Leptomorphus subforcipatus, Zaitzev & Sevcik, 2002

Zaitzev, AI & Sevcik, J, 2002, A Review Of The Palaearctic Species Of The Leptomorphus Quadrimaculatus (Matsumura) Group (Diptera: Mycetophilidae), Acta Zoologica Academiae Scientiarum Hungaricae 48 (3), pp. 203-211 : 208-210

Leptomorphus subforcipatus sp. n.

( Figs 2, 6 , 9 , 13 )

Leptomorphus forcipatus, KRIVOSHEINA, ZAITZEV, YAKOVLEV, 1986 , fig. 36, 6;

Leptomorphus quadrimaculatus, ZAITZEV, 1994 (part), fig. 54, 4; Zaitzev, 1999, fig. 99, 5.

Material examined. Holotype m: Russia, Moscow Reg., Pavlovskaya Sloboda , 10.VII.1982, Zaitzev leg. (IEE) . Paratypes. Russia: 4 mm, 1 f, with the same data; 3 mm, Moscow Prov., Ovrazhki , 30.VII.1984, Zaitzev leg. ; 1 m, Moscow Reg., Anikeevka , 15.IX.1982, Zaitzev leg. ; 1 m, Kostroma Prov., Ugory , 8.IX.1981, Zaitzev leg. ; 1 m, Karelia, Tolvoyarvi , 29. VI –2.VII.1998, Tietäväinen leg. ; Finland, 1 m, Ilomantsi, Tapionaho , 7–28.VII. 1993, Yakovlev leg. (IEE).

Description. Male. Head dark brown, clypeus light brown or yellow, palpus yellow; antenna dark brown, scapus and pedicel yellow, sixth flagellar segment twice as long as broad. Thorax two-coloured, mesonotum shining dark brown with yellow hind corners, scutellum brown, mediotergite yellow with brown central area, laterotergite yellowish brown. Wing length 6–8 mm, wing with dark tral view); 14 = female terminalia (lateral view)

central spot, extending from Sc to stem of M fork, preapical band extending from Sc to stem of M fork, preapical band extending back to wing margin, clouds present also between branches of Cu fork and behind Cu2, stem of M fork 2.5 times as long as rm, base of Cu fork before base of rm. Halteres with brownish knobs. Legs yellow, first tarsomere 1.5 times as long as fore tibia, fore tibia with 9–10 a, 4–6 d, 5 pd, 7–8 p, 5–9 pv, numerous v, arranged in 2 irregular rows; mid tibia with 9–12 a, 6 d, 7–11 pd, 9–10 p, 3–5 pv, 4–7 v; hind tibia with 9–14 a, 11–13 d, 12–13 pd, 11–12 p, 7 v, 4–7 av. Abdomen brown. Terminalia yellowish brown.

Female. Similar to male in coloration. Ovipositor yellow.

Remark. This species is very close to L. quadrimaculatus (MATSUMURA) , from which it differs in the coloration of thorax and in the shape of gonostylus.

Figures

Figs 1–6. Leptomorphus WALK.: 1, 3 – L.quadrimaculatus (Russia, Lazo); 2, 6 – L.subforcipatus sp. n. (holotype); 4, 5 – L. talyshensis sp. n. (holotype): 1, 4, 6 = male terminalia (dorsal view); 2, 3, 5 =

Figs 7–10. Leptomorphus WALK.: 7, 10 – L. forcipatus (Czech Republic, Šilheřovice); 8 – L.quadrimaculatus (Russia, Lazo); 9 – L. subforcipatus sp. n. (Russia, Moscow region): 7 = male terminalia

Figs 11–14. Leptomorphus WALK.: 11, 14 – L. talyshensis sp. n. (paratype); 12 – L. quadrimaculatus (Russia, Lazo); 13 – L.subforcipatus sp.n. (Russia, Moscow region):11–13 = female sternite 8 (ven-