Mohrig, W.; Kauschke, E.

New Black Fungus Gnats (Diptera, Sciaridae) of North America. Part III. Genera Camptochaeta Hippa & Vilkamaa, Claustropyga Hippa, Vilkamaa & Mohrig and Dichopygina Vilkamaa, Hippa & Komarova

. Zootaxa 2017, 4258, 301–326.