Corresponding author: Lili Zhang (
Academic editor: Torsten Dikow
Three species of
The species of
1 | Hind femur reddish-yellow or brownish-yellow; apical 1/3 of epandrium abruptly curved dorsally, apex obtuse, about 1/3 as wide as epandrium at middle distance from base to apex in lateral view |
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– | Hind femur largely or at least dorsally black; epandrium wide, margins parallel from base to apex, apex with a weak emargination and prominent dorsal and ventral corners | 2 |
2 | Wing hyaline, microtrichia sparse, most abundant apically ( |
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– | Wing brownish-yellow, darkest anteriorly, microtrichia wide spread; fore & mid femora yellowish-orange, black extending from base to near apex dorsally & anteriorly; hind femur wider, 5 times longer than diameter medially, mostly black, basal 1/5 reddish-yellow or yellow; apex of epandrium subtruncate, dorsal corner only slightly produced beyond ventral corner |
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Slender, medium [15-20 mm] flies with sparse, short setae on the thorax.
The long postpedicel is useful in diagnosing most species of
Antennal pedicel brownish yellow, scape and postpedicel black; postpedicel 2.5 times as long as scape and pedicel combined. Fore and mid femora yellowish-orange, black extending from base to near apex dorsally and anteriorly; hind femur wider medially, 5 times longer than diameter, mostly black, basal 1/5 reddish-yellow or yellow; epandrium of male genitalia wide with parallel dorsal and ventral margins, apex subtruncate, slightly emarginated, dorsal corner only slightly beyond ventral corner.
China: Yunnan; India (Assam); Laos (Vientiane).
Antennal scape and pedicel yellow, postpedicel black and twice as long as scape and pedicel combined. Dorsocentral and scutellar bristles absent. All legs yellow, brownish yellow or reddish yellow. Wing with anterior basal half pale yellow and the rest infuscated, r-m well beyond middle of discal-cell.
China: Hainan, Yunnan, Taiwan; Bangladesh; India (Andaman Islands, Andhra Pradesh, Bihar, Karnataka, Kerala, Madhya Pradesh, Orissa, Pondicheryy, Tamil Nadu, Uttar Pradesh, and West Bengal); Indonesia (Maluku Islands, Sulawesi); Laos; Myanmar; Pakistan; Sri Lanka (Amparai, Anuradhapura, Colombo, Galle, Hambantota, Kandy, Matara, Mannar, Monarapala, Polonnaruwa, Trincomalee, Vavuniya); Thailand.
Sri Lanka.
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.
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 (
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 (
Legs (
Abdomen (
Female. Unknown.
Holotype ♂, Yunnan: Xishuangbanna, Menghun (
The species name
China: Yunnan.
This research is supported by the National Natural Science Foundation of China (No. 30600056), a grant (No. O529YX5105) from the Key Laboratory of the Zoological Systematics and Evolution of the Chinese Academy of Sciences) and Special Fund for Agro-scientific Research in the Public Interest (No. 200903021). N. Evenhuis, Bernice P. Bishop Museum (BPBM), Honolulu, USA, is thanked for specimen loans. H. de Jong of the Universiteit van Amsterdam, Instituut voor Taxonomische Zoologie, Zoologisch Museum (ZMAN), Netherlands, is thanked for specimen loans, providing information regarding Meijere types, and arranging accommodations for AGS.