Scathophaga decipiens (Haliday, 1832)

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 : 212

Scathophaga decipiens (Haliday in Curtis, 1832)

Figs 20, 61–63, 131.

decipiens Haliday in Curtis, 1832: 266 ( Scatophaga ). Type-localities: “ Ireland,... England ”.

fluvialis Rondani, 1866: 28, 29; 1867: 113 ( Scatina ). Type-locality: not given [ Italia: Parma].

REMARKS. This species was recorded in Russia from Crimea and Rostov Oblast by Ozerov & Krivosheina [2020: 228]. Noted from south of European part by Gorodkov [1970: 453, 1986: 31] without specifying the place of collecting.

MATERIAL EXAMINED. Crimea: Kerch env. (45.353ºN 36.445ºE), 10 and 30.VI.1901, 14.V.1903, Kirichenko (1 ♂, 2 ♀♀, ZMUM). See also Ozerov & Krivosheina [2020: 228] .

DESCRIPTION. Male. Female. Body-length 5.8– 6.3 mm.

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

Thorax black, densely greyish dusted. Acrostichals not differentiated from the other hairs on scutum, dorsocentrals 2+3, intra-alars 1+2, supra-alars 1+2, postpronotals 2. Anepimeron bare. 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 covered with whitish hairs, with 3–4 dorsal setae or setulae in apical third. Fore tibia with 2 dorsal, 2 posterior, 2–4 posterodorsal, 1 preapical anterodorsal, and 1 posterior apical setae. Mid femur with a row of anterior setae, 1 preapical posterior and 1 preapical posterodorsal setae. Mid tibia with 1–2 anterodorsal, 1–2 posterodorsal, 0–1 anteroventral, 0–1 ventral setae, also with a ring of apicals. Hind femur with a row of anterodorsal setae. Hind tibia with 2 posterodorsal, 3 anterodorsal, 1 preapical dorsal, 1 preapical anterodorsal and 1 apical anteroventral setae.

Wing clear; crossveins r-m and d-m not darkened.

Abdomen black, densely pale grey dusted, covered with short whitish hairs. Tergites 2–5 in male and tergiters 2–6 in female each with a row of marginal setae. Male sternite 4 about twice as long as wide ( Fig. 20). Male sternite 5 with long narrow lobes (Fig. 61). Cercal plate longer than surstyli (Figs 62, 63). Aedeagus as in Fig.131 .

DISTRIBUTION. Russia: Crimea and Rostov Oblast. — Europe, North Africa [ Šifner, 2008: 157, 158].

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.