
Bed Bug Bites: Signs, Lookalikes, and What to Do
Bed bug bites may appear as small, itchy, red or swollen marks on exposed skin, sometimes grouped or roughly linear.
A skin mark alone cannot identify bed bugs. Compare several physical clues, document or capture a specimen safely, and seek confirmation from an experienced pest professional or local extension resource. Persistent or reacting bites belong with a clinician.

Bed bug bites may appear as small, itchy, red or swollen marks on exposed skin, sometimes grouped or roughly linear.

Bed bug eggs are tiny, pale, oval objects attached to surfaces in protected seams, joints, cracks and crevices near places where people sleep or rest.

Bed bug fecal marks are usually tiny dark reddish, brown or black spots or smears made from digested blood; EPA says they may bleed into fabric like…

The bed bug life cycle runs from an approximately 1 mm egg through five nymphal stages to adult.

Bugs commonly mistaken for bed bugs include bat bugs, carpet beetles, cockroach nymphs, booklice, spider beetles, fleas and ticks.

Signs of bed bugs include a live adult or nymph, pearl-white eggs or eggshells, pale shed skins, dark fecal spots that may bleed into fabric like marker…

Adult bed bugs are about 5–7 mm long, brown to reddish-brown, six-legged, wingless, and broadly oval with a flat body when unfed.

Bed bugs usually hide in narrow, protected spaces close to where people sleep or rest: mattress and box-spring seams, bed-frame and headboard cracks,…