Chaetostrichini

Tribe Chaetostrichini

Genus Monorthochaeta Blood, 1923 View in CoL

Monorthochaeta Blood, 1923 View in CoL .

Monortochaeta Blood & Kryger, 1928 .

Diagnosis. Body black, shining. Antenna with 2 anelli, 2 strongly joined funiculars, clava 3-segmented, elongate, sharpened apically in female, short, oval, 2- or 3-segmented in male. Fore wing of female with wide blade bearing dense, irregular setation, marginal fringe about 0.1× of maximum wing width, marginal vein as long as submarginal vein or shorter, stigmal vein long, with constricted neck and rounded stigma. Male alate or apterous; if alate, the wing with scarce setation on disk and with marginal fringe longer than in female.

Distribution. Only 2 species are recorded in the world, both in Palaearctic region ( Doutt & Viggiani, 1968).

1

— Fore wing 2.5 times as long as broad ( Figs 3d, 5d). Hind basitarsus about 2.0 times longer than 2nd tarsomere ( Fig. 4d). Antennal clava of male two-segmented ( Fig. 2d). Apodemes of aedeagus long, attached to the base of phallobase ( Fig. 2g)....................................................................................................................................... M. nigra Blood Fore wing 1.9–2.2 times as long as broad ( Fig. 5e). Hind basitarsus about 1.0–1.2 times longer than 2nd tarsomere ( Fig. 4D). Antennal clava of male three-segmented ( Fig. 5c). Apodemes of aedeagus short, attached nearly to the middle of phallobase ( Fig. 4e). .................................................................................................. M. galatica Nowicki