A New Species of Dolichopus from North Carolina (Diptera: Dolichopodidae)

Extract

The species described below is closely related to Dolichopus dorycerus Loew, 1864, but differs in both sexes in the colour of the lower orbital cilia and, in the male, in many details of the secondary sexual characters.

Dolichopus phyllocerus, new species

Male.–Length 6.3 mm.; wing length 6.2 mm. Face long, narrow, slightly broadened above, pale golden-brown, silvery below. Front metallic copper or coppery-green. Antenna (Fig. 1b) with first two segments yellow, the third black with about basal third yelllow; first segment of normal length; second very short, especially on lateral surface where it is scarcely visible; third short, broad, blunt. Arista black, about 21/2 times as long as rest of antenna, very slender, with a broad, blunt apical lamella. Lateral and lower orbital cilia yellow, upper cilia black.