Scathophaga incola ( Becker, 1900 )

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 : 215-218

Scathophaga incola ( Becker, 1900)

Figs 9 , 23, 70–72.

incola Becker, 1900: 54 ( Scatophaga ). Type-locality: “Kantaika und der Insel Nikander” [Khantayka and Nikandorskie Islands NE of Dudinka] ( Russia: Krasnoyarsk Krai).

fascifrons Ringdahl, 1936: 174 ( Scopeuma ). Type-locality: “Moore bei Abisco in Lappland angetroffen” ( Sweden).

REMARK. This species was recorded in Russia for subarctic and taiga zones in European part [ Gorodkov,1986: 31 (without specifying the place of collecting); Engelmark, 1999: 158, 159; Polevoi, 1997: 309], Siberia [ Becker, 1900: 54; Ozerov, Barkalov, 2014: 563], Yakutia [ Veselkin, 1985: 75; Bagachanova et al. 2016: 782] and Far East [ Hendel, 1930: 2; Ozerov, Krivosheina, 2014: 217].

MATERIAL EXAMINED. Altai: “Rodonovy istochnik”, 2412 m, Lake Muzdy-Bulak (49.46ºN 88.05ºE), 5.VII.2008, A. Barkalov (2 ♂♂, ISEA); Kosh-Agach, 2400 m, Lake Muzdy-Bulak env. (49.26ºN, 87.65ºE), 8–10.VII.2008, A. Barkalov (6 ♂♂, 4 ♀♀, ISEA and ZMUM); Kosh-Agach, plateau Ukok, 2450 m, Lake Muzdy-Bulak (49.3ºN 87.65ºE), 8.VII.2008, A. Barkalov (2 ♂♂, 5 ♀♀, ISEA and ZMUM); Topuchaya Vill. (51.126ºN 85.586ºE), 1825 m, 3–4.VII.2014, I. Shamshev (1 ♂, 2 ♀♀, ZISP); Arkhangelsk Oblast: Karpogory (63.999ºN 44.453ºE), 10.VII.1996, Gorodkov (1 ♀, ZISP); Buryatia: Barguzinsky Nature Reserve (ca. 54.35ºN 109.51ºE), 4 and 16.VII.1965, Negrobov (1 ♂, 1 ♀, ZISP); Mondy env. (51.675ºN 100.992ºE), 28.VII.1965, Gorodkov (2 ♂♂, ZISP); Chukotka: 20 km SSO of Iul’tin (67.724ºN 178.515ºW), 22.VII.1963, Gorodkov (1 ♀, ZISP); Chaunskaya Bay, the mouth of the River Ichun’ (68.854ºN 170.547ºE), 3.VII.1963, Semenov (5 ♂♂, 4 ♀♀, ZISP); Markovo (ca. 64.680ºN 170.412ºE), 18.VIII.1966, Gorodkov (2 ♂♂, ZISP); Meynypil’gyno env. (62.628ºN 176.976ºE), 14.VII.2015, P.S. Tomkovich (1 ♂, ZMUM); Pevek (69.702ºN 170.298ºE), 11.VIII.1963, Gorodkov (1 ♂, 1 ♀, ZISP); Kamchatka Krai: Apuka env. (60.443ºN 169.602ºE), 7.VIII.1959, Gorodkov (1 ♂, ZISP); Krapivnoe, 60 km E of Esso (55.927ºN 158.704ºE), 8.VIII.1978, A. Zinov’ev (1 ♀, ZISP); Karelia: Kartesh (66.33ºN 33.64ºE), 22.VII.1975, Gorodkov (1 ♂, ZISP); Khabarovsk Krai: Bulgino env. (59.371ºN 143.147ºE), 29.VIII.1987, Gorodkov (1 ♂, 2 ♀♀, ZISP); Komi: Blagoevo (63.41ºN 47.95ºE), 12 and 13.VII.1996, Gorodkov (2 ♀♀, ZISP); Krasnodar Krai: Teberdinskiy Nature Reserve, Dzhamagat Valley (43.464ºN 41.736ºE), 7.VII.1984, Ovchinnikov (1 ♂, ZISP); Krasnoyarsk Krai: Noril’sk env. (69.339ºN 88.214ºE), 4.VII.1967, 21.VIII.1973, Gorodkov (2 ♂♂, ZISP); Zhdanikha (72.171ºN, 102.868ºE), 27–30.VIII.1971, V. Zherikhin & I. Sukacheva (1 ♂, ZMUM); Magadan Oblast: Chaybukha (61.801ºN 160.413ºE), 1.IX.1987, Gorodkov (1 ♀, ZISP); Moscow Oblast: Dmitrov env. (56.316ºN 37.725ºE), 8.IX.2006, N. Vikhrev (1 ♀, ZMUM); Murmansk Oblast: River Tuloma (ca. 68.738ºN 32.288ºE), 4– 6.VIII.1904, Soldatov (2 ♂♂, ZISP); Primorsky Krai: Mt Oblachnaya (43.695ºN 134.201ºE), 11.VIII.1963, Nartshuk (1 ♂, ZISP); Tuva: River Uyuk (52.07ºN 94.04ºE), 800 m, 1–3.VII.2017, N. Vikhrev (1 ♂, ZMUM); the upper reaches of the River Mogun-Buren’ (ca. 50.041ºN 89.872ºE), 25.VII.1964, Nartshuk (1 ♂, ZISP); Tyumen’ Oblast: (63.818ºN 59.562ºE), 6–8.VII.2010, K. Tomkovich (1 ♂, ZMUM); 55 km W of Samburg (ca. 67.035ºN 76.541ºE), 12.VIII.1976, Gorodkov (1 ♂, ZISP); 75 km WSW of Samburg (ca. 67.0357ºN 76.5411ºE), 9.VIII.1976, Gorodkov (1 ♀, ZISP); 85 km WSW of Antipayuta (ca. 68.820ºN 75.344ºE), 31.VII.1977, Gorodkov (1 ♀, ZISP); 87 km NW of Tazovskiy (ca. 67.522ºN 77.807ºE), floodplain of the River Khariyanog, 29.VII.1977, Gorodkov (1 ♀, ZISP); Labytnangi env. (66.661ºN 66.394ºE), 20.VIII.1976, Gorodkov (1 ♂, ZISP); Nyda (66.628ºN 72.922ºE), 5.VIII.1977, Gorodkov (1 ♀, ZISP); Saranpaul’ (64.257ºN 60.917ºE), 30.VII.1990, Malozemov (1 ♂, 1 ♀, ZISP); Tobol’sk env. (58.206ºN 68.264ºE), Lake Boyarskoe, 25.IX.1926, K.P. Samko (1 ♂, ZISP); Yakutia: Kular (70.573ºN 134.271ºE), 3–4.VIII.1974, Gorodkov (3 ♂♂, 8 ♀♀, ZISP); left bank of the River Yana opposite of Verkhoyansk (67.55ºN 133.359ºE), 23.VII.1974, Nartshuk (1 ♂, ZISP); River Atirayyana near Zhigansk (66.766ºN 123.372ºE), 12.VII.1875, Chekanovskiy (1 ♀, ZISP); Srednekolymsk (67.46ºN 153.71ºE), 16.VIII.1974, Gorodkov (4 ♂♂, ZISP); Tiksi env. (71.635ºN 128.857ºE), 9.VII.–17.VIII.1957, Gorodkov (3 ♂♂, 3 ♀♀, ZISP); same place, 30.VII.1990, Kasparyan (1 ♀, ZISP); Verkhoyansk (67.548ºN 133.396ºE), 11.VIII.1972, 22.VII.1974, Gorodkov (1 ♂, 1 ♀, ZISP); Zabaikalskiy Krai: Lesnaya Station (51.764ºN 112.999ºE), 1.VII.2012, A. Medvedev (2 ♂♂ ZMUM). See also Ozerov & Krivosheina [2014: 217] and Ozerov & Barkalov [2014: 563].

DESCRIPTION. Male. Female. Body-length 6.5– 10.6 mm.

Head. Frontal vitta reddish-yellow, with delicate whitish reflection; fronto-orbital plate blackish, greyish dusted. Face, parafacial and gena reddish-yellow, with delicate whitish reflection. Postcranium black in upper third or quarter and reddish-yellow in lower part. 3 orbital and 4–5 frontal setae present. Antenna reddish-yellow. Postpedicel approximately twice as long as wide. Arista pubescent, the longest hairs approximately equal to 1/2 width of postpedicel. Palpus yellow.

Thorax greyish dusted, black completely, only postpronotal lobe usually yellowish. Acrostichals setulose in two rows, but prescutellar pair stronger than the other acrostichals, dorsocentrals 2+3, intra-alars 1+2, supra-alars 1+2, postpronotals 2. Katepisternum posteriorly, besides yellow hairs and setulae, also with several black setulae. Anepimeron bare. Scutellum black, greyish dusted, with a pair of strong basal scutellar and a pair of strong apical scutellar setae.

Legs. Coxae from yellow to brown. Femora, tibiae, and tarsi yellowish, fore femur as a rule darkened posteriorly or posterodorsally. Fore femur covered with hairs, but without conspicuous setae. Fore tibia with 2–

58 59 60

4 dorsal, 0–1 posterior, 1 preapical dorsal, and 1 posterior apical setae. Mid femur with 1 preapical anterodorsal seta in male and usually with a row of anterodorsal setae in female, also with 1 preapical posterior and 1 preapical posterodorsal setae in both sexes. Mid tibia with 2–3 posterodorsal, 1 anterodorsal setae and a ring of apicals. Hind femur without conspicuous setae in male and with a row of anterodorsal setae in female. Hind tibia with 3–4 anterodorsal, 2–3 posterodorsal, 1 preapical dorsal, 1 preapical anterodorsal, 1 apical anteroventral setae.

Wing tinged with brownish; crossveins r-m and dm-cu darkened ( Fig. 9 ).

Abdomen from yellowish to dark brownish, delicately greyish dusted, covered with not long hairs, tergites with black marginal setulae. Female tergite 7 shiny. Male sternite 4 approximately as long as wide ( Fig. 23); sternite 5 with a pair of small narrow apical median processes ( Fig. 70). Epandrium, cercal plate and surstyli as in Figs 71, 72.

DISTRIBUTION. Russia: Siberia and Far East from Ural Mountains east to Chukotka, south to Altay, Buryatia, Lake Baikal and Magadan Oblast; — Europe ( Finland, Norway); North America .

Figures

Figs 6–9. Scathophaga litorea (Fallén) (6, 8), S. exalata Ozerov (7) and S. incola (Becker) (9): 6 — anepisternum; 7–9 — wing. Рис. 6–9. Scathophaga litorea (Fallén) (6, 8), S. exalata Ozerov (7) и S. incola (Becker) (9): 6 — анЭпистерн; 7–9 — крыло.