Himacerus apterusHimacerus apterus, known as the tree damsel bug, is a species of damsel bug belonging to the family Nabidae, subfamily Nabinae.DescriptionThe species is long for males and for females. It has black connexivum and orange-red spots with reddish-brown wings. It wingspan isDistributionIt is found in most of Europe and southern and central Asia. Between 1943 and 1989 the species was found in eastern Nova Scotia.DietThe species feeds on mites, aphids and other small insects.EcologyAdults lay eggs in late summer on plant stems which hatch in spring. Larvae are found from May to August.