Michotamia yunnanensis, Zhang, Lili, Scarbrough, Aubrey & Yang, Ding, 2012

Zhang, Lili, Scarbrough, Aubrey & Yang, Ding, 2012, Review of the species of Michotamia from China with a description of a new species (Diptera, Asilidae), ZooKeys 184, pp. 47-55 : 50-52

Michotamia yunnanensis sp. n. Figs 1-7

Diagnosis.

Dorsal postocular bristles black and strong, middle and lower postocular bristles pale and thinner. Antenna black, postpedicel 3.5 times longer than scape and pedicel combined. Fore and mid femora yellow, dorsal surface of hind femur mostly blackish-brown, base narrowly yellow. Wing hyaline; crossvein r-m at apical 1/3 of discal cell.

Description.

Male. Body length 13 mm, wing length 10 mm.

Head. Face brown, sparsely pale haired below antenna and with 2 vertical rows of 6 black bristles on lower 2/3, mystax with strong, yellow bristles; frons blackish-brown, several black bristles laterally; vertex blackish-brown; occiput with pale hairs, its lower portion with long pale hairs; dorsal postocular bristles black, middle and lower postocular bristles pale. Antenna (Fig. 1) black, wide apex of scape and pedicel reddish, postpedicel black, 3.5 times longer than scape and pedicel combined; stylus brown, less than 1/2 as long as postpedicel. Proboscis black, pale hairs basally and apically; palpus black, with black hairs and bristles.

Thorax. Black with white pubescence. Mesonotum black with golden yellow pubescence laterally; 2 dc, 2 npl, 1 spal and 1 pal. Scutellum black with pale hairs and 2 weak marginal scutellar setae. Pleuron wholly black, with dense pale white pubescence. Katatergite with a row of 7 brown bristles. Wing (Figs 6-7) hyaline, tinged grayish apically; veins basally yellowish and apically brown to blackish; crossvein r-m at apical 1/3 of discal cell. Anal cell closed with short stalk. Halter yellow.

Legs (Figs 6-7). Largely yellow; coxae black, with dense pale pubescence and strong pale bristles. Fore and mid femora yellow with black tip, hind femur mostly yellow, blackish anterodorsally. Tarsi reddish-brown except basal half of tarsomere 1 brownish-yellow. Legs with most hairs and bristles black. Fore tibia with 1 av, 2 ad and 2 pd bristles, mid tibia with 2 ad; hind tibia with 1 av, 2 ad and 2 pd bristles. Claws black.

Abdomen (Figs 6-7) with long pale hairs laterally and shorter brown hairs dorsally. Abdominal tergite 1 black, tergite 2 black with yellow band posteriorly, tergites 3-4 blackish at middle, remaining tergites black; abdominal sternites 1-3 yellow, sternite 4 brownish. Abdominal segments 5-7 black. Male genitalia yellow (Figs 2-5). Epandrium wide basally, apex angular and with shallow emargination, dorsal corner produced well beyond ventral corner. Hypandrium somewhat triangular.

Female. Unknown.

Type material.

Holotype ♂, Yunnan: Xishuangbanna, Menghun (21°50'31.37"N, 100°23'08.00"E), 750 m, 1958.VI.1, Chunpei Hong.

Etymology.

The species name yunnanensis refers to the Province of Yunnan.

Remarks.

Michotamia yunnanensis sp. n.is distinguished from Michotamia assamensis by the hyaline wings (Figs 6-7), color of the femora as described in the key, and the co mbined characters of the terminalia, especially the shape of the epandrium (Figs 2-5). In Michotamia assamensis , the fore and mid femora are yellowish-orange ventrally and posteriorly, black dorsally and anteriorly from base to near apex, the hind femur is mostly black with the narrow base yellowish-orange, and the wing is dark brownish-yellow and basal 1/3 of the anal lobe is hyaline ( Joseph and Parui 1995, 1998).

Distribution.

China: Yunnan.