B. Lis, 1999a (phyl.), 1999b (key Polish spp.); V. Golub, 2001 (phyl.); N.V. Golub et al., 2022 (cytogenetics); Guilbert, 2001 (phyl., exaggerated traits); Langley et al., 2020 (mtDNA, phyl.); Lee, 1969 (larvae, male genitalia); Qi & Z.J. Zhang, 2001 (phyl.); Livingstone & Livingstone, 2006 (larval chaetotaxy, phyl.); Schuh et al., 2006 (morph., phyl.); Štusák, 1957a (eggs).