Roll over the image to learn more about common household and building pests.

Private: Fleas
Adult Fleas are 1/16 – 1/8 inch long and dark brown with compressed bodies; their back legs are modified for
Private: Sowbug
Sowbugs are oval, gray insects about 1/2 inch long; they have seven pairs of legs. The related pillbug looks very
Private: Brownbanded Cockroaches
Adult brownbanded cockroaches are approximately 1/2 long. Their bodies are golden brown with pale brown horizontal bands that run across
Private: American Cockroaches
The American cockroach is a large, reddish-brown species ranging from 1 1/2 – 2 inches long. Adults are weak flyers
Private: German Cockroaches
Adult German cockroaches are medium brown and approximately 1/2 inch long. They are distinguished from other roaches by two dark,
Private: Oriental Cockroaches
Oriental cockroaches are approximately 1 1/4 inches long and are dark brown to shiny black. They do not fly. The
Private: Asian Lady Beetles
Asian lady beetles are small, round insects less than 1/2 inch long. They vary from red to yellow, with or
Private: Bed Bugs
Bed bugs are approximately 1/4 inch in length, reddish-brown, with flattened, oval bodies. The Common bed bug emerges at night
Private: Springtail
Springtails are tiny, white or gray insects approximately 5/100 inch long. They have a forked appendage at the rear of
Private: Baldfaced Hornet
The baldfaced hornet is 3/4 inch long, with black and white markings including a white face. Its nest are papery
Private: Bumble Bee
Bumble bees are 1/2 – 1 inch long, hairy, yellow and black insects that nest in the ground. Colony size
Private: Carpenter Bee
Carpenter bees are solitary insects. They resemble bumble bees but have a shiny black abdomen. Carpenter bees excavate galleries in
Private: European Hornet
The European hornet is almost 1 1/2 inches long. It is brown with dull reddish stripes. The European hornet is
Private: Honey Bee
Honey bees are 1/2 inch long, hairy, and golden brown and black. Their colonies, unlike those of other bees and
Private: Yellow Jacket
Yellowjackets are a stinging pest whose colonies can include several thousand individual by late summer. Yellowjackets are boldly marked in
Private: Paper Wasp
Paper wasps are typically 3/4 inch long and reddish-brown. They build umbrella nesta with hexagonal cells open at one end.
Private: Mud Dauber
Mud daubers are slender, solitary wasp about 3/4 inch long. One common species is a dark brown with yellow markings.
Private: Cicada Killer
Cicada killers, a species of digger wasp, are large, solitary insects approximately 1 1/2 inches long. They are predominantly black
Private: Brown Recluse Spiders
The brown recluse spider is light brown with a distictive fiddle-shaped mark on its back. It is a long legged
Private: Black Widow Spiders
The adult female black widow spider is readily identified by her shiny black color and rounded abdomen with a red
Private: Yellow Sac Spiders
Yellow Sac spiders are small, with a body size of approximately 3/8 inch and front legs that are noticeably longer
Private: Wolf Spiders
Wolf Spiders are large, hairy spiders almost an inch long. They are colored in various patterns of gray, brown, and
Private: Cellar Spiders
Cellar spiders are pale with long slender legs. Their body length is about 1/4. They spin irregular-shaped webs in dark,

Source: Purdue University – Purdue Extension PPP-7A Category 7A Industrial, Institutional, Structural and Health Related Pest Management. Indiana Commercial Pesticide Applicator Training Manual. Purdue Agriculture Rev 7/10