Cracks should be sealed around windows, doors, soffits, fascia boards, utility pipes and wires, etc. If you have ever been bit by one of these buggers, you're willing to try anything. Some mortality occurs at sub-freezing temperatures, although survival is enhanced within buildings and other protected locations if adequate moisture or humidity is available. This site uses Akismet to reduce spam. They crawl into cracks and crevices to overwinter. We used to have cluster flies, apparently not as hardy as these little critters that seem to have supplanted them.
It is not uncommon for tens of thousands of beetles to congregate in attics, ceilings and wall voids.
7 Super Easy Ways to Get Rid of Asian Beetles
Need to hire an exterminator? Some of the more effective insecticides used by professionals include Demand lambda cyhalothrinSuspend deltamethrinTalstar bifenthrin and Tempo cyfluthrin. A perfect place for them to multiply and hibernate. Vacuuming with a vacuum designed to capture pests such as the Atrix Bug Sucker may also help to collect beetles in your home. As awakening beetles attempt to escape to the outdoors, some inadvertently wander inward, emerging from behind baseboards, walls, attics, suspended ceilings, etc.