Scathophaga incompleta Ozerov et Krivosheina, 2020

Ozerov, A. L. & Krivosheina, M. G., 2021, A review of the genus Scathophaga Meigen, 1803 (Diptera: Scathophagidae) of Russia, Russian Entomological Journal 30 (2), pp. 201-246 : 218

Scathophaga incompleta Ozerov et Krivosheina, 2020

Figs 24, 73–75, 132 .

incompleta Ozerov, Krivosheina, 2020: 228 . Type-locality: Priyutnoe env. (46.1ºN 43.5ºE) ( Russia: Kalmykia).

REMARK. This species was recorded in Russia from Adygea, Crimea and Kalmykia [ Ozerov, Krivosheina, 2020: 228].

MATERIAL EXAMINED. Dagestan: Tushilovka (44.310ºN 46.881ºE), 12.X.1921, Ryabov (1 ♂, ZISP). See also Ozerov & Krivosheina [2020: 228] .

ADDITIONAL MATERIAL EXAMINED. Turkmenistan: Etrek (37.658ºN 54.763ºE), 2.XI.1932, Ushinskiy (1 ♂, ZISP) (first record) .

DESCRIPTION. Male. Female. Body-length 5.8– 6.6 mm.

Head. Frontal vitta yellow, with delicate whitish reflection; fronto-orbital plate blackish, densely pale grey dusted, ocellar triangle blackish. Face and gena yellow, with whitish reflection. Postcranium blackish. 3 orbital and 2–4 frontal setae present. Antenna black; postpedicel about twice as long as wide. Arista bare. Palpus yellow.

Thorax black, densely pale grey dusted; scutum with a double brownish line down the middle, and an obscure one on each side. Acrostichals setulose in two rows, dorsocentrals 2+3, intra-alars 1+(1–2) (posterior postsutural intra-alar seta small, about 0.5 times as long as anterior one or absent), supra-alars 1+2, postpronotals 2. Scutellum greyish dusted, with a pair of strong basal scutellar and a pair of strong apical scutellar setae.

Legs. All coxae black, greyish dusted. All femora greyish dusted, black, except yellow apex. All tibiae and tarsi yellow. Fore femur with whitish hairs, longer ventrally, with 4–5 dorsal setulae in apical third. Fore tibia with 2–3 dorsal, 3–4 posterodorsal, 1–2 posterior, 1 preapical posterodorsal, 1 apical posteroventral, 1 apical posterior setae. Mid femur with a row of anterodorsal setae, with 1 preapical posterodorsal and 1 preapical posterior setae. Mid tibia with 1–2 anterodorsal, 1–2 posterodorsal, 2 posterior (thin), 1 ventral (strong in female) setae, also with a ring of apicals. Hind femur with a row of dorsal/anterodorsal setae. Hind tibia with 2–3 posterodorsal, 2–3 anterodorsal, 1 preapical dorsal, 1 preapical anterodorsal and 1 apical anteroventral setae.

Wing clear; crossveins r-m and dm-cu not darkened.

Abdomen black, densely pale grey dusted, covered with whitish hairs. Tergites 2–5 in male and tergiters 2– 6 in female each with a row of marginal setae. Male sternite 4 almost twice as long as wide ( Fig. 24). Male sternite 5 with moderately long and narrow lobes, with a small projection medially between lobes ( Fig. 73). Cercal plate longer than surstyli and narrowing to a slender incurved tip ( Figs 74, 75). Aedeagus as in Fig. 132 .

DISTRIBUTION. Russia: Adygea, Crimea, Dagestan, Kalmykia. — Azerbaijan, Turkmenistan (first record).

Figures

Figs 130–137. Aedeagus of Scathophaga spp., lateral view: 130 — S. buryatica Ozerov et Krivosheina; 131 — S. decipiens (Haliday); 132 — S. incompleta Ozerov et Krivosheina; 133 — S. lapponica (Ringdahl); 134 — S. mollis (Becker); 135 — S. nigripalpis (Becker); 136 — S. obscura (Fallén); 137 — S. tinctinervis (Becker). 130 — after Ozerov & Krivosheina, 2019, fig. 2; 131, 132 — after Ozerov & Krivosheina, 2020, figs 5, 11. Рис. 130–137. Эдеагус Scathophaga spp., сбоку: 130 — S. buryatica Ozerov et Krivosheina; 131 — S. decipiens (Haliday); 132 — S. incompleta Ozerov et Krivosheina; 133 — S. lapponica (Ringdahl); 134 — S. mollis (Becker); 135 — S. nigripalpis (Becker); 136 — S. obscura (Fallén); 137 — S. tinctinervis (Becker). 130 — по Ozerov & Krivosheina, 2019, fig. 2; 131, 132 — по Ozerov & Krivosheina, 2020, figs 5, 11.