Himacerus apterus, known as the tree damsel bug,[1] is a species of damsel bug belonging to the family Nabidae, subfamily Nabinae.
The species is 8–10.5 millimetres (0.31–0.41 in) long for males and 9–11.5 millimetres (0.35–0.45 in) for females.[2] It has black connexivum and orange-red spots with reddish-brown wings.[1] It wingspan is 8–10 millimetres (0.31–0.39 in)
It is found in most of Europe[3] and southern and central Asia.[4] Between 1943 and 1989 the species was found in eastern Nova Scotia.[5]
The species feeds on mites, aphids and other small insects.[1]
Adults lay eggs in late summer on plant stems which hatch in spring.[4] Larvae is found from May to August.[1]
Himacerus apterus, known as the tree damsel bug, is a species of damsel bug belonging to the family Nabidae, subfamily Nabinae.