Pests may love your attic even if you don’t
Published Date 1/31/2024
Even if they could pay part of your mortgage each month, it’s doubtful you’d want mice, rats, bats, termites, or cockroaches to take up residence in your home. They’re simply not fun bedfellows.
Realtor.com’s Larissa Runkle says that now that you finally got around to putting all of your holiday decor back in the attic, you may have noticed damage done by some unwelcome houseguests. After all — it’s winter and they have to live somewhere.
“Knowing precisely what you’re dealing with can be challenging when you encounter a mess made by pests. And since most of these creatures don’t come out and introduce themselves, it might take some digging to identify the problem and solution,” says Runkle. She spoke to pest control experts about visitors most likely to camp in your attic this winter, telltale signs of common infestations, and how to mitigate the problem.
Tea and sympathy take no part in having guests like these; before you embark on any pest eradication, know that most pests carry a slew of bacteria and diseases. “Be sure to wear gloves and a mask when checking areas or dealing with a mess left behind,” says Runkle. “Clean up with a disinfectant spray or bleach solution. If you’re using a vacuum, you’ll want to make sure it has a HEPA filter to avoid making contaminants airborne.”
Pest expert Emma Grace Crumley says, “Attics can be unsafe if you don’t know how to move throughout them. If the pest entry point is on the far end of your attic or in a dangerous area, contact a professional for assistance.”
Just because Steamboat Willy Mickey Mouse lost his vaunted copyright status recently doesn’t mean you want his family to move in. Mice are among the most common unwanted houseguests, both destructive and health hazardous if their mess (and overall presence) is left untreated. Look for mice droppings (they look like muddy grains of rice), gnaw marks on electrical lines and wood, and food caches, a Terminix expert advises. You might even be able to smell mouse urine, which has the same odor as a dirty hamster cage.
Common entry points are near air-conditioning lines entering the home, through holes in brick, around hose spigots, and in expansion joint gaps. Once those are blocked, set some traps. Speaking of Mickey, believe it or not those classic snap traps shown in cartoons since the beginning of time are still the best control device on the market for mice. Slather peanut butter, chocolate, sesame paste, and hazelnut spreads. They have a rich palette and care little about fat content.
Rats? Mice on steroids. “Think bigger mess, larger droppings, and louder scampering sound,” says Runkle. “Rats will also cause significantly more damage than smaller rodents, which isn’t surprising considering the tooth marks double that of a mouse. They will readily chew through concrete and cinder blocks. Look for rub marks — black, greasy stains left behind as rodents rub against walls. Time to bring out the big guns; electronic traps are the best traps for their demise.
Bats don’t fly as slowly as they do in old Dracula movies. They’re furtive little creatures, so if a bat has chosen to make your attic its winter home, you’ll want to start by educating yourself about local regulations surrounding pollinators. In many places, you aren’t allowed to harm bats.
“It’s important to deal with bats correctly as they are beneficial creatures with a low reproductive rate,” says pest control guy Craig Sansig. “Some are threatened and even endangered.”
Common signs of bats include fluttering sounds and droppings outside an entry point to the attic. Identifying this access is vital since getting rid of bats mainly involves guiding them toward it and then sealing it shut once they’ve left.
“Install a bat cone over the exit, which allows bats to exit but not reenter,” says Sansig. Once the bats are gone, remove the bat cone and install a more permanent seal.
See a solitary dead cockroach somewhere in your attic? You can bet he’s got friends. Look for fecal stains or small, black, poppy seed-sized pellets scattered around accompanied by a musky odor. Cockroach eggs look like beans or little hard, ribbed pellets, usually attached to a corner or tight area.
This is one instance when noticing a few in the attic doesn’t mean you have an infestation. “Roaches in your attic is more of an entry point concern than an infestation concern,” says one expert. “Once unwanted entry points that let roaches into your attic are addressed, your problems should subside.”
Termites spell trouble — period. Consider calling in a professional as soon as possible. The two main types of termites are subterranean and drywood varieties.
Subterranean termites are found underground, living in the soil but able to infest a home by entering through the foundation. Once inside, they build mud tubes. Drywood termites feed on dry, non-decayed wood and can be slightly harder to recognize. Small piles of wood pellets indicate that nearby wood is infested. Seeing tiny translucent wings around your attic is another huge sign of drywood termites.
Eradicating termites is NOT a DIY job. They are rapidly destructive. Call a pest professional immediately.
Realtor, TBWS
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