Pacific Northwest Insect Management Handbook
Nuisance and household pests-Grass weevil
There are a number of broad-nosed weevils including grass weevils and root weevils like Otiorhynchus raucus that invade homes in the spring and fall seasons. Adult size is about 1/4-inch long.
M. R. Bush, WA State University
Pest description and damage Small, light-color insects that migrate into dwellings. Usually a problem in the fall and early spring.
Grass weevils are difficult to control with chemicals. Dispose of beetles by vacuuming or sweeping.