Helina subfloscula Xue, 2014
publication ID |
https://doi.org/ 10.1080/00222933.2014.954019 |
DOI |
https://doi.org/10.5281/zenodo.4338494 |
persistent identifier |
https://treatment.plazi.org/id/C47387F2-FF8A-D82F-4DCD-FF4E1B2BFE67 |
treatment provided by |
Carolina (2020-08-28 14:59:00, last updated 2024-11-26 02:21:49) |
scientific name |
Helina subfloscula Xue |
status |
sp. nov. |
Helina subfloscula Xue View in CoL , sp. nov.
( Figure 9A–D View Figure 9 )
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. GoogleMaps
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 GoogleMaps .
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.
Feng Y, Xue WQ. 2003. Four new species of Helina from Sichuan, China (Diptera: Muscidae). Entomol J East China. 12: 5 - 9.
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