Trichopalpus (Trichopalpus) fraternus ( Meigen, 1826 )

Ozerov, A. L., 2019, A review of the genus Trichopalpus Rondani, 1856 (Diptera: Scathophagidae) of Russia, Russian Entomological Journal 28 (4), pp. 470-484 : 471-475

Trichopalpus (Trichopalpus) fraternus ( Meigen, 1826)

Figs 1 , 3 –7, 13, 19, 25.

fraterna Meigen, 1826: 243 ( Cordylura ). Type-locality: not given.

Recorded in Russia from Belgorod and Leningrad Regions [ Ovchinnikov, 2013] and from Far East by Ozerov & Krivosheina [2014].

MATERIAL. Arkhangelsk Oblast: Arkhangelsk (64.5461°N 40.5677°E), 4.VIII.2010, D. Gavryushin (1 ♀, ZMUM) ; Northern Dvina River (64.5182°N 40.4215°E), 7.VIII.2010, D. Gavryushin (1 ♀, ZMUM) ; Solvychegovsk (61.3421°N 46.9132°E), 17.VIII.2010, D. Gavryushin (1 ♂, ZMUM) ; Astrakhan’ Oblast: Baskunchak salt lake (48.193°N 46.813°E), 2–4. V.2010, K. Tomkovich (1 ♂, 1 ♀, ZMUM) ; Ikryanoe (46.112°N 47.767°E), 10. V.2010, K. Tomkovich (1 ♀, ZMUM) ; Chuvashia: Yadrin (55.88°N 42.29°E), 13.VII.2009, N. Vikhrev (1 ♂, 4 ♀♀, ZMUM) ; Komi: Seida (67.05°N 63.09°E), 23.VII.2010, N. Vikhrev (4 ♂♂, ZMUM) ; Khakassia: Prigorsk env. (53.92°N 91.41°E), 15.VII.2017, N. Vikhrev (1 ♂, ZMUM) ; Moscow and Moscow Oblast: Smolevo (55.5788°N 38.6662°E), 25–31. V.2012, K. Tomkovich (1 ♂, ZMUM) ; Andreevskoe (55.9763°N 35.5885°E), 10.VIII.2007, A.L. Ozerov (4 ♂♂, 1 ♀, ZMUM) ; Burtsevo (55.9781°N 35.5885°E, 55.9772°N 35.5874°E, 55.9766°N 35.5902°E, 55.9783°N 35.5905°E, 55.9877°N 35.6008°E), 2.IX.2007, 28.VII.2008, 4 and 8.VIII. 2009, 10.VIII. 20148, A.L. Ozerov (12 ♂♂, 6 ♀♀, ZMUM) ; Dedinovo (55.0524°N 39.1234°E), 31.VII.1984, B.M. Mamaev (1 ♂, ZMUM) ; Dmitrov env. (56.3163°N 37.7258°E), 9.IX.2003, 14. VI. and 4–7.VII.2007, N. Vikhrev (8 ♂♂, ZMUM) ; Izmaylovo (55.8023°N 37.8440°E), 5.VI.1983, 20.VI.2007, A.L. Ozerov (7 ♂♂, 11 ♀♀, ZMUM) ; Naro-Fominsk (55.3654°N 36.7437°E), 4.VIII.2010, D. Gavryushin (1 ♀, ZMUM) ; Ozhigovo (55.4533°N 36.8847°E), 6.IX.2007, D. Gavryushin (1 ♂, ZMUM) ; Pushchino (54.8361°N 37.6232°E), 3.VII.1984, M. Krivosheina (1 ♀, ZMUM) ; Skhodnya River (55.9230°N 37.3487°E), 20. VI.2011, A.L. Ozerov (2 ♂♂, ZMUM) ; Yur’evo (56.0057°N 35.5450°E, 56.0067°N 35.5460°E, 56.0066°N 35.5462°E), 2 and 9.VIII.2007, 29.VII.2009, 17.VII.2010, A.L. Ozerov (4 ♂♂, 1 ♀, ZMUM) ; Nizhegorod Oblast: Dzerzhinsk (56.21°N 43.62°E), 16 and 17.VIII.2009, N. Vikhrev (1 ♂, 2 ♀♀, ZMUM) ; Omsk Oblast: Achairsky monastery (54.6694°N 73.8194°E), 22. VI.2008, O. Kosterin (1 ♂, ZMUM) ; Primorsky Krai: Kamenushka (43.6342°N 132.2220°E), 11.VII.1984, A. Shatalkin (1 ♂, ZMUM) , same place, 8.VIII.1983, VII.1984, A.L. Ozerov (2 ♀♀, ZMUM) ; Khanka Lake (45.06°N 131.99°E), 15–19. VI.2014, N. Vikhrev (1 ♀, ZMUM) ; Ryazan’ Oblast: Kasimov env. (54.94°N 41.34°E), 17–19. VI.2013, N. Vikhrev (2 ♂♂, ZMUM) ; Zalesnoe (54.969°N 41.327°E), 21– 26.VII.2013, N. Vikhrev (12 ♂♂, 8 ♀♀, ZMUM) ; Tver’ Oblast: Derbovezh env. (56.33°N 31.97°E), 21. VI.2012, N. Vikhrev (1 ♀, ZMUM) ; Volgo Lake (56.8766°N 33.2439°E), 18–19.VIII.2011, A.L. Ozerov (3 ♂♂, 2 ♀♀, ZMUM) ; Ul’yanovsk Oblast: Radishchevo (55.836°N 48.367°E), 7–9. V.2011, K. Tomkovich (1 ♀, ZMUM) .

DESCRIPTION. Male, female. Medium-sized flies (4.2–5.6 mm long).

Head. Frontal vitta blackish in upper part, only in lower third or quarter yellow reddish, matt; fronto-orbital plate and ocellar triangle black, greyish dusted.

Face blackish, greyish dusted. Parafacial yellow. Gena usually yellow, rarely blackish in posterior half, greyish dusted. Postgena black, greyish dusted. Postcranium black, greyish dusted, covered with black setae in upper third and pale hairs in lower part. 3 orbitals, 2–4 frontals, 1 ocellar, 1 postocellar (very small), 1 inner vertical, 1 outer vertical; 2 pairs of vibrissae present. Antenna black, postedicel reddish inside at base. Postpedicel with slightly acute upper apical corner, about 2.0 times as long as wide. Arista black, basally thickened, bare. Clypeus and proboscis black. Palpus yellow.

Thorax black, greyish dusted. Acrostical hairs in two rows, dorsocentrals 3+3, including short erect seta on anterior margin of scutum, intra-alars 1+2, supra-alars 1+2, postpronotals 2, notopleurals 2, postalars 2. Proepisternum covered with hairs anteriorly, with 2 setae near lower margin. Proepimeron with one seta.

8 7

9 10

11 12

Figs 7–12. Male sternite 4 of Trichopalpus spp. : 7 — T. fraternus (Meigen) ; 8 — T. lacteipennis (Ringdahl) ; 9 — T. nearcticus (Vockeroth) ; 10 — T. nigribasis (Curran) ; 11 — T. obscurellus (Zetterstedt) ; 12 — T. punctipes (Meigen) .

Рис 7–12. Стернит 4 самца видов Trichopalpus : 7 — T. fraternus (Meigen) ; 8 — T. lacteipennis (Ringdahl) ; 9 — T. nearcticus (Vockeroth) ; 10 — T. nigribasis (Curran) ; 11 — T. obscurellus (Zetterstedt) ; 12 — T. punctipes (Meigen) .

Anepisternum covered with hairs in posterior half, with 3–4 setae along posterior margin. Katepisternum covered with hairs in posterior half and with 1 strong seta in upper posterior corner. Anepimeron bare. Scutellum black, greyish dusted, with a pair of basal scutellar and a pair of apical scutellar setae.

Legs. Coxae and trochanters of all legs black. Usually: fore femur black, but yellow in apical quarter or third, mid and hind femora black in central part and yellow basally and apically; tibiae and tarsi of all legs yellow. Sometimes mid and hind femora and tibiae blackish almost completely. Fore femur with a row of posterodorsal setae, and covered with more or less long hairs posteroventrally. Fore tibia with 1 dorsal and 1 posterior/posteroventral setae in lower half, with 1 preapical dorsal/posterodorsal seta and 1 apical posterior seta. Mid femur with a row of anterior setae, with 1 preapical anterior/anterodorsal and 1 preapical posterodorsal setae. Mid tibia with 1 anterodorsal, 0–1 posterodorsal setae near middle, also with a ring of apicals in both sexes, additionally with 1 ventral seta near middle in female. Hind femur with a row of anterodorsal setae and with 4–5 anteroventral setae in apical third. Hind tibia with 2 anterodorsal, 2 posterodorsal, 0–1 anteroventral, 1 preapical dorsal, 1 preapical anterodorsal and 1 apical anteroventral setae.

Wing clear or slightly darkened; veins brown. R 1 bare dorsally. Calypters, margins of calypters, and halteres whitish or yellowish.

Abdomen black, greyish dusted; syntergite 1+2 and tergites 3–6 with a row of marginal setae. Male sternite 4 about 1.5 times as long as wide (Fig. 7). Male sternite 5 with lobes narrowed apically and curved internally (Fig. 13). Epandrium and surstyli as in Figs 19 , 25 . Ovipositor as in Figs. 4–6 .

DISTRIBUTION. Russia: Arkhangelsk Oblast, Astrakhan Oblast, Belgorod Oblast, Chuvashia, Komi, Khakassia, Leningrad Oblast, Moscow Oblast, Nizhegorod Oblast, Omsk Oblast, Primorsky Krai, Ryazan’ Oblast, Tver’ Oblast, Ul’yanovsk Oblast. — Europe (widespread) .

Figures

Figs 1–2. Male habitus of Trichopalpus fraternus (Meigen) (1) and T. punctipes (Meigen) (2). Photographs by D. Gavryushin. Рис. 1–2. ОбЩий вид самца Trichopalpus fraternus (Meigen) (1) и T. punctipes (Meigen) (2). Фото Д. ГаврюШина.

Figs 3–6. Trichopalpus fraternus (Meigen): 3 — anepisternum; 4 — end of female abdomen, dorsal view; 5 — same, lateral view; 6 — same, ventral view. Рис 3–6. Trichopalpus fraternus (Meigen): 3 — анЭпистернум; 4 — конец брюШка самки, сверху; 5 — то же, сбоку; 6 — то же, сниЗу.

Figs 19–24. Epandrium, cerci and surstyli, lateral view of Trichopalpus spp.: 19 — T. fraternus (Meigen); 20 — T. lacteipennis (Ringdahl); 21 — T. nearcticus (Vockeroth); 22 — T. nigribasis (Curran); 23 — T. obscurellus (Zetterstedt); 24 — T. punctipes (Meigen). Рис. 19–24. Эпандрий, церки и сурстили, вид сбоку видов Trichopalpus: 19 — T. fraternus (Meigen); 20 — T. lacteipennis (Ringdahl); 21 — T. nearcticus (Vockeroth); 22 — T. nigribasis (Curran); 23 — T. obscurellus (Zetterstedt); 24 — T. punctipes (Meigen).

Figs 25–28. Epandrium, cerci and surstyli, dorsal view of Trichopalpus spp.: 25 — T. fraternus (Meigen); 26 — T. lacteipennis (Ringdahl); 27 — T. nearcticus (Vockeroth); 28 — T. nigribasis (Curran). Рис. 25–28. Эпандрий, церки и сурстили, сверху видов Trichopalpus: 25 — T. fraternus (Meigen); 26 — T. lacteipennis (Ringdahl); 27 — T. nearcticus (Vockeroth); 28 — T. nigribasis (Curran).