Reference
Alexandr M. Tereshkin (2015): A detailed illustrated description of Palearctic species
Magwengiella (=Listrocalus) nycthemerops (HEINRICH, 1978).
Notes on transformation of pigmental coloration of type
specimens (Hymenoptera, Ichneumonidae, Ichneumoninae,
Ctenocalini) – Linzer biologische Beiträge – 0047_2: 1897 - 1907.