Isoneuromyia matilei Evenhuis

Evenhuis, Neal L., 2006, New species of Isoneuromyia Brunetti (Diptera: Keroplatidae) from the Oriental Region, Zootaxa 1140, pp. 1-29 : 19-20

Isoneuromyia matilei Evenhuis , n. sp.

( Fig. 14 )

Description

MALE. Lengths: Body: 7.8 mm; wing; 6.0 mm.

Head. Vertex and occiput black; with admixture of small recumbent black hairs and pale tomentum. Ocelli in horizontal line. Frons dark brown medially, yellowish brown laterally, bare. Antennae dark brown. Face dark brown, with a few brown hairs laterally. Palpi and proboscis dark orange.

Thorax. Mesonotum brownish yellow with three black stripes ( Fig. 14 ), medial stripe extending anteriorly to pronotum. Scutellum yellow, brown basomedially as extension of medial mesonotal stripe. Mesonotum with uniformly distributed recumbent yellow tomentum dorsally, patch of thick black setae above wing root, on postalar calli, and on posterior margin of scutellum. Prescutellar area flared at postalar calli. Pronotum yellow medially, pronotal lobes dark brown with dense black setae. Pleura (except yellow laterotergite) and mediotergite dark brown, bare. Halter yellowish orange.

Legs. Coxae yellow with spot of brown basally, yellow tomentose, with black hairs apically. Femora brown basally, yellow apically, hind femur dark brown, all femora with yellow tomentum and hairs. Fore tibia with reddish brown tibial pecten apically. Tibial spurs yellow. Basitarsi slightly longer than respective tibiae. Claws minute.

Wing. Subhyaline anteriorly along costal margin, becoming more clear posteriorly; vein R4 straight, ending in C slightly beyond end of R1; veins M2, CuA1, and A1 not reaching wing margin.

Abdomen. Tergites I–II yellow basally, brown apicomedially, dense recumbent black hairs on posterior portion of segments, bare basally; tergites III–VII orange with scattered black tomentum on tergite III, otherwise scattered yellow tomentose; tergite VIII brown, densely yellow pilose. Sternum patterned as on tergites.

Hypopygium. Not dissected. Gonocoxites and gonostyli grayish brown, densely fine yellowish brown pilose, apex with two dark black teeth.

FEMALE. Unknown.

Types

Holotype ♂ (BPBM 16,593) from: MALAYSIA [Borneo]: Sabah: Forest Camp, 19 km N. Kalabakan, 60 m, 17 Nov 1962, K.J. Kuncheria.

Figures

FIGURES 11 – 19. Isoneuromyia thoraces, dorsal view. 11. I. brunettii, n. sp. 12. I. flava, n. sp. 13. I. glabra, n. sp. 14. I. matilei, n. sp. 15. I. nigribasis, n. sp. 16. I. pallidopsis, n. sp. 17. I. splendida, n. sp. 18. I. xanthina (Edwards). 19. I. yorki, n. sp.