one cause of rabies-related deaths among Americans. 

Aside from the potential illnesses that bats can cause, accumulations of bat guano and urine may cause unpleasant odors. Even worse, those droppings can compromise sheet rock, ceilings, insulation, and building structures.  

Bats also tend to scratch their way into insulation in search of warmth, and they can chew on wires and walls, resulting in cosmetic and structural damage.

Signs Bats May Be in the Attic

Sights, smells, and sounds are likely the biggest signs that warn homeowners or business owners of the presence of bats. For example, piles of droppings found near the entrance of the attic or urine stains on insulation.  

It is also possible to notice strong smells, particularly those caused by the ammonia in bat urine. Noises like squeaking and scratching can also be a telltale sign.  

Bat Species that Might Move into Your Attic

Curious about the bat species that live in our region? A variety of bat species live in Massachusetts, Rhode Island, Connecticut, and New Hampshire. Some common species found in the area include the following: 

• Big brown bats usually live in caves but also enjoy warm, dry areas like attics, crawlspaces, and chimneys. They have fur in varying shades of brown and feature black markings on their faces, wings, and ears. The impressive wingspan averages 13 to 16 inches. 
• Little brown bats are often found in attics, under floorboards, and in soffits. They are tiny — with bodies roughly the size of an adult’s thumb. Little brown bats typically have brown fur and dark spots on their upper bodies and have a wingspan that stretches approximately 11 inches. 
• Eastern small-footed bats are an endangered species, which means they must be carefully removed by a reputable pest and nuisance wildlife management company — like Catseye. These bats have tiny back feet that measure seven to eight millimeters in length. They have a characteristic black mask, black ears, and black wings. 
• Indiana bats are common throughout the East and are known for roosting in colonies. They have dark gray or brown fur that looks similar to brown bats. Their small bodies measure between two and four inches long but the wingspan ranges from nine to 11 inches. 

Tips to Keep Bats Out of Your Attic

One of the best ways to keep bats out of the attic is to identify the areas being used as entrances. Points of entry can include damaged areas of a roofline, gable vents, or gaps in siding. 

Bats like to nest in dark spots that allow them to come and go easily for their nightly feedings. Because the critter is flexible and small, most species can enter homes through openings that are as small as the diameter of a dime. 

Not only can bats fit through open vents, but they can also enter through tiny cracks and crevices to roost inside your home where it’s dry and warm. These tips can provide added peace of mind and help to keep the attic bat-free:  

• Cover vents: Don’t completely seal vents; instead, use screening to allow proper ventilation while keeping bats and other pests out. 
• Cap the chimneys: Your chimney provides an easy entry point for bats. Cover it with screening or install stainless steel chimney caps with quarter-inch wire mesh to keep bats out.  

• Check windows and doors: Ensure that there aren’t any holes, gaps, or improperly fitted screens — all of which can allow bats entry into your home. Although it is rare for a bat to enter a structure through an open window or door. 
• Seal points of entry: Seal holes around the exterior of the home and around doors and windows with weatherproofing strips, silicone, caulk, or foam insulation to provide a barrier to keep bats out. 
• Change your outdoor lighting: Switch from incandescent outdoor light bulbs to yellow bulbs or bulbs that repel bugs, which are bats’ primary food source. 

Call Catseye for Professional Removal & Exclusion Services

Bats are nocturnal and exit their homes just before nightfall to locate insects to feed upon. If you think there are bats in the attic of your home, try walking around the exterior at night to watch for bats to locate exit points.  

These openings will need to be properly sealed to prevent further intrusions — after making sure the bats are safely removed, of course.  

Catseye’s comprehensive bat removal program does more than just evict these creatures. Our expert technicians conduct multiple visits to remove them permanently and humanely. 

Our exclusion team will seal up potential points of entry to the home and install a one-way door. The door is designed to allow bats to leave the home but prevents them from reentering. 

Once the bats are no longer occupying the home, the one-way door is removed, and the hole is sealed. Then we clean up the bat droppings and urine and disinfect the area. 

Contact us today to learn more about our nuisance wildlife removal and pest control services or to schedule a free inspection. 

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Learn More About the Powassan Tick-Borne Virus, Including Which Tick Can Spread the Disease & How to Protect Yourself 

The Powassan virus is rare, but it can be deadly, and cases seem to be on the rise. From 1958 until 1998, only 27 cases were reported around the world, but in the last two decades, the number of cases increased by more than 600%.  

Recently, there has been an upward trend of tick-borne diseases throughout the Northeast and many other places that are prone to ticks.  

Recent news revealed that the Powassan virus has now claimed its second victim in as many months this year. The first Powassan-related casualty of 2022 occurred during the month of April in Maine. Just one month later, a Connecticut woman in her 90s also died from the Powassan virus. 

In the most recent case, the woman became ill at the beginning of May. When she went to the hospital, she had a fever, chills, chest pain, nausea, and an altered mental status. Two weeks before experiencing symptoms, she was bitten by a tick.   

These occurrences emphasize the importance of tick prevention. But before exploring ways to prevent tick bites, let’s take a closer look at what Powassan is and the steps you can take to protect yourself and your loved ones. 

What is the Powassan Tick Virus?

Until recently, the Powassan virus was among the lesser-known tick-borne viruses. However, the virus is steadily becoming more common in areas like Massachusetts, Connecticut, New Hampshire, and Rhode Island. It spreads to humans after they are bitten by infected ticks.  

Ticks contract the virus after feeding on infected rodents, including mice, squirrels, and groundhogs. The most common ticks responsible for transmission of the Powassan virus are the black-legged or deer tick, which are known to feed on deer, white-footed mice, and humans.  

Many people who get infected with the Powassan virus experience no symptoms at all. Others typically feel ill within one to four weeks after being bitten by an infected tick. The virus can cause inflammation in the central nervous system, including the brain and spinal cord. Symptoms of the Powassan virus can include: 

• Headache 
• Fever 
• Nausea and vomiting 
• Weakness and confusion
• Trouble moving around; lack of coordination 
• Difficulty speaking 
• Seizures 

For those with severe forms of Powassan disease, death can also occur. The Center for Disease Control and Prevention (CDC) estimates that one out of every 10 patients with severe Powassan dies.  

How to Protect Yourself 

The best form of protection against tick-borne illnesses is prevention. Tick viruses are always a concern, but especially as the temperatures rise and we spend more time outdoors.  

To prevent tick bites, it helps to be aware of where the pests like to hang out. These tiny bloodsuckers prefer wooded areas, brush, and tall grass. You could be exposed while hiking, walking, gardening — essentially any outdoor activity during the warmer months.  

After spending time outside, do a thorough check to look for ticks before the pest has a chance to settle in and bite.  

To check for ticks, thoroughly examine clothing, shoes, and exposed areas of the body. Ideally, disrobe and use a mirror to check all areas of skin. Ticks can bite anywhere, but be sure to pay special attention to certain areas, including: 

• Underarms 
• Behind the knees 
• In and around the hair 
• Inside and around the ears 
• Inside the belly button 
• Head and neck 
• Groin  

Unlike Lyme disease, Powassan transmission happens quickly, typically within minutes of getting bitten. That’s why bite prevention is particularly important for Powassan, although it’s always good practice to avoid ticks of all types. 

Keep ticks away by treating gear and clothing with products that contain 0.5% permethrin, which has the protective power that stays strong even through multiple washings. Use insect repellents that contain oil of lemon eucalyptus, DEET, or another option approved by the Environmental Protection Agency (EPA).  

Lastly, don’t forget that it’s possible to get a tick bite in your own backyard. Keeping grass and shrubs neatly trimmed, cleaning up debris, and getting help from professionals can serve as a shield of protection to restore your peace of mind. 

How Professional Tick Control Can Help

Powassan isn’t the only tick virus to consider in 2022. Lyme disease, anaplasmosis, and babesiosis are a few other tick-borne viruses carried by the black-legged tick. Catseye Pest Control offers a comprehensive Tick Control Program that eliminates the threat of ticks and helps to defend the property throughout the warmer months.  

Service begins with a thorough inspection of the property to determine the best course of action. Based on those findings, Catseye creates a customized treatment plan to eliminate the threat of ticks and a strategy to prevent tick infestations in the future. 

Ready to get started? Contact Catseye today to learn more about how professional tick control can help protect your property by starting with a free inspection.  

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