Neotrichoma Mathis & Zatwarnicki 2012

Minute to small to moderately small shore flies, body length 0.85–1.45 mm. Head: Frons mostly unicolorous, at most with narrow, anterior fronto-orbits slightly lighter in color, lacking distinctively colored ocellar triangle; pseudopostocellar setae subequal in length to ocellar setae. Pedicel with well-developed, proclinate, dorsal seta. Facial coloration sexually dimorphic, males unicolorous and darker; face with dorsal 2/3 between antennal grooves shallowly carinate, becoming more prominent ventrad of facial grooves, slightly tuberculate; clypeus mostly bare, black, subshiny; palpus blackish. Thorax: Mesonotum generally dark brown; chaetotaxy generally well developed; prescutellar acrostichal setae much larger than other acrostichal setae and more widely set apart; presutural supra-alar seta well developed, length subequal to notopleural setae; katepisternum with 2 setae, 2nd seta smaller and inserted below larger seta. Wing mostly milky white; veins behind costa brownish; alular marginal setulae short, less than 1/2 alular height. Legs: tibiae dark, concolorous with femora. Abdomen: 5th tergite of male short, about 1/2 length of 4th tergite; 5th sternite unmodified. Male terminalia: cerci normally developed, not extended ventrally beyond ventral margin of epandrium; aedeagus and phallapodeme attached.