Ephydra glauca Meigen, 1830

Krivosheina, M. G. & Ozerov, A. L., 2021, A review of the shore-fly genus Ephydra Fallén, 1810 (Diptera: Ephydridae) of Russia, Russian Entomological Journal 30 (3), pp. 345-360 : 350-352

Ephydra glauca Meigen, 1830

Figs 1, 3 , 9 , 18 , 27 , 36 .

glauca Meigen, 1830: 120 ( Ephydra ). Type-locality: not given (? Germany).

obscuripes Becker, 1896: 222 ( Ephydra ). Type-locality: Sarepta [part of Volgograd] ( Russia).

MATERIAL. Altai: Klyuchi (52.25ºN, 79.16ºE), lake Klyuchevskoe bank, 20. VI .2009 , O. Kosterin (1 ♂, 1 ♀, ZMUM); Lake Kolyvanovskoe (51.363ºN 82.191ºE), 8.IX.2007, O. Kosterin (1 ♂, 1 ♀, ZMUM); Astrakhan’ Oblast: salt lake Baskunchak (48.193°N 46.813°E), near fresh pond , 2–6. V .2010 , K. Tomkovich (7 ♂♂, 1 ♀, ZMUM); same place, 17.06.2003, A. Ovchinnikov (6 ♂♂, 1 ♀, ZISP); Khakassia: Borets (54.445°N 90.33°E), salt pond , 28. VI .2011 , K. Tomkovich (1 ♀, ZMUM); Lake Shunet (54.419ºN 90.227ºE), 5.VII.1897, Yu. Vagner (1 ♂, ZISP); Prigorsk env. (53.92°N 91.44°E) , 15.VII.2017, N. Vikhrev (3 ♂♂, ZMUM); salt lake Beljo (54.65ºN 90.18ºE), 382 m , 1–3.VII.2011, K.P. Tomkovich (4 ♂♂, ZISP); Novosibirsk Oblast: Novosibirsk, Zaeltsovsky Park, Ob’ -river bank , 15.IX.2007 (2 ♂♂, 2 ♀♀, ZMUM); Novosibirsk, Akademgorodok (54.825ºN 83.113ºE) , 1.VII.2009, O. Kosterin (3 ♂♂, 1 ♀, ZMUM); Omsk Oblast: Cherlak-Krasny Oktyabr’ env. (54.133ºN 75.011ºE) , 30. V .2009 , O. Kosterin (1 ♂, ZMUM); Omsk, Solenoe Lake (54.885ºN 73.347ºE), 30. VI .2008 , O. Kosterin (2 ♂♂, 2 ♀♀, ZMUM); same place, 29. VI .2013 , O. Kosterin (2 ♂♂, ZMUM); Omsk, River Irtysh left floodland (54.952ºN 73.355ºE), reeds and salinas, 3.IV.2008, O. Kosterin (4 ♂♂, 3 ♀♀, ZMUM); Orenburg Oblast: Irgizly (52.959ºN 57.024ºE) , 24. VI .1899 , Yakobson & Shmidt (2 ♂, ZISP); Stavropol’ Krai: Bol’shoy Tambukan (ca. 43.961ºN 43.158ºE), 1909, A. Skorikov, “ Ephydra obscuripes Beck., Stackelberg det.” (9 ♂♂, 16 ♀♀, ZISP); Tuva: Dus-Khol salt lake (51.36ºN 94.45ºE), 700 m, 2–5.VII.2017, N. Vikhrev (2 ♂♂, ZMUM); Yakutia: Lake Abalakh (61.676ºN 131.178ºE), 6 km W of Ele-chey, saline meadow near lake , 16. VIII .2011 , L. Sivtseva (1 ♂, ZMUM); Lake Mokhsogollokh (salt), Kempendyay env. (62.033ºN 118.651ºE), on water surface, 23. VI .2011 , L. Sivtseva (3 ♂♂, 1 ♀, ZMUM); Lake Muosany , 52 km ENE of Kempendyay (62.278ºN 119.44ºE), on water surface, 23. VI .2011 , L. Sivtseva (1 ♂, 6 ♀♀, ZMUM); Zabaikalsky Krai, 20 km NE of Solov’evsk (49.896ºN 115.699ºE), 22. V .1959 , K. Grunin (1 ♂, ZISP).

ADDITIONAL MATERIAL. Kazakhstan: SW Kazakhstan, Narynkol [= Raiymbek] District, lake Tuzkol (43.006ºN 79.971ºE), 31. VIII .1959 , P. Lehr (3 ♂♂, ZISP); Shortandy (51.698ºN 70.997ºE), 19. VI .1938 , B. Kuzin (1 ♂, ZISP); May-Emer , Turgaysk. O., 29. VI.1928, V. Popov (1 ♂, 1 ♀, ZISP); Borovoe [Burabay, 53.083ºN 70.307ºE), 2, 12.VII., 14.VII.2006, N. Dvoretskaya (4 ♀♀, ZMUM); 36 km SSE of Aktogay (46.64ºN 79.861ºE), 400 m, 13.VI.2014, V. Zinchenko (1 ♂, ZISP); Ukraine: Golaya Pristan’ (46.524ºN 32.521ºE), 18.VII.1977, on decaying plants of salt lake, E. Klechkovskiy (3 ♂♂, ZMUM); Chernomorskiy Nature Reserve (ca. 46.314ºN 31.890ºE), cordon Geroyskiy, 6.VII.1977, E. Klechkovskiy (2 ♀♀, ZMUM); Aleshki (46.62ºN 32.719ºE), 18.VI.1926, L. Zimin (1 ♂, ZISP); Uzbekistan: Aral Sea, Syr-Dar’inskaya Distr., 30.V.1928, N. Olenev, V. Popov (5 ♂♂, 1 ♂, ZISP); Ayakguzhumdy (40.738ºN 63.745ºE), 7.VI.1965, E. Nartshuk (1 ♂, ZISP).

DESCRIPTION. Body-length 4.5–5.5 mm.

Head ( Fig. 1 ) grey pollinose except metallic shining frontal vitta, with greenish tinge; upper face pollinose; fronto-orbital plate grey or brownish pollinose. 3–4 (rarely 5) long fronto-orbital setae, 3 pairs of interfrontal setae, of which anterior strong, 1/2 as long as

18 17

20 21

23 24 22

ocellar. Postocular setae well developed. Palpus dark, grey pollinose. Antenna blackish, greyish dusted; arista short pubescent on dorsal surface on basal 1/2. Gena and parafacial greyish pollinose.

Thorax black, densely grey pollinose, not subshining. Scutum with brownish fuse spots and stripes ( Fig. 3 ). Acrostichals setulose in two rows, intra-alars 1+(0– 2) ( Fig. 3 ).

Legs black, densely grey dusted; tarsi of all legs yellowish ventrally.

Abdomen black with greenish tinge, densely grey pollinose. Tergite 5 approximately equal in length to tergite 4. Male genitalia small, as long as tergite 5. Epandrium elongate in dorsal (posterior) view ( Fig. 27 ), wider in cercal half; surstylus narrowed apically. Epandrium parallel-sided in lateral view ( Fig. 36 ); surstylus is at obtuse angle to epandrium, bifurcate apically, one lobe thin. Aedeagus with slender pointed tip in lateral view ( Fig. 9 ). Gonite stout at base with curved distal part and slender tip in lateral view ( Fig. 18 ).

NOTE. The species differs in acrostichal setae arranged in two rows, presence of well developed postocular setae and dense grey pollinosity, upper face, scutum and abdomen not subshining.

DISTRIBUTION. Russia: Altai, Astrakhan’ Oblast, Khakassia, Novosibirsk Oblast, Omsk Oblast, Orenburg Oblast, Stavropol’ Krai, Tuva, Volgograd Oblast, Yakutia, Zabaikalsky Krai. — Palearctic: Algeria, Bulgaria, France, Hungary, Italy, Mongolia, Poland, Romania, Turkey [ Mathis, Zatwarnicki, 1995]. Kazakhstan (first record), Ukraine (first record), Uzbekistan (first record).

Figures

Figs 1–4. Head, lateral view (1, 2) and scutum (3, 4) of Ephydra spp.: 1, 3 — E. glauca Meigen; 2 — E. sholtzi Becker; 4 — E. riparia Fallén. Рис. 1–4. Голова, сбоку (1, 2) и среднеспинка (3, 4) Ephydra spp.: 1, 3 — E. glauca Meigen; 2 — E. sholtzi Becker; 4 — E. riparia Fallén.

Figs 7–15. Aedeagus of Ephydra spp., lateral view: 7 — E. afghanica Dahl; 8 — E. attica Becker; 9 — E. glauca Meigen; 10 — E. japonica Miyagi; 11 — E. macellaria Egger; 12 — E. pseudomurina Krivosheina; 13 — E. riparia Fallén; 14 — E. sholtzi Becker; 15 — E. villosa sp.n. Рис. 7–15. Эдеагус Ephydra spp., сбоку: 7 — E. afghanica Dahl; 8 — E. attica Becker; 9 — E. glauca Meigen; 10 — E. japonica Miyagi; 11 — E. macellaria Egger; 12 — E. pseudomurina Krivosheina; 13 — E. riparia Fallén; 14 — E. sholtzi Becker; 15 — E. villosa sp.n.

Figs 16–24. Gonite of Ephydra spp., lateral view: 16 — E. afghanica Dahl; 17 — E. attica Becker; 18 — E. glauca Meigen; 19 — E. japonica Miyagi; 20 — E. macellaria Egger; 21 — E. pseudomurina Krivosheina; 22 — E. riparia Fallén; 23 — E. sholtzi Becker; 24 — E. villosa sp.n. Рис. 16–24. Гонит Ephydra spp., сбоку: 16 — E. afghanica Dahl; 17 — E. attica Becker; 18 — E. glauca Meigen; 19 — E. japonica Miyagi; 20 — E. macellaria Egger; 21 — E. pseudomurina Krivosheina; 22 — E. riparia Fallén; 23 — E. sholtzi Becker; 24 — E. villosa sp.n.

Figs 25–30. Epandrium and surstyli of Ephydra spp., dorsal view: 25 — E. afghanica Dahl; 26 — E. attica Becker; 27 — E. glauca Meigen; 28 — E. japonica Miyagi; 29 — E. macellaria Egger; 30 — E. pseudomurina Krivosheina. Рис. 25–30. Эпандриум и сурстили Ephydra spp., сверху: 25 — E. afghanica Dahl; 26 — E. attica Becker; 27 — E. glauca Meigen; 28 — E. japonica Miyagi; 29 — E. macellaria Egger; 30 — E. pseudomurina Krivosheina.

Figs 34–39. Epandrium and surstyli of Ephydra spp., lateral view: 34 — E. afghanica Dahl; 35 — E. attica Becker; 36 — E. glauca Meigen; 37 — E. japonica Miyagi; 38 — E. macellaria Egger; 39 — E. pseudomurina Krivosheina. Рис. 34–39. Эпандриум и сурстили Ephydra spp., сбоку: 34 — E. afghanica Dahl; 35 — E. attica Becker; 36 — E. glauca Meigen; 37 — E. japonica Miyagi; 38 — E. macellaria Egger; 39 — E. pseudomurina Krivosheina.