Gonatopus borealis

Description

The adult G. clavipes is between 2.5 and 3.5 millimetres (0.10 and 0.14 in) long. Males are winged but females are wingless. The maxillary palps have 4 to 5 joints. The body is black and parts of the head and pedicel are yellowish. The proximal ends of the leg joints are yellowish-brown and the distal parts brownish-black. The legs have short bristles on the inside and end in a claw.The front pair of legs are modified into chelae for gripping prey, although in this species, the chelae are relatively small.