Megaphthalma, Becker, 1894

Ozerov, A. L. & Krivosheina, M. G., 2023, Contribution to the fauna of dung flies (Diptera: Scathophagidae) of Russia with a key to genera and a checklist of the Russian Scathophagidae, Russian Entomological Journal 32 (1), pp. 95-122 : 112

KEY TO SPECIES OF MEGAPHTHALMA OF RUSSIA

1. Scutellum with a pair of basal setae; apical setae absent or like hairs. Vein R

1

setulose on apical third of dorsal surface. Arista long haired, the longest hairs approximately equal to 1/2 width of postpedicel ( Fig. 16 ). Male sternites 4 and 5, epandrium, cerci and surstyli as in Figs 64 , 87, 88......................................... M. pallida (Fallén)

—. Scutellum with a pair of basal and a pair of apical setae. Vein R 1 bare. Arista short haired, the longest hairs approximately equal to 1/4 width of postpedicel. Male sternites 4 and 5, epandrium, cerci and surstyli as in Figs 65 , 89, 90..................................... M. unilineata (Zetterstedt)

Figures

Figs 13–18. Head of Scathophagidae, lateral view: 13 — Delina nigrita (Fallén); 14 — Hexamitocera loxocerata (Fallén); 15 — Leptopa filiformis (Zetterstedt); 16 — Megaphthalma pallida (Fallén); 17 — Micropselapha filiformis (Zetterstedt); 18 — Mixocordylura parva Ozerov. 14 — after Ozerov & Krivosheina, 2015, fig. 3; 17 — after Ozerov, 2014, fig. 7; 18 — after Ozerov & Krivosheina, 2012a, fig. 10. Рис. 13–18. Голова Scathophagidae, сбоку: 13 — Delina nigrita (Fallén); 14 — Hexamitocera loxocerata (Fallén); 15 — Leptopa filiformis (Zetterstedt); 16 — Megaphthalma pallida (Fallén); 17 — Micropselapha filiformis (Zetterstedt); 18 — Mixocordylura parva Ozerov. 14 — по Ozerov & Krivosheina, 2015, fig. 3; 17 — по Ozerov, 2014, fig. 7; 18 — по Ozerov & Krivosheina, 2012a, fig. 10.

Figs 61–67. Male sternites 4 (lower) and 5 (upper) of Scathophagidae: 61 — Ernoneura argus (Zetterstedt); 62 — Hydromyza livens (Fabricius); 63 — Leptopa filiformis Zetterstedt; 64 — Megaphthalma pallida (Fallén, 1819); 65 — Megaphthalma unilineata (Zetterstedt); 66 — Staegeria kunzei (Zetterstedt); 67 — Scatomyza magnipennis (Portschinsky). Рис. 61–67. Стерниты 4 (вниЗу) и 5 (вверху) самцов Scathophagidae: 61 — Ernoneura argus (Zetterstedt); 62 — Hydromyza livens (Fabricius); 63 — Leptopa filiformis Zetterstedt; 64 — Megaphthalma pallida (Fallén); 65 — Megaphthalma unilineata (Zetterstedt); 66 — Staegeria kunzei (Zetterstedt); 67 — Scatomyza magnipennis (Portschinsky).