Dryomyza formosa ( Wiedemann, 1830 )

Ozerov, A. L. & Krivosheina, M. G., 2022, A review of the family Dryomyzidae (Diptera) of Russia, Russian Entomological Journal 31 (3), pp. 312-326 : 319-320

Dryomyza formosa ( Wiedemann, 1830)

Figs 4, 16 , 26 , 37 .

formosa Wiedemann, 1830: 447 ( Scatophaga ). Type-locality: Japan.

gigas Snellen von Vollenhoven, 1863: 18 ( Dryomyza ). Type-locality: Japan.

MATERIAL EXAMINED. Khabarovsk Krai: Khabarovsk (48.426ºN 135.118º), 4.VII.1931, V. Pereleshina (1 ♂, ZMUM) ; Primorsky Krai: 40 km SO of Ussuriysk [= Kamenushka ] (43.634ºN 132.222ºE), 27.VII., 1, 10 and 26.VIII.1983, 8.IX.1984, 4.VIII.1987, A. Ozerov (8 ♂♂, 4 ♀♀, ZMUM) ; same place, 1.IX.1990, A. Antropov (1 ♀, ZMUM) ; same place, 23.VII.1983, A. Shatalkin (1 ♀, ZMUM) ; same place, 22–24. VI.2014, N. Vikhrev (1 ♀, ZMUM) ; Anisimovka (43.13ºN 132.80ºE), 21–24. VI.2018, N. Vikhrev (1 ♀, ZMUM) ; Iman [=Dal’nerechinsk] (45.930ºN 133.734ºE), 1947, Grochovskaya (1 ♀, ZMUM) ; Kedrovaya Pad’ Nature Reserve (43.104ºN 131.512ºE), 1.IX.1987, D. Shcherbakov (1 ♀, ZMUM) ; Sikhote-Alin Nature Reserve , 11–20. VI.1929, N. Filippov (3 ♂♂, ZMUM) ; same place, 22.VIII.1978, D. Shcherbakov (2 ♂♂, ZMUM) ; Sudzukhinsky [=Lazovsky] Nature Reserve, Tachingou (43.023ºN 134.136ºE), 18–25.IX., 1–9.X.1948, Gussakovskiy (10 ♂♂, 7 ♀♀, ZMUM) ; Sakhalin Oblast: Kunashir I., Tret’yakovo (43.989ºN 145.644ºE), 12.VII.2014, T. V. Galinskaya (1 ♂, ZMUM) ; Kuril Islands, Kunashir I., cordon Filatovsky (44.193ºN 146.019ºE), 31.VIII.–2.IX.2009, I. Melnik (1 ♂, ZMUM) ;

DIAGNOSTIC DESCRIPTION. Body-length 11.8– 20.0 mm. Body reddish-yellow in ground colour. Antenna from yellow to reddish-yellow. Arista bare on apical part and plumose in basal 1/2 ( Fig. 2). Palpus yellow or reddish-yellow. Scutum with brown stripe between acrostichal rows and less distinct stripes distally from dorsocentral rows. Fore leg reddish-yellow, tarsus usually brownish. Mid and hind legs bicolored: coxae, trochanters, femora in basal half, apex of tibiae and usually tarsi brownish, the rest parts yellow. Wings conspicuously brownish tinged; with dark brown or blackish spot around crossveins r-m and dm-cu and in cell sc, also with dark rims near apex of veins R 2+3, R 4+5 and M. Abdomen from yellow to black. Genitalia as in Figs 16 , 26 , 37 ; ventromedial process shorter than surstylus.

DISTRIBUTION. South of Russian Far East; China, India, Japan, Korea, Vietnam [ Mathis & Sueyoshi, 2011].

BIOLOGY. Adults of Dryomyza formosa were common in August-September on human excrements; larvae developed in this substrate [ Petrova, 1968]. Besides larvae were found in decaying corpse of large vertebrate animal [ Ozerov, 1987].

Figures

Figs 13–18. Genitalia of Dryomyzidae, lateral view: 13 — Dryomyza anilis Fallén; 14 — Dryomyza caucasica (Ozerov); 15 — Dryomyza ecalcarata Kurahashi; 16 — Dryomyza formosa (Wiedemann); 17 — Dryope decrepita (Zetterstedt); 18 — Dryope flaveola (Fabricius). Рис. 13–18. Гениталии Dryomyzidae, сбоку: 13 — Dryomyza anilis Fallén; 14 — Dryomyza caucasica (Ozerov); 15 — Dryomyza ecalcarata Kurahashi; 16 — Dryomyza formosa (Wiedemann); 17 — Dryope decrepita (Zetterstedt); 18 — Dryope flaveola (Fabricius).

Figs 23–28. Genitalia of Dryomyzidae, dorsal view: 23 — Dryomyza anilis Fallén; 24 — Dryomyza caucasica (Ozerov); 25 — Dryomyza ecalcarata Kurahashi; 26 — Dryomyza formosa (Wiedemann); 27 — Dryope decrepita (Zetterstedt); 28 — Dryope flaveola (Fabricius). Рис. 23–28. Гениталии Dryomyzidae, сверху: 23 — Dryomy- za anilis Fallén; 24 — Dryomyza caucasica (Ozerov); 25 — Dryo- myza ecalcarata Kurahashi; 26 — Dryomyza formosa (Wiede- mann); 27 — Dryope decrepita (Zetterstedt); 28 — Dryope flaveo- la (Fabricius).

Figs 34–43. Aedeagus of Dryomyzidae, lateral view: 34 — Dryomyza anilis Fallén; 35 — Dryomyza caucasica (Ozerov); 36 — Dryomyza ecalcarata Kurahashi; 37 — Dryomyza formosa (Wiedemann); 38 — Dryope decrepita (Zetterstedt); 39 — Dryope flaveola (Fabricius); 40 — Oedoparena minor Suwa; 41 — Paradryomyza setosa (Bigot); 42 — Paradryomyza spinigera Ozerov; 43 — Pseudoneuroctena senilis (Zetterstedt). 40 — after Ozerov & Krivosheina, 2021, fig. 8. Рис. 34–43. Эдеагус Dryomyzidae, сбоку: 34 — Dryomyza anilis Fallén; 35 — Dryomyza caucasica (Ozerov); 36 — Dryomyza ecalcarata Kurahashi; 37 — Dryomyza formosa (Wiedemann); 38 — Dryope decrepita (Zetterstedt); 39 — Dryope flaveola (Fabricius); 40 — Oedoparena minor Suwa; 41 — Paradryomyza setosa (Bigot); 42 — Paradryomyza spinigera Ozerov; 43 — Pseudoneuroctena senilis (Zetterstedt). 40 — по Ozerov & Krivosheina, 2021, fig. 8.