Xerophilomyia nigritarsus Verves et Khrokalo, 2020

Verves, Yu. G., 2020, Review Of Subtribe Apodacrina (Diptera, Sarcophagidae) Of Middle East With Descriptions Of Ten New Species, Zoodiversity 54 (3), pp. 183-204 : 200

Xerophilomyia nigritarsus Verves et Khrokalo , sp. n. ( fig. 19 )

Material. Type. Holotype:}, Israel: Lahave , 27.03.1972, leg. J. Kugler. Deposited in TAU.

D i f f e r e n t i a l d i a g n o s i s: Xerophilomyia nigritarsus sp. n. is similar to X. ctenoscelis ( Rohdendorf, 1925) from Central Asia in the abdominal pattern, differing by the black tarsi of all legs.

F e m a l e. B o d y l e n g t h 5.5–6,0 mm. — Head. Parafrontalia and parafacialia yellowish grey pollinose, darker at vertex, lunula and gena silvery white pollinose, frontal vitta yellow, in fore part shine, in hind part fine golden pollinose, antenna and palp yellow, apical part of arista fuscous, occiput light grey pollinose. Frons at vertex 0.38×, at level of antennal base 0.34× head-width. Frontal vitta 1.5× widened backwards, at level of middle of frons length 1.3× as wide as one of parafrontalia. Postpedicel 2.0× as long as pedicel, arista widened in basal 0.4. Parafacialia at level of antennal base 0.16×, gena 0.07× eyeheight. Palp medium long, at apex widened. Oc fine; fr 12–13, strong, in fore part of frons crossed; orb 14–18, seta-like, reach to level of fore fr; parafrontalia with microscopic light setae; gena with more long yellow setae; 2 pairs of vi. — Thorax covered with medium long black setae, densely grey pollinose, longitudinal stripes absent, scutellum yellowish brown at apex, pleurae light grey pollinose. acr 1+1–2, dc 2+3–4; ia 1+1; pprn 2; npl 2 (without setulae). Scutellum with 3 pairs of long marg (ap crossed) and one pair of shorter ds. t 2 with one ad. — Wing hyaline. Costal spine absent, petiolus of cell r 4+5 short, 0.3× as long as r-m; R 4+5 bare, M -vein acute-angled, dm-cu almost straight. — Legs yellow, f 1 and f 3 almost entirely, f 2 in basal part light grey pollinose; all tibia yellow, t 1 slightly fuscous, all tarsi black. — Abdomen yellowish grey pollinose, tergites with dorsal black spots and stripes and lateral yellow areas. 3 rd tergite with rounded middle spot and paired lateral stripes in hind 0.4, the distance between spot and stripes more than diameter of middle spot; 4 th tergite with similar pattern, but distance between stripes and spot less than diameter of middle spot; 5 th tergite in hind 2/3 with 3 connected spots. 1+2 nd and 3 rd abdominal tergites without medio-marginals.

M a l e. Unknown.

Etymology: The species epithet is a noun in apposition formed from the Latin words niger — black, dark, and tarsus.

D i s t r i b u t i o n: Palaearctic: Asia: Israel.

Figures

Fig. 19. Xerophilomyia nigritarsus sp. n.: a —habitus in lateral view; b —head in profile; c —head in frontal view; d —head in dorsal view; e — wing & abdomen in dorsolateral view; f — abdomen in dorsal view; g — label. Figs 20–21.Xerophilomyia nigropicta Rohd. 20 (male):a — habitus in lateral view; b — head in profile; c — head in frontal view; d — head in dorsal view; e — widdle leg in antrerior view; f — wing; g — abdomen in dorsal view; h — label. 21 (female): a —habitus in lateral view; b — abdomen in dorsal view; c — head in profile; d — head in frontal view; e — head in dorsal view; f — wing abdomen, lateral view; g — label.