Why Are There So Many Boxelder Bugs Around My Home?

Boxelder bug crawling on a rocky terrain - Keep Boxelder bugs away from your home with Griffin Pest Solutions

Boxelder bugs congregate near homes to stay warm, seek shelter, and remain close to food. They’re attracted to sunny, heat-reflecting surfaces like windows, concrete, and homes with southern or western exposure. Boxelders also tend to stay close to their food sources: acer trees such as boxelder, maple, and ash trees.

If you feel like you’re seeing boxelders constantly this summer, it’s probably not just you. Boxelder bugs really are more attracted to some homes than others. Unfortunately, the more attracted boxelders are to your home, the more likely you’ll have to deal with them all year. Unless you do something about it! Here’s what you should know about the boxelders attracted to your home, including how to keep them away. 

What are boxelder bugs?

Boxelder bugs, or Boisea trivittata, are a species of true bug native to North America. They’re ½” long with black bodies, dark red eyes, and distinctive red markings on their abdomens and wings. Seeds from trees in the acer genus, including maple, ash, and boxelder trees are boxelder bug’s primary food source.

Boxelder bugs are considered “nuisance pests” because they’re not dangerous and can’t inflict serious damage to the plants they feed on. Boxelder bugs typically annoy or disturb homeowners by congregating near or on homes in large numbers. They may also secrete a foul-smelling, yellowish liquid when frightened or crushed. If they secrete a large amount of this liquid, it could stain nearby surfaces. 

Boxelder seeds on a boxelder tree

Why are boxelder bugs here now?

Starting in mid-spring, boxelder bugs re-emerge from their overwintering sites. Boxelder bugs are very temperature sensitive, and upon awakening, they’re usually lethargic and cold. To order to warm themselves up and regain their energy, boxelders seek out heat-reflective surfaces. During spring, you may see large concentrations of boxelders congregating around sunny places such as windows or porches.

By summer, boxelders are seeking mates and food. To find both, they’ll seek out other boxelders around food sources such as acer trees. When boxelders congregate, they release a pheromone that attracts more boxelders to their location. These boxelders eat, mate, and lay eggs on or near their food sources.

What do boxelder bugs want?

During the summer, boxelder bugs are primarily looking for mates and food. They’ll typically leave their usual sunning places in favor of food sources. During summer, you may find congregations of boxelder bugs clustered around the lower trunks of acer trees. These bugs feed on the seeds falling from the branches and lay eggs on the trunk and leaves.

Boxelders are slightly less common around homes during the summer, but they’re not unheard of. You may continue to see boxelder congregations around your home all summer, especially if there are acer trees nearby. Boxelders also like to sun themselves to warm back up after cloudy weather or rainfall. The more you see boxelders during summer, the more likely they’ll attempt to overwinter near you in fall.

Boxelder bug on a hardwood floor

Why are boxelder bugs around my home?

If you’re seeing boxelders around your home constantly, it’s probably because they’re getting food nearby. Boxelders feed almost exclusively on the seeds of boxelder, maple, and ash trees. Once they find a good food source, they’ll spend all summer feeding off of it and mating nearby. Boxelders lay eggs near food sources, usually on trunks, branches, and leaves.

Boxelder bugs are also naturally attracted to warm, sheltered areas, which may bring them closer to you. Homes with southern or western exposure tend to deal with more boxelders than most, because the sun shines on those homes longer every day. Tall buildings and structures with many large glass windows also tend to attract boxelders. If you find boxelders near your home, you’ll probably see them on garden level windows, porches, decks, or sidewalks.

What can I do about all of these boxelders?

The most effective way to avoid dealing with boxelders is to remove the boxelder tree from your property. You probably don’t want to do that, however, so follow these alternative tips instead. First, don’t crush the boxelders you find. Smashing the bugs will only release the foul-smelling liquid they also release when threatened. This liquid contains pheromones other boxelders find attractive. In other words, killing boxelders will only attract more boxelders to you.

Instead of killing them, vacuum up the boxelders you find and throw out the bag when you’re finished. Wipe down the surfaces where boxelders congregate with soapy water to remove the pheromone they secrete. Mow your lawn frequently to pick up fallen acer seeds as much as possible and deprive the bugs of their food source. To prepare for fall, you should also look for signs of gaps or cracks near areas where the bugs congregate. Patch up any gaps you find with weatherproofing or caulk.

 

If you’ve tried all of this and still have a boxelder bug problem, don’t give up hope! You can always get in touch with Griffin Pest Solutions. Our experts have the tools and know how to remove your boxelder problem this summer… before they move in with you this fall!

Winter Invaders to Watch Out For

Mouse in snow

You could call this time of year in Michigan “the dead of winter.” It certainly often feels that way, especially on one of its many dark, dreary days. Despite how it may look and feel outside, however, not everything really is dead. As you probably know, pests are nothing if not tenacious.

No matter how cold or dead the winter, pests will muddle on long enough to bother you. It would almost be inspirational, if it weren’t so annoying. Here are four pests that are probably trying to warm themselves up inside your home right now.

stink bugs

Stink Bugs

Stink bugs are infuriatingly common in Michigan. Part of the reason why they’ve managed to stick around is that they’re good at staying warm during winter. They do that by sneaking into people’s homes for shelter starting in early fall. Stink bugs congregate around windows and other warm places all fall. While they’re gathered, they find cracks and gaps around frames and siding. They use these gaps to work their way inside.

Inside, stink bugs enter a hibernation-like state called diapause for extended periods of time. While in diapause, the bugs remain completely immobile and don’t need food or water. In order to remain safe while in diapause, the bugs seek out hiding places. The stink bugs in your home may be in your walls, around your rafters, or in other secluded areas. They won’t hurt your home while they’re around, but they may produce their distinctive stink.

cluster flies

Cluster Flies

Cluster flies look a lot like common house flies, but they’re bigger, rounder, and slower. They may make a buzzing noise when they fly around. The name “cluster flies” refers to the flies’ tendency to cluster together in large numbers. Starting in late summer and early fall, they gather in groups to stay warm. As the temperature drops, they make their way into cracks and gaps around siding and awnings. Eventually, these cracks may lead them all the way inside.

Like stink bugs, cluster flies may enter prolonged periods of diapause after entering your home. These flies usually enter your home from high up, so they’re common in attics and rafters. You may find them around window or door frames, or near vents and utility lines. Cluster flies wake up during warm days to move around. They can’t hurt you or damage your property, though they may attract other pests like spiders. Cluster flies usually leave your home in spring.

rodents

Rodents

Rats and mice cannot hibernate. To survive winter, they need to find a warm place where they can access food and water. Rodents are very sensitive to temperature and pressure changes in the atmosphere. They begin infiltrating homes as soon as they sense fall approaching. Rats and mice squeeze through small gaps around window and door frames, utility lines, foundation, and siding. They find these gaps by using their acute senses to find drafts and follow the smell of food.

Rodents can’t fly like stink bugs or flies, so they usually end up in your basement. They’re attracted to any source of moisture or food. Rats and mice grind their teeth by chewing on a wide variety of soft materials. They can ruin boxes and fabric, damage furniture, or even cut electrical wires and start fires. Both rats and mice may reproduce indoors if given the chance. If you have a rodent infestation, you should deal with it fast!

boxelder bugs

Boxelder Bugs

Boxelder bug behavior is quite similar to stink bugs’. Starting in fall, they begin to gather around warm places. They’re particularly attracted to homes with southern and eastern exposure, for the sunlight. As they congregate, they may naturally slip into gaps and cracks around windows and doors. When winter comes, they will move further through the cracks to stay warm, eventually ending up inside. Boxelder bugs have very flat bodies that enable them to squeeze through tiny areas.

Boxelder bugs remain generally inactive during winter. They don’t reproduce inside and they won’t live long enough to survive winter. Boxelder bugs may emerge from their hiding places to sun themselves during warm days. When that happens, you may find them near windows or other warm areas. Boxelder bugs aren’t dangerous, but they may secrete a liquid that could stain surfaces when threatened or crushed. You may encounter more boxelders in early spring, as they begin to leave your home.

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The reason why pests want to get inside your home over winter is so they can stay warm. The colder (and longer) the winter, the more desperate these four pests become. Believe it or not, however, you can turn that to your advantage.

Pests don’t have time to waste trying to break into a fortress this winter. If you can pestproof your place, you can keep pests away all season long. We want to help. If you have a pest problem this winter, give Griffin a call any time. We’re always happy to drive pests out of your home, no matter the time of year!

4 Fall Projects for Keeping Boxelder Bugs Away

Swarm of boxelder bugs on wood

Fall is prime time for boxelder bugs, as they try to sneak into your home to escape the winter. Every year, they show up in literal droves, congregating on warm surfaces and sneaking through tiny gaps. Unfortunately, their prevalence, tiny size, and flat bodies make boxelders a particularly common indoor infiltrator. Fortunately, they’re not nearly as difficult to keep out if you know how.

Boxelders use the same old tricks to get inside homes every year. They rely on worn-out defenses, tiny gaps, and neglected weatherproofing. If you can brush up on your home’s anti-pest defenses this fall, you’ll deprive boxelders of these tired tricks. Here are four easy projects that will seriously help keep boxelders–and other pests!–away this fall.
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Install Door Sweeps

A door sweep is a long strip of rubber or plastic that’s attached to a thin metal plank. Door sweeps essentially block the small gap between a door and its threshold without impeding the door’s function. When you shut the door, the long strip pushes into the threshold gap. As you open the door, you push the strip away from the gap. Installing door sweeps helps keep doors energy efficient. They also help with pests like boxelders.

Boxelder bugs are surprisingly flat insects. They can fit through or (in this case) under smaller gaps than you’d expect. Often, boxelders squeeze beneath the threshold of exterior doors to get into your home. Installing door sweeps on exterior doors is a particularly easy way to prevent that. All you have to do is measure the width of each door and buy sweeps in corresponding sizes. Installing your sweeps is easy too; all you’ll need is a drill and the sweep’s instructions.
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Weatherstripping

Replace Weatherstripping

Weatherstripping is material (rubber, plastic, vinyl, tape, etc.) used to seal gaps between windows or doors and their frames. All of your home’s window and door frames probably have it, even if you don’t know it’s there. Weatherstripping compresses when the window or door closes, sealing off the gap between the moving parts and the frames. If it’s working correctly, weatherstripping completely seals the window or door when closed, leaving no gap whatsoever.

Over time, weatherstripping naturally wears away. Weather and cold beat it down, and opening and shutting doors can damage it. When weatherstripping wears out, it can no longer create a perfect seal around windows or doors. Boxelders can use openings between weatherstripping and frames to get inside. Check on the weatherstripping around your doors and windows. If it comes off easily or looks worn, replace it. Sealing your window and door frames is one of the best ways you can keep all pests out.
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Seal Off Utility Lines

By utility lines, we mean plumbing pipes, gas lines, electrical wiring–any infrastructure that enters your home from outside. There are small openings all around your home where these important utility lines enter it. Unfortunately, sometimes those openings aren’t small enough. Often, pests like boxelder bugs will follow a pipe or electrical wire straight through these small gaps. From there, they could end up in the walls, the insulation, or even in your basement or attic.

It’s a good idea to know where all of your utilities enter your home. Look for plumbing, electrical, heating and cooling, and gas lines both inside and outside. If the gap between a pipe or wire and the wall looks too wide, it is. Remember: boxelders can fit through the tiniest gaps you can see. Use some heavy-duty caulk to seal up gaps around your utility lines. Rodents and other pests love following pipes inside, too, so you’ll be pest-proofing for more than just boxelders.
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Garage door seal

Replace the Garage Door Seal

A garage door seal is basically weatherstripping for your garage door. The seals are long strips of (usually) rubber that fit across the entire underside of the door. When you close the garage door, they compress into the ground, forming a complete seal between the door and ground. There are also seals on the sides and top of most garage doors. When it’s working correctly, garage door seals prevent pests from sliding beneath the door and into your garage.

Garage door seals wear out about as quickly as other weatherstripping, and for the same reasons. Luckily, they’re also about as easy to replace. If you have your garage door’s instruction manual, look up info on the seal inside of it. If you don’t, just measure the length and width of your door. You can install garage door seals yourself, or have a professional garage door installer put it on for you.

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It’s tough to keep from seeing boxelder bugs this fall. If there’s an acer tree near your property, it’s hard not to see them everywhere. Just because they’re everywhere doesn’t mean they have to be in your home, however. By performing a little maintenance like the projects listed here, you can keep boxelders out this fall and beyond.

If it turns out you need a little help keeping boxelders at bay this fall, give Griffin a call. We can make sure boxelders–or any other pests, for that matter–don’t bug you this fall.

Boxelder Bugs in Spring

Boxelder bugs in spring

When is it not boxelder season? It seems like these gross red-and-black bugs are everywhere, all the time. Around this time of year, however, you may notice they’re around even more than usual. Boxelders wake up and start moving around starting in early spring. Unfortunately, they often wake up and start moving around in your home.

But why are boxelders around your home so much this spring? Where are they coming from? What do they want? Most importantly, how can you get them to go away? Here’s everything you need to know about boxelder bugs in spring.

What they are

What boxelders bugs areEven if you don’t know boxelder bugs by name, you almost certainly know them by sight. These bugs are extremely common in the fall and spring, when they swarm around windows, porches, and door frames. Boxelder bugs are a type of “true bug” in the Hemiptera order, similar to stink bugs. Like stink bugs, they can also release a foul-smelling scent if threatened or crushed. Despite these similarities, however, boxelder bugs are not considered stink bugs.

Boxelder bugs have .5 inch long black bodies with distinctive bright red or orange ‘X’-shaped markings on their backs. They tend to congregate on warm, heat-reflecting surfaces such as windows or porches in large groups. Boxelder bugs feed almost exclusively on the flowers, leaves, and seeds of boxelder trees. These bugs enter reproductive season in mid-spring or early summer, shortly after re-emerging from winter hiding places. Homes with southern or western exposure might be particularly attractive to boxelder bugs.

Why they’re back

why boxelders return in springLike stink bugs, boxelder bugs never really leave Michigan. Instead, they overwinter in hidden, secluded places where they can survive the cold. Boxelders survive winter temperatures by bunching together and squeezing into tight nooks and crannies. They seek out warm, dark places where they can remain unnoticed and dormant for months at a time. Unlike stink bugs, they don’t fully enter diapause. During warm enough winter days, boxelders may temporarily re-emerge.

Boxelder bugs re-emerge from their winter hiding places as soon as they can survive outdoor temperatures. In other words, the boxelders you find in your home in spring were probably there all winter. Boxelders are very temperature-sensitive and crave warmth, so they’re commonly found around sunny windows and reflective surfaces. The bugs congregate in large swarms in order to keep one another warm and exchange information via pheromones. These swarms may sometimes get trapped or lost inside homes as they try to find their way out.  

What they want

what boxelder bugs wantWhen boxelder bugs re-emerge from the overwintering sites, their top priority is food. Remaining inactive for long periods is very taxing to boxelder bugs, so they need to recharge quickly. During this period, adult boxelders are usually encountered on the ground, where they eat low vegetation and fallen seeds. Boxelders seek out female acer trees for their plentiful fallen seeds and flowers. Boxelders don’t begin mating until they’ve acquired enough energy from feeding, which can take weeks.

Once boxelder bugs find their way outside and acquire sufficient energy, they usually move to a nearby acer tree outside. From there, they lay eggs, eat, and prepare to begin the whole cycle again. Like stink bugs, boxelder bugs do not eat, mate, or reproduce indoors. They only enter buildings in order to stay warm, and they’re only interested in leaving come spring. Boxelders aren’t dangerous, but their stench and sheer number can make them a serious nuisance.

What you can do

what you can do to prevent boxelder bugsThe most important thing to remember about boxelders control is that when they die, their bodies attract other pests. Don’t kill the boxelders you encounter in your home, especially if they’re in your walls. Instead, vacuum or sweep up the boxelders you encounter and dispose of them outdoors. You could also use soapy water to kill the boxelders, as long as you remove the bodies after they die. Scrub down any areas where boxelders congregated with soapy water, too.

After you’ve cleared out the existing boxelders, you have some time to make sure they don’t come back. Boxelders won’t try getting back into your home until early fall, when they need to overwinter again. Before this happens, try to find and seal off the ways they get in. Boxelders usually find cracks and crevices near window sills, door frames, and baseboards. Use caulk to re-seal these openings, and you should be able to keep boxelders from getting in next season.

 

Don’t beat yourself up for having boxelders in your home this spring. Those little pests are as tricky and resourceful as they are smelly. There’s a reason there are so many of them.

If you need a little help beating back your black-and-red nemesis, don’t hesitate to give Griffin a call today. We can drive the bugs out, seal up your home, and make sure you get back to enjoying your spring.

Pests That Wake Up in Spring

Pests that wake up in spring

The whole world seems to come back to life in spring. Unfortunately, “the whole world” includes some things we wish would stay sleeping. Along with grass, flowers, trees, and birds, a whole host of Michigan’s most annoying pests wake up every spring.

When pests wake up in spring, they’re usually hungry, thirsty, and ready to find mates. To make up for their long winters off, they tend to pursue these activities ferociously. Their single-minded pursuits make pest problems all-too-common this time every year. Here are the pests you’re bound to run into this spring, what they’re up to, and the problems they cause.

Boxelder bugs

boxelder bugsStarting in early fall, boxelder bugs go looking for dry, warm places where they can wait out the winter. Unfortunately, those dry, warm places often include our homes. When spring comes around, boxelders become active again to seek their newly rejuvenated food sources and, eventually, to reproduce. When that happens, they vacate their winter hideaways en masse. If they were hanging out in your home over winter, you’re going to run into them again this spring.

Boxelder bugs are obviously a nuisance, but luckily they’re not a dangerous one. These pests don’t bite, spread disease, eat fabrics or stored foods, or lay eggs indoors. Instead, they simply vacate the premises to seek the seeds and flowers of acer trees like the boxelder. The nuisance part comes from how many of the gross bugs you may notice vacating. Boxelder excretions and feces may also stain window ledges and other favored areas.

Stink bugs

stink bugsStink bugs follow a similar seasonal routine to boxelder bugs, and they’re around for the same reasons. During fall, they desperately seek out any warm place where they can wait out the winter. Once they’re in position, they go dormant until outdoor temperatures rise back up to survivable temperatures. Once that happens, they wake up with one thing on their mind: mating. In their mad scramble to get back outdoors, however, they tend to get lost… or stuck.

Like boxelder bugs, stink bugs don’t reproduce or nest indoors, cause disease, or bite. They do… stink, however. When threatened or crushed, stink bugs secrete a foul-smelling substance from a special scent gland. This scent smells like rotten vegetables or coriander. The more stink bugs secrete at once, the more powerful the stench. These secretions can also leave behind a dark yellow stain on carpets, furniture, or window sills.

Carpenter ants

carpenter antsDuring spring, the infamous wood-infesters come marching in to build their nests and search for water. Carpenter ant invasions tend to be the most noticeable during the start of the season. Starting in mid spring, the reproductive carpenter ant castes swarm in order to seek mates and start new colonies. After mating, queen ants seek good places to lay their eggs. These eggs hatch into workers, and the infestation begins in earnest.

Carpenter ants are a problem because they make their colony nesting grounds by boring through wood. The tunnels they carve compromise the structural integrity of wood products. Carpenter ants don’t actually eat the wood they infest. Instead, they have to hunt for sources of protein and sugar. You may find foragers in your kitchen, basement, or garden. Keep a close eye out for swarmers, in particular. If these flying ants get trapped in your home, chances are their nest is also inside your home.

Pavement ants

pavement antsUnfortunately, carpenter ants aren’t the only ants reproducing and foraging in the spring and summer. In late spring, the brief but very active pavement ant mating season begins. During this time, you may notice swarms of larger-than-average, reddish-black ants flying in large clusters. After mating, pavement ants lay eggs in tight crevices (hence their association with pavement, and the cracks in it). When young pavement ants emerge, they start looking for food almost immediately.

Pavement ants are most often encountered in groups in your kitchen. They break down and carry off all sorts of stored food, especially grains and sugars. When they find food, they tend to stick around. It’s not uncommon to find ants infesting cabinets, pantries, cupboards, and anywhere else they could find food. They’ll attack any scraps they can get their mandibles on. Unlike other pests on this list, they can stay active as long as they’re warm and they have food.

 

Spring should be a wonderful, refreshing time of year–especially after a brutal Michigan winter. Don’t let pests ruin that for you. If you need some help fighting back an infestation so you can enjoy the nice parts of spring again, give Griffin a call. We can deal with the dirty work so you can enjoy the rest.

Why Do Boxelder Bugs Come Back in Spring?

Boxelder Bug swarm on wood

Starting in early spring, boxelders re-emerge from their overwintering sites to feed and mate. The bugs re-appear so quickly every spring because they often find their overwintering sites around homes and neighborhoods. Adult boxelders begin reproducing immediately after they wake up from winter dormancy, triggering population growth all season long.

Although “boxelder season” is generally considered to be fall, you may find boxelders are equally prevalent in spring. You probably find them a little too prevalent. Unfortunately, if you have boxelders in spring, you’ll probably have them in fall… and next spring. Fortunately, you don’t have to have them in either season! By learning about why boxelders come out in spring, you can learn to keep them away from your home for good. Here’s what you should know about the other boxelder season, and what you can do about it:

boxelder bug

Why They’re Back

Technically, it would be more accurate to say they never left! During the winter, boxelder bugs sneak into the nooks and crannies of homes, where they can stay safe and warm while they hibernate. Unfortunately, boxelders are great at getting into walls, attics, basements, crawl spaces, or floorboards. Once inside, boxelders hunker down in out-of-the-way places and stay there all winter. They’re so quiet and un-intrusive, you may forget they’re there!

Unfortunately, even if you forget about them, the boxelders are still there. In spring, boxelders wake up waiting two things: food and… uh… companionship. Boxelders mate in early spring, so their offspring will be ready to survive when next winter rolls around. Thing is, boxelder bugs have to get busy to… get busy, which means they come out in force looking for places to eat and court mates. Honestly, their spring behavior isn’t all that different from ours.

Boxelder bugs entering home through a gap

Where They’re Coming From

(Cue the horror movie music) The bugs are coming from inside the house! Any adult boxelder bugs you see this spring hibernated through the winter. Unfortunately, if you see some boxelders hanging around your place, it’s probably because they spent all winter squatting. Don’t feel bad about it–it’s more common than you’d think.

Boxelder bugs exploit even the tiniest breaches in a home’s defenses. They’ll crawl through floor cracks, squeeze through insulation, or creep under gaps in a window frame. Look in dark, warm, humid, hidden spaces. You might find them under boxes, in walls or insulation, near corners, or on window frames. 

Boxelder tree seeds

What They’re Looking For

Like we said above, when boxelders wake up they’re looking for food and mates. They’re interested in food first (priorities). Boxelder bugs got their name from their affinity for boxelder trees and other trees in the acer family, but they’re not picky. They’ll will eat just about anything, especially in early spring when they’re at their hungriest. They cling to trees, leaves, developing seedlings, or low vegetation.

After mating, boxelders want to find a place to lay eggs. The best places to lay eggs are places where the newly hatched offspring will have a plentiful food source readily available. Acer trees like boxelder, ash, and maple trees satisfy every one of the boxelder home requirements, which is why they’re so particularly appealing to the lazy little bugs.

A stack of window screens

How We Can Stop Them

It’s tough to stop boxelder bugs in spring, after they’ve already infested your home or surroundings. There are a few ways you could make your yard or building less attractive to them, however. First, perform regular lawn maintenance. Mow your lawn, trim your hedges, make sure branches or leaves don’t touch the home. If you have an acer tree, clear seed droppings regularly. If your problem is really bad, you may consider having the tree removed.

Inside, you could vacuum, sweep, and clean boxelder bug-prone spaces frequently. Vacuum the bugs up directly when you encounter them. Boxelders don’t hatch eggs inside homes, so you don’t have to worry about that. Look for places where they might be getting free food and moisture. Seal up cracks in the floor, insulation, or foundation. Consider replacing window screens annually.

 

Boxelder bugs are annoying and a little distressing, but they’re not dangerous. The best way to keep them away in spring is to keep them away in fall, too. Look for ways they get in and take away the things they want, and you’ll find it’s completely possible to significantly cut down or even eliminate the boxelder presence around your home.

Finally, just remember: if you’ve tried everything and you still can’t seem to deter your red-and-black nemesis, give us a call. We’ve got plenty of experience skirmishing with the vengeful “bug from beneath the basement”, and we’re happy to play your sidekick. Have a happy spring!