Fratevylaeus, Pesenko, 2007

Pesenko, Yuri A., 2007, Subgeneric classification of the Palaearctic bees of the genus Evylaeus Robertson (Hymenoptera: Halictidae), Zootaxa 1500 (1), pp. 1-54 : 7

9 (8). Male: antenna long, reaching T1 or T2; mesoscutum usually densely shagreened, matt; T7 with long hairs; gonostylus elongate, 2–4 times as long as wide. Female: propodeum long, its dorsal surface as long as or longer than scutellum; metapostnotum trapezoid, with well marked borders, with sparse and coarse wrinkles, mostly oriented longitudinally .................................... 7. Fratevylaeus subg. n.

– Male: antenna shorter; mesoscutum punctate, shiny at least on posterior half; T7 with short hairs; gonostylus short, about as long as wide (except for E. edessae of subgenus Pauxevylaeus , the gonostylus of which is very long), directed backward in relation to gonocoxite. Female: propodeum shorter, metapostnotum rather semilunate, densely rugulose .......................................................... 10