Scathophaga lapponica ( Ringdahl, 1920 )

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 : 224

Scathophaga lapponica ( Ringdahl, 1920)

Figs 10–12 , 28, 85–87, 133.

lapponica Ringdahl, 1920: 39 ( Coniosternum ). Type-locality: “Kiruna in Lappland” (Norrbotten, Sweden).

REMARK. This species was recorded in Russia from Kola Peninsula [ Gorodkov, 1970: 454], Siberia [ Gorodkov, 1986: 32, without specifying the place of collecting], Commander Islands [ Gorodkov, 1986: 32] and Amur Oblast [ Ozerov, Krivosheina, 2014: 217].

MATERIAL EXAMINED. Altai: Kosh-Agach, plato Ukok, 2400 m, surrounding area of Lake Muzdy-Bulak (49.26ºN 87.65ºE), 10.VII.2008, A. Barkalov (1 ♂, 1 ♀, ISEA and ZMUM); Shebalino env. (51.57ºN 85.58ºE) , floodplain of the River Sema , 462 m , 27–30. VI .2009 , V. Sorokina (2 ♀♀, ISEA); Amur Oblast: Bol’shoy Never (53.978ºN 124.150ºE), 7–8.IX.1974, Gorodkov (14 ♂♂, 8 ♀♀, ZISP); Arkhangelsk Oblast: Belush’e env. (66.89ºN 47.61ºE) , 24.VIII.1978, Gorodkov (1 ♂, ZISP); Mezen’ (65.85ºN 44.24ºE) , 27.VIII.1978, Gorodkov (1 ♀, ZISP); Nizhnyaya Pesha (66.751ºN 47.760ºE) , 22 and 23.VIII.1978, Gorodkov (2 ♂♂, 2 ♀♀, ZISP); Buryatia: Khargun , 6 km E of Kyren (51.683ºN 102.132ºE) , Sayany, 11.VII.1965, Gorodkov (1 ♀, ZISP); Mondy env. (51.675ºN 100.992ºE) , 26.VII.1965, Gorodkov (1 ♂, ZISP); Kamchatka Krai: Commander Islands, Nikol’skoe (55.196ºN 165.998ºE) , 14.IX.1959, Gorodkov (3 ♂♂, ZISP); Krasnoyarsk Krai: Khatanga (71.975ºN 102.482ºE) , 24– 26.VIII.1970, V. Zherikhin & I. Sukacheva (1 ♂, ZMUM); Khatanga (71.981ºN 102.483ºE) , 22–26.VIII.1971, Gorodkov (8 ♂♂, 8 ♀♀, ZISP); Norilsk (69.339ºN 88.220ºE) , 26.VIII.1975, Gorodkov (1 ♂, ZISP); Taymyr, Taymyrskiy Nature Reserve, cordon Ary-Mas (72.5ºN 101.94ºE) , 14 m, 9–22.VII.2010, A. Barkalov (1 ♂, ZMUM); Magadan Oblast: Chaybukha (61.801ºN 160.413ºE) , 2.IX.1987, Gorodkov (1 ♂, 1 ♀, ZISP); Gizhiga (61.948ºN 160.377ºE) , 5.IX.1987, Gorodkov (4 ♂♂, 4 ♀♀, ZISP); Sakhalin Oblast: Paramushir I., Severo-Kuril’sk (50.679ºN 156.132ºE) , 5.IX.1968, Gorodkov (1 ♂, ZISP); Yakutia: Chokurdakh (70.618ºN 147.895ºE) , 19–20.VIII.1971, Gorodkov (6 ♂♂, 4 ♀♀, ZISP); Deputatskiy (69.319ºN 139.966ºE) , 6– 7.VIII.1974, Gorodkov (14 ♂♂, 11 ♀♀, ZISP); Kular (70.573ºN 134.271ºE) , 2–4.VIII.1974, Gorodkov (10 ♂♂, 6 ♀♀, ZISP); left bank of the River Yana opposite of Verkhoyansk (67.550ºN

133.359ºE), 23.VII.1974, Nartshuk (1 ♂, ZISP); Mikhaylovka, 60 km NE of Amga (61.214ºN 132.681ºE), 12–24.VIII.1985, 23.VII.1986, Maksimova & Sivtsov (4 ♀♀, ZISP); same place, 20.VII.1986, Bagachanova (1 ♂, ZISP); Ust’-Kuyga (70.000ºN 135.562ºE), 26–28.VII.1974, Gorodkov (10 ♂♂, 8 ♀♀, ZISP); Zhigansk (66.766ºN 123.372ºE), 15.VIII.1973, Gorodkov (4 ♂♂, 3 ♀♀, ZISP). See also Ozerov & Krivosheina [2014: 217] .

DESCRIPTION. Male. Female. Body-length 6.0– 6.8 mm.

Head. Frontal vitta yellow or reddish-yellow, with delicate whitish reflection; fronto-orbital plate blackish, densely greyish dusted. Face, parafacial and gena yellow, with whitish reflection. Postcranium blackish. 3 orbital and 4–5 frontal setae present. Antenna black; postpedicel about twice as long as wide. Arista bare. Palpus yellow.

Thorax black, densely greyish dusted, with dark stripes and fuzzy spots on scutum and scutellum. Acrostichals not differentiated from the other hairs on scutum, dorsocentrals 2+3, intra-alars 1+(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 all tarsi yellow. Fore femur covered with whitish hairs, with 3–4 dorsal setae or setulae in apical third. Fore tibia with 2–4 dorsal, 2–4 posterodorsal, 1–2 posterior, 1 preapical dorsal, 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 posterior setae, also with a ring of apicals. Hind femur with a row of 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 d-m not darkened.

Abdomen black, densely pale grey dusted, covered with short whitish hairs; tergites 2–6 each with a row of marginal setulae in both sexes. Male sternite 4 about twice as long as wide ( Fig. 28). Male sternite 5 with long narrow lateral lobes (Fig. 85). Cercal plate slightly shorter than surstyli (Figs 86, 87). Aedeagus as in Fig.133 . End of female abdomen as in Figs 10–12 .

DISTRIBUTION. Russia: north of European part, and from northern Siberia east to Magadan Oblast and Kamchatka ( Commander Islands ), south to Altay and Amur Oblast. — North America ; widely distributed, but is not a common species .

Figures

Figs 10–13. Scathophaga lapponica (Ringdahl) (10–12) and Scathophaga litorea (Fallén) (13): 10 — end of female abdomen, lateral view; 11 — same, dorsal view; 12, 13 — same, ventral view. Рис 10–13. Scathophaga lapponica (Ringdahl) (10–12) и Scathophaga litorea (Fallén) (13): 10 — конец брюШка самки, сбоку; 11 — то же, сверху; 12, 13 — то же, сниЗу.

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.