When the weather starts to turn cold, four common insect invaders may show up uninvited in your home. None of them breed in the house or cause any damage to humans, pets, food items or structures.

Above: lady beetles are being released into Purdue greenhouses as a biological control agent. Photo by Purdue University. Some insects are pests, but not all insects are bad. Overwhelmingly, the ...

With increasing concerns about bedbugs, the number of insects brought into Extension offices for identification has increased. Only a few bedbugs have been brought into my office this past year. Some ...

John E. Woodmansee Photo: Tobacco hornworm on a tomato plant that has been attacked by a parasitic Braconid wasp. The white capsules on its back are the pupal stage of the tiny wasp. Braconid larvae ...