kk. R4+5 bristly at least nearly half way to the small crossvein; sternopleurals 1:1.
l. Macrochætæ of the abdomen marginal; neither sex with orbitals; no carina between the base of the antennæ; three pairs of presutural inner dorsocentrals. Eastern hemisphere. T. ferruginea. Tricyclea V. d. W. (= Zonochroa B. B. according to Villeneuve 1914).
ll. Abdomen without macrochætæ; wing usually with a marginal streak and gray markings. Brazil Hemilucilia B. B.
