Isoneuromyia yorki Evenhuis
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publication ID |
https://doi.org/ 10.5281/zenodo.172063 |
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DOI |
https://doi.org/10.5281/zenodo.6261679 |
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persistent identifier |
https://treatment.plazi.org/id/03F20820-ED1D-FFCA-8C0E-FCA1016CFC5E |
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treatment provided by |
Plazi |
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scientific name |
Isoneuromyia yorki Evenhuis |
| status |
sp. nov. |
Isoneuromyia yorki Evenhuis View in CoL , n. sp.
( Figs. 2 View FIGURES 1 – 6. 1 – 2 , 10 View FIGURES 7 – 10. 7 , 19 View FIGURES 11 – 19 , 26 View FIGURES 20 – 26 , 43)
Diagnosis
Similar to the Indian species grandis but can be distinguished from it by the yellow palpi (brown in grandis) and the yellow fore coxa (brown basally in grandis).
Description
MALE. Lengths: Body: 5.0– 6.5 mm; wing; 4.2–5.5 mm.
Head ( Fig. 2 View FIGURES 1 – 6. 1 – 2 ). Vertex and occiput black, with small recumbent black hairs. Ocelli in horizontal line. Frons black, bare. Antennae brown. Face yellow with brown transverse band medially, silvery pruinose with small black hairs apically. Palpi yellow. Proboscis orange.
Thorax. Mesonotum ( Fig. 19 View FIGURES 11 – 19 ) dark brown. Scutellum reddish brown to pale brown. Mesonotum with yellow tomentum dorsally, small recumbent black hairs posteriorly, patch of thick black setae above wing root, on postalar calli, and on posterior margin of scutellum. Prescutellar area tapering to scutellum. Pronotal lobes dark brown with black setae laterally. Pleura and mediotergite dark brown, bare. Halter orange with dark brown along edge of knob.
Legs. Coxae yellowish orange with black hairs. Mid and hind coxae with spot of black color apically. Fore and mid femora yellow, hind femur black basally, all femora with fairly dense recumbent black hairs. Fore tibia with brownish orange tibial pecten apically. Tibial spurs black. Fore basitarsus 1.2 x length of fore tibia. Mid and hind basitarsi subequal in length to lengths of respective tibiae. Claws minute.
Wing ( Fig. 26 View FIGURES 20 – 26 ). Subhyaline; with brown infuscation subapically from costa into apex of cell r4, fading posteriorly; vein R4 slightly curved upward, ending in C slightly beyond end of R1; veins M2, CuA1, CuA2, and A1 not reaching wing margin.
Abdomen. Tergites I–II black with dense recumbent black hairs; tergite III black with yellow color basally, predominantly black tomentose; tergites IV–VIII predominantly yellowish orange with black tomentum, tomentum becoming sparser on posterior segments.
Hypopygium (Fig. 43). Gonocoxites grayish brown. Gonostyli subtriangular in shape, dark brown, with stiff black setae, apex darkly sclerotized with two black teeth fused into a single bifid tooth.
FEMALE. As in male except for generally paler brown coloration of occiput, mesonotum and abdomen. The cerci ( Fig. 10 View FIGURES 7 – 10. 7 ) are small and barely exserted from the terminal abdominal segments.
Types
Holotype ♂ (16,601) and paratype Ψ from: VIETNAM: 6 km S Dalat, 1400–1500 m, 9 Ju–n 7 Jul 1961, N.R. Spencer. Other paratypes: VIETNAM: 3♂, Fyan, 900–1000 m, 11 Jul–9 Aug 1961, N.R. Spencer. Holotype and paratypes in BPBM.
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