New Black Fungus Gnats (Diptera, Sciaridae) of North America. Part IV. Genera Eugnoriste Coquillett and Keilbachia Mohrig Author Kauschke, Ellen text Zootaxa 2017 2017-11-11 4319 1 53 76 journal article 32139 10.11646/zootaxa.4319.1.3 4c53e97d-685a-445a-b6c9-c8db8c264d5d 1175-5326 888597 Bc01A8D7-6Bd7-4409-Bddc-E6Ebfd3C6E64 Genus Eugnoriste Coquillett, 1896 Type speCies: Eugnoriste occidentalis Coquillett, 1896 [Coquillett (1896): 321–322; Fig. 24]. Literature: Steffan (1981) : 251; Menzel & Mohrig (2000) : 703–704; Mohrig et al . (2013) : 203–204. Diagnosis. A very long mouth part IS typIcal for the genuS Eugnoriste In both SeXeS. However, the hypopygIum reSembleS that of many SpecIeS of Pseudolycoriella Menzel & MohrIg by havIng two apIcal SpIneS, combIned wIth a long whIplaSh haIr. Some SpecIeS of Pseudolycoriella have an elongated mouth part aS well, but not to that eXtreme. SpecIeS of Eugnoriste dIffer from thoSe of Pseudolycoriella by havIng a concaved Inner SIde of the gonoStyluS, a bIlobated 9th SternIte, rowS of denSe, brIStle-lIke haIrS on the dIStal abdomInal tergIteS and C beIng Shorter 1/2 w. The SouthweStern StateS of the USA Seem to be the center of radIatIon of the genuS although a few SpecIeS are dIStrIbuted In Central AmerIca aS well.