Scathophaga karelica Ozerov, 2013

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 : 223-224

Scathophaga karelica Ozerov, 2013

Figs 27, 82–84, 139.

karelica Ozerov, 2013: 83 ( Scathophaga ). Type-locality: Poyakonda (66.589ºN 32.828ºE) ( Russia: Karelia).

REMARK. The species is known from three males from Karelia only [ Ozerov, 2013: 83] .

DESCRIPTION. Male. Body-length 5.8–6.2 mm.

Head. Frontal vitta reddish-yellow in lower part and blackish around ocellar triangle, with delicate whitish reflection; fronto-orbital plate black, greyish dusted. Face, parafacial and gena reddish-yellow, with whitish reflection. Postcranium black. 3 orbital and 5– 6 frontal setae present. Antenna black. Postpedicel approximately 2 times as long as wide. Arista bare. Palpus yellow.

Thorax black, greyish dusted. Scutum with double brownish line down the middle, and an obscure one on each side. Acrostichals in two rows, dorsocentrals 2+3, intra-alars 1+2, supra-alars 1+2, postpronotals 2. Anepimeron covered with hairs. Scutellum black, greyish dusted, with a pair of strong basal scutellar and a pair of strong apical scutellar setae.

Legs. Coxae, trochanters, femora black, greyish dusted; tibiae and tarsi brownish. Fore femur also without conspicuous setae. Fore tibia with 2 dorsal, 2 posterodorsal, 1 posterior, 1 preapical dorsal, and 1 posterior apical setae. Mid femur with 2–5 anterodorsal setae in apical half, also with 1 preapical posterior and 1 preapical posterodorsal setae. Mid tibia with 3 posterodorsal, 2 anterodorsal, 1–2 ventral, 1–2 posterior setae and a ring of apicals. Hind femur with a row of anterodorsal setae. Hind tibia with 3 anterodorsal, 3 posterodorsal, 2–3 anteroventral, 1 preapical dorsal, 1 preapical anterodorsal, 1 apical anterior, 1 apical anteroventral, and 1 apical ventral setae.

Wing tinged with brownish; crossveins r-m and d-m not darkened.

Abdomen black, greyish dusted, covered with not long hairs. Tergites 6–8 and epandrium covered with black setae ( Fig. 139 ). Sternite 4 about 1.5 times as long as wide ( Fig. 27); sternite 5 as in Fig. 82. Surstyli very short (Figs 83, 84).

Female unknown.

NOTE. All flies were collected on stones in littoral zone of White Sea.

DISTRIBUTION. Russia: Karelia.

Figures

Figs 138–141. Scathophaga litorea (Fallén) (138), S. karelica Ozerov (139), S. apicalis (Curtis) (140) and S. multisetosa (Holmgren) (141): 138, 139 — end of male abdomen; 140, 141 — hind tibia, dorsal view. 138, 139 — after Ozerov, 2013, figs 11, 12. Рис. 138–141. Scathophaga litorea (Fallén) (138), S. karelica Ozerov (139), S. apicalis (Curtis) (140) и S. multisetosa (Holmgren) (141): 138, 139 — конец брюШка самца; 140, 141 — голень Задней ноги, сверху. 138, 139 — по Ozerov, 2013, figs 11, 12.