What do bedbugs look like?


Quick Answer

Bed bugs, or cimex lectularius L., are small, brown insects that are about 3/16 to 1/4 of an inch long. They have flat bodies that are oval in shape if they have not eaten recently, and longer, rounder, more reddish bodies after they have fed.

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Full Answer

Immature bed bugs, or nymphs, are not as large, and are transparent of yellowish-white. They can be hard to see if they have not fed. Bed bug eggs are white and about the size of the head of a pin.

Bed bugs have a particular smell, which is musty and sweet. This odor comes from glands on their undersides.

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