Scatomyza medvedevi Ozerov et Krivosheina, 2018

Ozerov, A. L. & Krivosheina, M. G., 2018, To the knowledge of the genus Scatomyza Fallén, 1810 (Diptera: Scathophagidae) of Nepal, Far Eastern Entomologist 353, pp. 1-16 : 4-6

Scatomyza medvedevi Ozerov et Krivosheina , sp. n.

Figs 5–8

MATERIAL. Holotype – ♂, Nepal: Rasuwa Distr. , Buddha mandir env.

(28.0879ºN, 85.3900ºE), 4215 m, 13–14.VI 2017, coll. A. Medvedev ( ZMUM) .

removed, lateral view; 6 – sternites 4 (lower) and 5 (upper); 7 – epandrium, cerci and surstyli,

lateral view; 8 – same, dorsal view.

DESCRIPTION. MALE ( Fig. 5 ). Head. Frontal vitta matt, reddish black; frontoorbital plate black, grey dusted. Face black, greyish dusted. Parafacial and gena reddish yellow. Postcranium black, densely grey dusted, covered with whitish and black hairs. Setae: 3 orbitals, 4 frontals, 1 ocellar, 1 inner vertical, 1 small outer vertical, 1 small postocellar; 4–5 pairs of vibrissae present. Antenna black. Postpedicel rounded apically, about 2.5 times as long as wide. Arista black, pubescent throughout its length. Palpus slender, yellow.

Thorax. Scutum grey dusted, with dark markings as follows: a pair of paramedian vittae between the acrostichal and dorsocentral rows; a patch between presutural dorsocentrals and supra-alars; and postsuturally a vitta between dorsocentrals and intra-alars. Pleura grey dusted. Acrostichals absent, dorsocentrals 3+3 (first presutural short and directed anteriorly), intra-alars 0+2, supra-alars 1+2, postpronotals 2,

notopleurals 2, postalars 2. Proepisternum with hairs, also with 1 slender seta near lower margin. Proepimeron with hairs. Anepisternum covered with blackish hairs almost completely, with hairs adjacent to anterior thoracic spiracle and with 2 black setae along posterior margin. Katepisternum covered with blackish hairs in posterior half and 1 strong seta in posterodorsal corner. Anepimeron bare. Postmetacoxal bridge present. Scutellum black, densely grey dusted; a pair of strong basal scutellar and a pair of strong apical scutellar setae present.

Legs. Coxae, femora and tibiae black, grey dusted; tarsi yellow, but tarsomere 4

dorsally, tarsomere 5 and pulvillae blackish. Fore femur covered with hairs, but without conspicuous setae. Fore tibia with a row of slender anterodorsal setae, 2

slender posterior, 1 strong apical ventral and 1 apical anteroventral setae. Mid femur covered with hairs, with a row of slender posteroventral setae, and 1 long basal hair posteriorly. Mid tibia covered with long straight hairs, also with 1 posterodorsal, 2

anterodorsal, 1 anteroventral setae, and a ring of apicals. Hind femur covered with moderate hairs, with 4–5 anterodorsal setae in apical quarter. Hind tibia with long hairs anteroventrally, 3–4 anterodorsal, 4 posterodorsal, 1 anteroventral setae, and a ring of apicals; apical posteroventral seta absent.

Wing clear; veins blackish, vein R 1 bare. Calypters, margins of calypters, and halteres pale yellowish.

Abdomen elongate-cylindrical, black, greyish dusted, covered with hairs. Male sternite 4 simple, about 1.5 times as long as wide ( Fig. 6 ). Male sternite 5 with a pair of wide lateral lobes ( Fig. 6 ). Cerci and surstyli as in Figs. 7, 8 .

MEASUREMENTS. Length of body 7.0 mm, length of wing 5.9 mm.

Female unknown.

BIOLOGY AND HABITAT. Single male was collected on dung of domestic yak ( Bos grunniens (Linnaeus, 1766) , fam. Bovidae ) at the height 4215 m a.s.l.

DISTRIBUTION. Nepal: Rasuwa Distr.

ETYMOLOGY. The new species is named after the collector, Andrey Medvedev.

Figures

Figs 5–8. Scatomyza medvedevi sp. n., holotype ♂. 5 – habitus before the abdomen is