Grozeva, 1995 (karyotypes, male reproductive systems, trichobothria); Henry, 1997a (cladistics), 1997c (American sp.); Henry & Froeschner, 1998, 2000 (World cat.); Hsiao, 1974 (monogr.); J.A. Lis, 2007 (key Polish spp.); Péricart, 1984a (monogr.), 2001b (Palaearctic catalogue); Puton, 1881g (monogr.); Southwood & Leston, 1959 (monogr.); Stichel, 1957 (monogr.).