Fedotova & Perkovsky 2011. Gall midges of the supertribe Stomatosematidi (Diptera, Cecidomyiidae) in Palaearctic with descriptions of new taxa from the Late Eocene Rovno amber. 2. The genera Didactylomyia and Rovnodidactylomyia gen. n. Zoologicheskii Zhurnal, 90(11), Noyabr 2011: 1374-1384