You share your home with more than pets, partners, roommates, or family. Despite our best efforts to willfully ignore or scour away their presence, there are many other lives in our homes. Many are arthropods that are residents, or nearly so, like Giant House Spiders, and others are only part-time houseguests. I’ll never forget slumbering by the fire one fall only to wake to the stings of the yellowjackets that had nested inside our previously smoke free chimney.
Others are more benign, like stink bugs, which you might have noticed crouched on the edges of your home this fall.
In particular, I have noticed one species a lot more this year: the Brown Marmorated Stink Bug, Halyomorpha halys.
A native of China, Japan, and Korea these insects were first documented in the U.S. in Allentown, Pennsylvania in 1998 and had spread across the country to the Pacific Northwest by 2004. I can’t quite remember when I first noticed one of them (sometime post 2017 when they showed up in King County), but it was definitely in the fall when they had started to move indoors. Continue reading