On a sunny afternoon in Tacoma or Puyallup, you notice big, slow insects crawling on the siding or inside a window frame. They look a bit like stink bugs, but the shape is slightly different. Many turn out to be western conifer seed bugs. They live on pine and fir trees outdoors, then drift toward warm buildings when nights turn cold. They do not bite and they do not damage the structure, yet dozens indoors can wear on anyone's patience.
How to tell them apart from stink bugs
Western conifer seed bugs have long hind legs and a narrow, brown body. Brown marmorated stink bugs are shield shaped and more common in some neighborhoods but not every report turns out to be that species. Either way, the practical response is similar: keep them out, reduce entry points, and treat the exterior when activity is high. They overwinter in wall voids and attics, then become active again on warm days. Crushing them can leave an unpleasant smell, so many homeowners prefer to guide them back outside or vacuum them gently.
Keeping them outside where they belong
Start with mechanical fixes. Repair torn window screens, replace worn door sweeps, and seal obvious gaps around frames. Reduce outdoor lights that pull insects toward entry doors at night. Trim tree branches that rest on the roof if seed bugs are dropping onto decks and skylights from above. Professional perimeter pest control adds an exterior treatment layer during seasons when these insects congregate. It is one part of a plan, not a substitute for screens and seals. Indoor pest control programs from Sunrise Pest and Turf Management address the wider mix of ants, spiders, and seasonal invaders Pierce County homes see through the year.
When to call for help
Call when you find more than a few bugs indoors each week, when they appear in bedrooms or living spaces, or when you are not sure what species you are dealing with. Identification affects whether extra steps are needed for other pests that look similar at a glance.
Sunrise serves Tacoma, Puyallup, Lakewood, and surrounding Pierce County communities. For seasonal insect pressure on top of routine pests, explore our pest control services or call (888) 376-9109. You can also request a visit through contact and describe what you are seeing on south or west facing walls.