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 ( Scatopsciara ) subgrossa sp. n. ( Figs. 6 A–C ) Locus typicus : USA , Texas , Sam Houston National Forest , 60 mi N Houston , Tanyard Road , mixed forest. Holotype : Male , 3.–6.xi.1996 , leg. W. Mohrig , yellow trap ( PWMP ). FIGURE 6 . A–C . Scatopsciara ( S c.) subgrossa sp. n. Holotype. A . Hypopygium, ventral view. B . Flagellomeres 3–4. C . Apex of fore tibia. FIGURE 7 . A–B . Scatopsciara ( Sc. ) tricuspidatula sp. n. Holotype. A . Hypopygium, ventral view. B . Flagellomeres 4–5. C– D . Scatopsciara ( Sc. ) atomaria (Zetterstedt) . Specimen from USA. C . Hypopygium, ventral view. D . Flagellomeres 3–5. FIGURE 8 . A . Scatopsciara ( Sc. ) nana (Winnertz) . European specimen. Part of hypopygium. B . Scatopsciara ( Sc. ) vitripennis (Meigen) . Specimen from USA (Alaska). Part of hypopygium. C–E . Scatopsciara ( Sc. ) acuta (Johannsen) . Specimen from Russia (Siberia). C . Hypopygium, ventral view. D . 4th flagellomere. E . Apex of fore tibia. Description . Male. Head . Brown. Eye bridge 2 facets wide. 4th flagellomere with l/w-index 2.4, haired as long as wide, neck rather long. Palpus short, 3-segmented, basal segment with sensory pit and 1 bristle. Thorax . Brown. Scutum haired brownish and short, a few lateral bristles longer; scutellum with two longer marginal bristles. Wings pale; R1 short, = 1/3 R; c long, = 2/3 w; y = x, without macrotrichia; posterior veins without macrotrichia. Haltere short, brownish. Coxae yellowish; legs brownish; tibial organ with 4–5 brownish bristles, comb-like; claws toothless. Abdomen . Brownish, haired short and brownish. Hypopygium brown; gonocoxites longer than gonostylus, inner ventral margin haired short and sparsely; intergonocoxal space broadly open. Gonostylus curved strongly, basally broad, with a rather long apical tooth and 2 somewhat shorter subapical spines. Tegmen wide, with large teeth; aedeagus rather long with a long basal furca. Body size: 1.8 mm . Comments . The species is characterized by strongly curved gonostylus with a long apical tooth and two somewhat shorter subapical spines. It is similar to Sc. curviforceps (Bukowski & Lengersdorf) . It differs by longer flagellomeres, a stronger gonostylus, a broad intergonocoxal space and yellowish coxae. It belongs to the Sc. atomaria group. Distribution . USA ( Texas ).