Subgenus Convocheila Barkalov
Diagnosis. Face along paraface in upper 1/3 covered with long whitish or black pile (Figs 1 A–B), long as pile around ocellar triangle; eyes usually pilose (in some species without pile: C. candida Vujić et Radenković sp. n., C. paralobi and C. laticornis); face wide, with facial tubercle nose-like; frons convex; antennal pits separated; basoflagellomere rounded or ellipsoidal, dark-brown/black with reddish markings (except in some specimens of C. paralobi and C. cumanica with entirely black basoflagellomere); pile on scutum and scutellum mixed pale-yellow and black (black pile at notopleural area, at wing bases and on posterior margin of scutellum); pile on metathoracic pleuron long, whitish, and wavy apically; all legs black, except light-brown apical parts of femora, basal 1/3 and apical end of tibiae and ventral surface of tarsi; pile on legs mixed pale-yellow and black; abdomen microtrichose, predominantly covered with long pale pile (except the posterior half of lateral margins of terga 3 and 4 with black pile in some males of C. laticornis and C. hypena (Becker)) . Male genitalia: ventral lobus of gonostylus sickle-shaped (Figs 2, 4A).
In the Mediterranean area, this subgenus comprises besides the four previously mentioned species in Barkalov (2002), C. paralobi, C. cumanica, C. sulcifrons and C. laticornis, also two additional species: C. hypena and C. candida sp. n.