Scatopsciara (Xenopygina) inesae, Mohrig, Werner & Kauschke, Ellen, 2016

Mohrig, Werner & Kauschke, Ellen, 2016, New Black Fungus Gnats (Diptera, Sciaridae) of North America Part I. Genus Scatopsciara Edwards, 1927, Zootaxa 4150 (4), pp. 401-435 : 420-421

Scatopsciara (Xenopygina) inesae sp. n. *

( Fig. 15 A–B )

Locus typicus: USA, Texas, Houston, suburban settlement. Holotype: Male , 15.ii.1996, leg. I. Eue, yellow trap ( PWMP) . Paratypes: 1 male, same data ; 3 males, 27.ii.1996, Houston, open oak forest, yellow trap, all leg. I. Eue; 1 male, 13.–22.ix.1993, leg. N. McFarland, Arizona, Cochise County, Huachuca Mts., Ash Canyon Road, 31.39°N, 111.24°W, oak-pine woodland, 5100 ft., Malaise trap; 1 male, 22.–31.x.1993, same location ; 6 males, 13.– 19.iv.1996, USA, California, Los Angeles County, San Gabriel Canyon , maple, 800 m, yellow trap, leg. W. Mohrig ; 8 males, 4.–9.iii.1996; 1 male, 7.–13.iv.1996; 1 male, 29.ii.1996, leg. W. Mohrig, caught by net, same location ; 3 males, 26.ii.–1.iii.1996, Los Angeles City, Griffith Park, yellow trap, leg. W. Mohrig; (PWMP, 2 males in PKHH, 1 male SDEI, 1 male MZH).

Further material: 16 males, 4.–9.iii.1996; 4 males, 7.–13.iv.1996; 1 male, 13.–17.iv.1996, yellow trap; 2 males, 29.ii.1996, leg. W. Mohrig, caught by net, USA, California, Los Angeles County, San Gabriel Canyon , maple, 800 m ; 1 male, 26.ii.–1.iii.1996, leg. W. Mohrig, Los Angeles, Griffith Park, yellow trap; 3 males, 13.– 22.ix.1993; 1 male, 5.–30.viii.1993, leg. N. McFarland, Arizona, Cochise County, Huachuca Mts., Ash Canyon Road, 31.39°N, 111.24°W, oak-pine woodland, 5100 ft., Malaise trap; 1 male, 9.–30.viii.1995, leg. S. Prchal, USA, Arizona, Pima County, Tucson Mountains , 16 km W Tucson, 32.24°N . 111.13°W, Sonora desert, Malaise trap (PWMP).

Description. Male. Head. Eye bridge 3–4 facets wide. 4th flagellomere with l/w-index 2, haired as long as wide, brownish. Palpus 3-segmented, short; basal segment without deepened sensory pit, with 2 bristles. Thorax. Brown; scutum haired brown, with longer praescutellar and lateral bristles. Wings pale; R1: R = 0.7; c = 2/3 w; posterior veins bare. Haltere short, brown. Legs brownish; tibial organ of fore tibia small, comb-like, with 5–6 bristles on a small lobe; spurs of middle and hind tibiae with long, but somewhat unequally long spurs; claws toothless. Abdomen. Brown, haired brownish. Hypopygium brown, ventral base nearly closed; gonocoxites longer than gonostylus, inner ventral margin haired short and sparsely. Gonostylus bulbously, without apical tooth, with 2 curved apical spines. Tegmen large, trapezoid. Body size: 2.2 mm.

Comments. The species is characterized by gonostylus without apical tooth but with two slightly curved apical spines only.

Distribution. USA (Texas, Arizona, California).

*The species is named in honor of our friend and former colleague Dr. Ines Eue, working at the University of Texas, Houston from 1995 to1997.

Figures

FIGURE 15. A – B. Scatopsciara (Xe.) inesae sp. n. Holotype. A. Hypopygium, ventral view. B. 4 th flagellomere. C. Scatopsciara ventrospinula Mohrig & Mamaev. Specimen from USA (Arizona). Part of hypopygium.