New Black Fungus Gnats (Diptera, Sciaridae) of North America Part I. Genus Scatopsciara Edwards, 1927 Author Mohrig, Werner Author Kauschke, Ellen text Zootaxa 2016 4150 4 401 435 journal article 10.11646/zootaxa.4150.4.3 e78916b4-b9a2-4b98-a689-b41f83ccf09b 1175-5326 267128 DB975877-03DF-4067-AE12-D978BB3E0801 Scatopsciara ( Xenopygina ) itumae sp. n. * ( Fig. 18 A–C ) Locus typicus : USA , Arizona , Pimo County , Tucson Mts. 16 Km W Tucson, 30.24°N , 111.13°W , Sonora desert. Holotype : Male , 9.–30.viii.1995 , leg. S. Prchal , Malaise trap ( PWMP ) . Paratypes : 4 males , same data ; 2 males, 15.–30.viii.1995 , 1 male, 28.ix.–7.x.1995 , 1 male , 30.iv.–16.v.1995 , same location, leg. S. Prchal ( PWMP , 1 male in PKHH , 1 male in MZH ) . Description . Male. Head . Eye bridge 3 facets wide. 4th flagellomere with l/w-index of 2.0, haired as long as wide, brownish; neck rather long. Palpus 3-segmented, short; basal segment without deepened sensory area and one bristle only. Thorax . Brown; scutum haired brown. Wings pale; R1 = 2/3 R; c somewhat longer ½ w; y = x, bare; posterior veins bare. Haltere short, brownish. Legs yellowish-brown; tibial organ comb-like; middle and hind tibiae with long, but somewhat unequal spurs; claws toothless. Abdomen . Brown, haired brownish. Hypopygium brown, ventral base v-shaped. Gonocoxites longer than gonostylus, inner ventral margin haired short and densely. Gonostylus slender, weakly curved, without tooth but with 4 spines, two at the apex and two longer ones, positioned as pair subapically. Tegmen simple, somewhat trapezoid. Body size: 2.2 mm . Comments . The species is well characterized by the two pairs of spines on gonostylus. It might however be mistaken with small species of Bradysia , where spurs of the middle and hind tibiae are slightly different in length. Short palpus, short R1 and a small tibial organ support strongly its inclusion in the genus Scatopsciara however. The species is similar to Sc. subitumae . The species belongs to the Sc. inesae group. Distribution . USA ( Arizona ). *Ituma = white stone, Choktaw.