Trichopalpus Rondani, 1856

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

Trichopalpus Rondani, 1856

Trichopalpus Rondani, 1856: 100 . Gender: masculine. Type-species: Cordylura fraterna Meigen , by original designation.

Chaetosa Coquillett, 1898: 163. Gender: feminine. Type-species: Cordylura punctipes Meigen , by original designation — syn.n.

Opsiomyia Coquillett, 1898: 162 . Gender: feminine. Type-species: Opsiomyia palpalis Coquillett , by original designation.

Paramicroprosopa Ringdahl, 1936: 169 [as subgenus of Microprosopa Becker ]. Gender: feminine. Type-species: Microprosopa subarctica Ringdahl , by original designation [= Cordylura obscurella Zetterstedt ].

Huckettia Vockeroth, 1987: 1095 . Nomen nudum.

Huckettia Vockeroth, 1995: 733 . Gender: feminine. Type-species: Huckettia nearctica Vockeroth , by original designation — syn.n.

Tricopalpus , error. (e.g., Rondani, 1856: 225; Becker, 1894:157; Curran, 1927: 255)

Trichopalpus species are slender, small flies (3–6 mm in body length) ( Figs 1, 2 ); head rounded in profile; arista bare; palpus elongate, distinctly spatulate, without strong apical/subapical seta; proepisternum covered with hairs at middle part; anepisternum covered with setulae along dorsal margin and in posterior part only ( Fig. 3 ); anepimeron bare; katepisternum with one strong seta in posterodorsal corner, in T.punctipes additionally with one moderate or small seta in upper anterior corner; postmetacoxal bridge absent; scutellum with a pair of strong apical and a pair of strong basal setae; wing clear or slightly darkened; R 1 bare dorsally; male sternite 5 symmetrical (Figs 13–18); surstyli simple, symmerical ( Figs 25–30 ). Ovipositor short and compact, with proctiger shifted dorsally. Tergites 7 and 8 each divided dorsally into two sclerites ( Fig. 4 ). Sternite 7 large ( Fig. 6 ). Sternite 8 represented by two compressed sclerites narrowed distally ( Fig. 4 ).

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 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).

Figs 29–30. Epandrium, cerci and surstyli, dorsal view of Trichopalpus spp.: 29 — T. obscurellus (Zetterstedt); 30 — T. punctipes (Meigen). Рис. 29–30. Эпандрий, церки и сурстили сверху видов Trichopalpus: 29 — T. obscurellus (Zetterstedt); 30 — T. punctipes (Meigen).