As temperatures drop and seasonal moisture returns to California, some pests may seek shelter or overwintering sites within homes and other structures. These seasonal nuisance pests (or “occasional invaders”) can cause concern in residents and may lead to unnecessary, ineffective, and potentially harmful pesticide applications, both inside and out. Be prepared to educate your customers about nonchemical exclusion tools, materials, and techniques that can prevent pest entry over the long term, helping to reduce pesticide use around our homes and environment.

Pests invade homes for varying reasons during autumn and winter. Common outdoor species such as