Outdoor Pest Control

A house mouse can pass through an opening about the diameter of a pencil, roughly a quarter inch. That is far smaller than the hole most people imagine when they walk the outside of a house looking for the way in. They look for something they could put a finger through, find nothing, and decide … Read more

The first sign is usually one fly on a sunny window in early fall. It’s a little larger than a house fly and slow enough to pick up with a tissue. It seems drawn to the glass, not to anything on the kitchen counter. A week later there are five. By midwinter, a few dozen … Read more

A stink bug on the living room wall in October is rarely a one-off. Brown marmorated stink bugs (Halyomorpha halys) spend summer feeding on fruit, vegetables, and ornamental plants. When days shorten and nights cool, adults look for a sheltered place to wait out winter, and a house with warm south- and west-facing walls and … Read more

The slugs you can see in October are not the real problem. The real problem is small clusters of pearly, translucent eggs being laid right now in damp soil, under pots, along the edges of boards, and beneath whatever has been sitting on the ground since summer. A gardener who puts out a few traps … Read more

Brush a tomato or hibiscus branch and a small cloud of white specks lifts off the leaves, circles for a few seconds, and settles back down. That is usually how people first notice whiteflies. By then the insects have often been feeding for weeks. Adults are only about 1/16 inch (1.5 to 2 mm) long, … Read more

You pull back the shower curtain and a long-legged spider is sitting in the tub. A web stretches across the garage door that wasn’t there on Friday. Then a large, fast brown spider crosses the living room floor at nine at night, and it’s the third one this week. The cause is usually less alarming … Read more

Small black flies drift up from a pot when you water it. They land on the window, crawl across the saucer, and end up in your coffee. Most people respond by swatting the adults, and a week later there are just as many. The flies you can see are the smallest part of the problem. … Read more