Scathophaga calida

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 : 208

Scathophaga calida (Haliday in Curtis, 1832)

Figs 16, 49–51.

calida Haliday in Curtis, 1832: 405 ( Scatophaga ). Type-locality: “ Ireland ”.

rudis Haliday in Curtis, 1832: 405 ( Scatophaga ). Type-locality: “ Ireland ”.

villipes Zetterstedt, 1846: 1977 ( Scatomyza ). Type-localities: “inferalpinis maritimis Finmarkiae occidentalis Norwegiae ... ad Bossekop.” ( Finland, Norway).

REMARK. The species was registered for Russia from coasts of Kola Peninsula and White Sea [ Gorodkov, 1970: 451, 1986: 30].

MATERIAL EXAMINED. Arkhangelsk Oblast: Solovetskie Islands , Bol’shoy Solovetsky I. (65.090ºN 35.639ºE), 17.VIII.1963 (1 ♀, ZISP) ; Murmansk Oblast: Aleksandrovsk [= Polyarny] (69.198ºN 33.456ºE), 14. VI.1921, Zhelokhovtsev (3 ♂♂, 3 ♀♀, ZMUM) ; same place, 14–15.IX.1928, Cheburova (11 ♂♂, 8 ♀♀, ZISP) ; Dal’nie Zelentsy (69.117ºN 36.065ºE), 6.VIII.1981, Gorodkov (1 ♂, ZMUM) ; Kil’din I. (69.347ºN 34.168ºE), 27.IX.1928, Cheburova (5 ♂♂, 3 ♀♀, ZISP) ; Porchnikha (69.078ºN 36.291ºE), 7–8.VIII.1928, Rezvoy (8 ♂♂, 4 ♀♀, ZISP) ; Ryazhkov I. (67.017ºN 32.556ºE), 19.VII.1981, Komarova (1 ♀, ZMUM) ; same place, 5.VII.1981, Oskol’sky (1 ♀, ZMUM) ; same place, 12. VI.1992, E. V. Shutova (2 ♂♂, 1 ♀, ZMUM) ; Sosnovka (66.507ºN 40.583ºE), 23.VIII.1981, Gorodkov (10 ♂♂, ZISP) ; Teriberka (69.164ºN 35.14ºE), 3.VII.2008, V. Semenov (2 ♂♂, ZMUM) ; Yagodny I. (66.769ºN 32.069ºE), 12. VI.1992, E. V. Shutova (16 ♂♂, 1 ♀, ZMUM) .

DESCRIPTION. Male. Female. Body-length 4.8– 8.2 mm.

Head. Frontal vitta reddish-orange, with delicate whitish reflection; fronto-orbital plate black, greyish dusted. Ocellar triangle black. Face, parafacial and gena reddish-orange, with whitish reflection. Postcranium black. 3–5 orbital and 5–7 frontal setae present. Scapus and pedicel dark reddish-orange. Postpedicel black, approximately 2 times as long as wide. Arista bare. Palpus yellow.

Thorax black, densely greyish dusted, with dark stripes and fuzzy spots on scutum and scutellum. Acrostichals in two rows, dorsocentrals (3–4)+4, intra-alars 1+3, 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, also with a pair of discal setulae.

Legs densely greyish dusted. All coxae black; all femora usually black, except yellow apex and base or black completely; all tibiae and tarsi yellow. Male legs covered with dense, long hairs, as a rule, without conspicuous setae, except one posteroventral seta on mid tibia and apical setae on mid and hind tibiae. Female: fore femur also without conspicuous setae; fore tibia with 1 anterodorsal, 1 dorsal, 1 posterior, 1 preapical dorsal, and 1 posterior apical setae; mid femur with irregular row of anterodorsal setae, also with 1 preapical posterior and 1 preapical posterodorsal setae; mid tibia with 2 posterodorsal, 2 anterodorsal, 2 anteroventral, 1 posteroventral, 1 ventral, 1 posterior setae and a ring of apicals; hind femur with rows of anterodorsal and anteroventral setae; hind tibia with 2–4 anterodorsal, 2–4 posterodorsal, 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, densely greyish dusted, covered with dense hairs in male; in female tergites 2–6 with black marginal setulae. Male sternite 4 about twice as long as wide ( Fig. 16); sternite 5 with moderate long and wide lateral lobes ( Fig. 49). Epandrium, cercal plate and surstyli as in Figs 50, 51.

DISTRIBUTION. Russia: coasts of Kola Peninsula and White Sea. — Europe ( Finland, Great Britain, Iceland, Ireland, Norway, Sweden).