Scathophaga mollis ( Becker, 1894 )

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 : 230-231

Scathophaga mollis ( Becker, 1894)

Figs 31, 94–96, 134.

mollis Becker, 1894: 171 ( Scatophaga ). Type-locality: “Sibiria” ( Russia).

sychevskayae Ozerov, 2010b: 162, 165 ( Scathophaga ). Type-locality: Tabalach, Sakha [=Yakutia] ( Russia).

REMARK. The species was recorded in Russia from Yakutia [ Sychevskaya, 1972: 150; Ozerov, 2010b: 162, 165; Bagachanova et al. 2016: 782] and Magadan Oblast [ Ozerov, Krivosheina, 2014: 218].

MATERIAL EXAMINED. Altai: River Chuya , 20 km NW of Kosh-Agach (50.085ºN 88.404ºE), 25–27.VII.2006, A. Ovchinnikov, Nartshuk (3 ♀♀, ZISP) ; Buryatia: Mondy env. (51.675ºN 100.992ºE), 28.VII.1965, Gorodkov (2 ♂♂, 1 ♀, ZISP) ; Irkutsk Oblast: Padun (56.293ºN 101.711ºE), 4.IV.1867, Chekanovskiy (2 ♂♂, 1 ♀, ZISP) ; Kamchatka Krai: Mil’kovo (54.697ºN 158.620ºE), 7.VII.1985, Zlobin (3 ♂♂, 1 ♀, ZISP) ; Magadan Oblast: Gizhiga (61.948ºN 160.377ºE), 5–6.IX.1987, Gorodkov (14 ♂, 9 ♀♀, ZISP) ; Magadan env. (59.38ºN 150.51ºE), 12.VII.2017, V. Sorokina (2 ♂♂, 3 ♀♀, ZISP) ; road Solnechnyy – Ola (59.616ºN 150.850ºE), 13.VIII. and 28.VIII.2017, N. Tridrikh (1 ♂, 4 ♀♀, ZMUM) ; Tuva: the upper reaches of the Mogun-Buren’ River (ca. 50.041ºN 89.872ºE), 26.VII.1964, Nartshuk (1 ♂, ZISP) ; Yakutia: Abaga (61.049ºN 132.280ºE), 19.VII. 2008, A. Ovchinnikov (1 ♀, ZISP) ; airport Saskylakh (71.934ºN 114.083ºE), 24.VII.1988, Gorodkov (2 ♂♂, 4 ♀♀, ZISP) ; Balagannakh (64.495ºN 143.817ºE), 4–8.VII.1974, Nartshuk (2 ♂♂, 7 ♀♀, ZISP) ; same place 24.VIII.1974, Gorodkov (8 ♂♂, 7 ♀♀, ZISP) ; Batagay (67.653ºN 134.635ºE), 9.VIII.1972, Gorodkov (4 ♂♂, 3 ♀♀, ZISP) ; same place, 21.VII.1974, Gorodkov (5 ♂♂, 7 ♀♀, ZISP) ; same place, 31.VII.2008, A. Ovchinnikov (12 ♂♂, 8 ♀♀, ZISP) ; Deputatskiy (69.319ºN 139.966ºE), 7.VIII.1974, Gorodkov (11 ♂♂, 8 ♀♀, ZISP) ; Khaptagay (61.785ºN 129.797ºE), 4.VII.1974, R. Kamenskaya (1 ♂, ZMUM) ; Lake Tabalakh (71.500ºN 128.756ºE), 3.VIII.1969, V. Sychevskaya (3 ♀♀, ZMUM) ; left bank of the River Yana opposite of Verkhoyansk (67.550ºN 133.359ºE), 23.VII.1974, Nartshuk (8 ♂♂, 13 ♀♀, ZISP) ; Mikhaylovka , 60 km NE of Amga (61.214ºN 132.6815ºE), 13–23.VII.1985, 12–24.VIII.1985, 17– 23.VII. and 21.VIII.1986, Bagachanova, Novikov, Kaymuk (21

♂♂, 18 ♀♀, ZISP); Mirnyy (62.540ºN 113.962ºE), 22.VIII.1988, Gorodkov (11 ♂, 8 ♀♀, ZISP); Neryuktyayinsk-1 (60.258ºN 119.673ºE), 11, 17 and 18.VII. 2008, A. Ovchinnikov (12 ♂♂, 10 ♀♀, ZISP); Oktemtsy env. (61.672ºN 129.417ºE), 6.VII. 2008, A. Ovchinnikov (2 ♂♂, 2 ♀♀, ZISP); Olekminsk (60.370ºN 120.436ºE), 29.VIII.1988, Gorodkov (11 ♂♂, 10 ♀♀, ZISP); Pokhodsk (69.079ºN 160.961ºE), 18.VII.1973, Vinokurov (8 ♂♂, 8 ♀♀, ZISP); River Tyung (65.75ºN 118.93ºE), 6.VIII.1926, Grigor’ev (1 ♀, ZISP); River Yana, Stolby env. (67.531ºN 134.087ºE), 26–29.VII. 2008, A. Ovchinnikov (36 ♂♂, 38 ♀♀, ZISP); Teply Klyuch (62.783ºN 136.809ºE), 20–21.VIII.1974, Gorodkov (14 ♂♂, 10 ♀♀, ZISP); Tolon (59.458ºN 111.539ºE), 15.VII.1987, Zlobin (4 ♂♂, 4 ♀♀, ZISP); Tyubelyakh env. (65.371ºN 143.1673ºE), 11.VII.1974, Nartshuk (1 ♂, 4 ♀♀, ZISP); Tyungyulyu (62.201ºN 130.676ºE), 26.VII.1996, Bagachanova (1 ♂, ZISP); Udachny (66.405ºN 112.299ºE), 16–20.VIII.1988, Gorodkov (4 ♂♂, 4 ♀♀, ZISP); Ust’-Kuyga (70.000ºN 135.562ºE), 26– 28.VII.1974, Gorodkov (13 ♂♂, 12 ♀♀, ZISP); Verkhoyansk (67.548ºN 133.396ºE), 23.VII.1974, Gorodkov (9 ♂♂, 8 ♀♀, ZISP); Yakutsk env. (62.042ºN 129.708ºE), 23.VII.1969, V. Sychevskaya (1 ♂, 7 ♀♀, ZMUM); Yakutsk env. (62.159ºN 129.822ºE), 13.VII.1976, Kovalev (1 ♀, ZISP); same place, 10.VIII.1987, Zlobin (1 ♂, ZISP); Yakutsk env., Chochur-Muran (62.034ºN 129.618ºE), 1– 2.VII. and 3.VIII.2008, A. Ovchinnikov (15 ♂♂, 27 ♀♀, ZISP); Zhigansk (66.766ºN 123.372ºE), 15.VIII.1973, Gorodkov (25 ♂♂, 16 ♀♀, ZISP); Zabaikalsky Krai: Ulyatuy (51.168ºN 116.227ºE), 16.VIII.2016, A. Medvedev (1 ♂ ZMUM). See also Ozerov [2010b: 162, 165], Ozerov & Krivosheina [2014: 218].

DESCRIPTION. Male. Female. Body-length 6.1– 7.4 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 5–6 frontal setae present. Antenna black; postpedicel about twice as long as wide. Arista bare. Palpus black completely or yellow in basal half and black apically.

Thorax black, densely greyish dusted. Acrostichals not differentiated from the other hairs on scutum, dorsocentrals 2+3, intra-alars 1+1 (anterior postsutural), supra-alars 1+2, postpronotals 2. Anepimeron covered with hairs. 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. Male fore and hind femora and female fore femur covered with whitish hairs, but without conspicuous setae. Fore tibia with 2 dorsal, 2 posterior, 1 preapical anterodorsal, and 1 posterior apical setae. Mid femur with 1 preapical posterior and 1 preapical posterodorsal setae in both sexes, additionally with a row of anterior setae in apical half in female. Mid tibia with 2–3 anterodorsal, 2 posterodorsal, 2–3 posterior, 0–1 anteroventral, 1 ventral setae, also with a ring of apicals. Hind femur with a row of anterodorsal setulae. Hind tibia with 2 posterodorsal, 2 anterodorsal, 1 preapical dorsal, 1 preapical anterodorsal and 1 apical anteroventral setae. All setae on tibiae more or less strong in female and hair-like in male.

Wing clear; crossveins r-m and dm-cu not darkened or crossveins r-m slightly darkened only.

Abdomen black, densely pale grey dusted, covered with short whitish hairs. Tergites 2–5 in male and tergites 2–6 in female each with a row of marginal setulae (males) or setae (females). Male sternite 4 about as long as wide (Fig. 31). Male sternite 5 with short and narrow lobes ( Fig. 94 ). Cercal plate short, not longer than short surstyli ( Figs 95, 96 ). Aedeagus as in Fig. 134 .

DISTRIBUTION. Russia: midland of Siberia and Far East. — Mongolia, China [ Sun, 1996: 630], North America.

Figures

Figs 88–96. Scathophaga litorea (Fallén) (88–90), S. lutaria (Fabricius) (91–93) and S. mollis (Becker) (94–96): 88, 91, 94 — male sternite 5; 89, 92, 95 — epandrium, cercal plate and surstyli, lateral view; 90, 93, 96 — same, dorsal view. 89, 90 — after Ozerov, 2013, figs 17, 18; 94–96 — after Ozerov, 2010b, figs 27, 28, 30. Рис. 88–96. Scathophaga litorea (Fallén) (88–90), S. lutaria (Fabricius) (91–93) и S. mollis (Becker) (94–96): 88, 91, 94 — стернит 5 самца; 89, 92, 95 — Эпандрий, церки и сурстили, сбоку; 90, 93, 96 — то же, сверху. 89, 90 — по Ozerov, 2013, figs 17, 18; 94–96 — по Ozerov, 2010b, figs 27, 28, 30.

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.