Helina subfloscula Xue & Sun 2014, sp. nov.
Creators: name: Xue, Wanqi
name: Sun, Hongkui
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Muscidae
Helina
Helina subfloscula

description: Helina subfloscula Xue, sp. nov.
(Figure 9A–D)
Type material
Holotype. One male (IESNU), China, Mount Jiajin, Sichuan Province, 30°20' N, 102° 25' E, altitude 4000–4100 m, 4 August 2008, L. Chang.
Paratypes. Nine males (IESNU), Mount Jiajin, Sichuan Province, 30°20' N, 102° 25' E, altitude 4000–4100 m, 4 August 2008, L. Chang; One male (IESNU), China, Mount Balang, Sichuan Province, 30°39' N, 104°04' E, altitude 4300–4600 m, 3 August 2008, J.Y. Liu.
Etymology
The specific name is based on the similarity of the new species to H. floscula Feng and Xue, 2003.
Distribution
China, Sichuan Province, Mount Jiajin, Mount Balang.
Remarks
This new species is similar to H. floscula Feng and Xue, 2003, but differs from it as follows. Mid tibia with 1 ad; hind tibia with 1 pd in sub-basal part; sternite 5 longer; cercus sub-square in posterior view, not triangle; outer protuberance distinct, anterior margin of inner protuberance intumescent in profile view.
Description (based on holotype)
Male. Body length 6.5–7.8 mm.
Head. Eyes with long ciliae; frons broad, slightly narrower than the distance between outer margin of posterior ocellus; frontal vitta slightly broader than frons width; 6 pairs of fr on lower three-fifths of frons, without ors; fronto-orbital plate, parafacial and gena with grey pruinosity; parafacia about 1.5 times as broad as postpedicel; antenna black, the length of postpedicel about 2.5 times as long as its width; arista plumose, the longest hairs subequal to the width of postpedicel; epistoma not protruding; vibrissal angle situated behind frontal angle; genal height about one-third of eye height; genal and postgena setulae black; anterior margin of gena with 2 rows of upcurved subvibrissal setula; proboscis short; length of prementum about 2.5 times as long as height; palpus black, longer than prementum.
Thorax. Ground-colour black, with grey pruinosity; scutum with four black vittae, inner vitta reaching scutoscutellar suture, the median pruinose vitta subequal to the width of inner vitta; acr 6–8 rows, only a pair of acr distinct near scutoscutellar suture, acr 0+1, dc 2+4, ial 0+2, pra absent; notopleuron with hairs; colour of scutellum the same as thorax, lateral and lower surfaces of scutellum bare, basisternum of prosternum, katepimeron all bare; lower the posterior spiracle of meron with hairs; katepisternal setae 2+2.
Wing. Slightly with a brown colour, wing-base brown, basicosta orange yellow; costal short, Sc bow-shaped, R 4+5 and M straight, cross-veins r-m and dm-cu distinctly clouded; calypters yellow, haltere dark orange.
Legs. Completely black; fore tibia without median p; mid femur av hair-like, 1 row of pectinate and truncated pv in basal two-fifths; mid tibia with 1 ad, 4–5 p in apical two-thirds, the longest about one-quarter of the diameter of mid tibia; hind femur with distinct av row in apical one-third, without pv; hind tibia with 9–10 pectinate av in apical two-thirds, ad 3–4, 3 of them strong, the longest about one-third length of
hind tibia, 1 row of pectinate p (about 7–8) in apical three-fifths; tarsi longer than tibiae, claws and pulvilli developed.
Abdomen. Ground-colour black, oval in dorsal view; both sides of abdomen with silver grey pruinosity, dorsal surface with orange pruinosity; tergites 2–5 each with a pair of large black patches; tergites 3 and 4 lateral patches minority and slightly confluent; tergite 5 patches minority and indistinct; sternite 1 with hairs.
Female. Unknown.
description: Published as part of Xue, Wanqi & Sun, Hongkui, 2014, Diagnosis and key for the Helina annosa-group (Diptera: Muscidae) from China, with descriptions of nine new species, pp. 1549-1583 in Journal of Natural History 49 (25) on pages 1576-1578, DOI: 10.1080/00222933.2014.954019, http://zenodo.org/record/4006279