Claustropyga acanthostyla ( Tuomikoski, 1960 )

Mohrig, Werner & Kauschke, Ellen, 2017, 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 4258 (4), pp. 301-326 : 317

Claustropyga acanthostyla ( Tuomikoski, 1960)

Literature: Hippa et al. (2003): 487, figs 2 b; 5 a‒g; Mohrig et al. (2013): 179.

New material [additional to Mohrig et al. (2013)]: 2 males, 30.iv.‒11.vi.1994, Canada, Alberta, Berland River at Hwy 40, 53.42°N, 118.20°W, pine forest, Malaise trap ; 3 males, 11.vi.‒24.vii.1994, same location, leg. E. Fuller ( PWMP, 1 male in PKHH) .

Distribution. Holarctic. Europe; Russia (South Yamal); Canada (Alberta); USA (Alaska).