Bed bug

Found indoors, primarily hiding in mattresses, box springs, bed frames, and cracks in furniture near sleeping areas.

Obligate hematophage that feeds exclusively on the blood of humans and other warm-blooded animals.

Nocturnal and highly secretive, emerging primarily at night to pierce skin and feed painlessly before retreating to dark harborages.

Causes itchy, irritating welts and severe psychological stress, but transmits no known human pathogens. They provide no known ecological benefits.