Ophiomyia nasuta (Melander, 1913)

Guglya, Yu. A., 2014, Mining Flies Of The Genus Ophiomyia (Diptera, Agromyzidae) Of Eastern Ukraine And Adjacent Territories: Review Of The Species Without A Fasciculus, Vestnik Zoologii (Vestn. Zool.) 48 (1), pp. 51-66 : 56-57

Ophiomyia nasuta (Melander, 1913) (fig. 32–37)

M a t e r i a l e x a m i n e d. Near Kamenka , 16.05.2010, 16.05.2010, 1 ♂; near Petrivske, 21.05.2011, 1 ♀ ; Pyatichatki , 13.05.2011, 10.06.2010, 10.07.2010, 5 ♂, 4 ♀ ; Sokolniki , 10.07.2011, 2 ♂, 1 ♀ ; Kharkiv, Botanical Garden , 12.05.2012, 02.09.2012, 2 ♀ ; near Haydary , 03.06.2011, 03.06.2011, 3 ♂, 7 ♀ ; Velyka Pysarivka, 24.06.2012, 1 ♂; near Kuzemin , 23.05.2010, 29.05.2011, 14.08.2011, 16 ♂, 8 ♀ ; Poltava, 12.08.2012, 1 ♀ .

Рис. 32–37. O. nasuta (Melander) : 32, 33 — голова самца; 34 — фаллюс, латеральный вид; 35 — то же, вентральный вид; 36 — левая лопасть восьмого стернита; 37 — сперматека. Масштабная линейка 0,1 мм.

R e d e s c r i p t i o n. Head (fig. 32, 33). Orbit slightly projected above eye in profile, wide and shining, with clear contours (anterior view); 2 fr s in male, 2 orb s and 2 fr s in female; frorb sta numerous, proclinate, in several rows, elongate; facial bulb 1.5× as wide as pedicel; spherical; lunule rounded, with wide furrow; frons matt; vibrissa present; ocellar triangle reaching the level of 2nd fr s; maximal height of eye 8.0 × maximal height of gena; 1st flagellomere rounded, with sparse brown pubescence (lateral view).

Wing. Costa to M; last section of M 0.75× as long as penultimate; calypter beige; margin and fringe brown. Length of wing 2.3 mm.

Mesonotum greyish-black with slight greenish shine (anterior view); 3 dc; ac 3 nearest to sctsctl sut and 8 at level of 2nd dc; halter and legs black.

Male genitalia (fig. 34, 35). Phallus 0.32 mm long. Distiphallus oval, with flattened distal margin (ventral view). Distiphallus 1.1 × as long as basiphallus. “Elongate arms of basiphallus well-developed but left arm bends laterally at right angles to aedeagus” ( Spencer, 1964).

Female terminalia (fig. 36, 37). Both spermathecae equal, spherical, with cylindrical collar. Proximal and ventral margins of egg guide with sharp, sparse, well-defined teeth. Medial margin without any scales.

D i s t r i b u t i o n. Holarctic ( Spencer, 1990), Ukraine ( Guglya (2012).

H o s t p l a n t. Asteraceae : Taraxacum spp. ( Spencer, 1990) .

B i o n o m i c s. Larva feeds in midrib and stalks (Spencder, 1990).