372 CONOPIDvE. 



call it thus) is absent, but it is present in orientalis and in several 

 undescribed species in the British Museum, though it is often 

 rudimentary. The distance from the base at which the proboscis- 

 is geniculated varies with the species, being distinctly after the 

 middle in orientalis, and at about the middle in tlie two or three 

 African species in the British Museum, 



292. Stylogaster orientalis, sp. nov. 



S . Mead : eyes separated at vertex by nearly one-third the 

 width of the head, but by only half this width at level of anteunfe. 

 Vertex with a long black erect bi'istle on either side placed near 

 the corner of the eye. Frons shining black, with a broad, dark 

 brown, velvet-like stripe on each side, these stripes being them- 

 selves very narrowly mai-gined by a narrow pale line on either 

 side. Ocelli very small, placed near the absolute vertex. Face 

 and lower part of head yellowish-white; mouth-opening very 

 large. Proboscis three to four times the height of the head,, 

 geniculated be}ond the middle, black; extreme base, and the 

 divided curled tips, yellowish-white. Autennse with 1st joint 

 short, rather thick ; 2ud elongated, broader at tip, 3rd elongate- 

 oval, very large, with subapical, black, bare arista. Antennae 

 brownish-yellow, with an oblique brown streak on the inner side 

 of the 3rd joint, and the tip also barely darker. Occiput blackish. 

 Thorax: dorsum and scutellum blackish; humeri and rest of 

 thorax yellowish-white. Several bristles behind, one in front 

 of and one below, the wing-base. Scutellum with two long apical 

 bristles. Abdomen brownish-yellow, 1st and last segment wholly 

 black on dorsum, remainder of segments with a broad black band 

 on hind margin. Under side and genitalia pale yellow. Genitalia 

 in general construction as in S. complexa, Big., from Natal ; 

 ventral plate less bowl-shaped, much smaller, shortly bifid at tip ; 

 the long, slender horiiy processes much ujore curved, the clavate 

 processes and the median organ somewhat similar though smaller. 

 Leys : anterior pairs pale whitish-yellow ; tarsi rather darker 

 towards tips. Hind legs much longer, hind coxae and femora dis- 

 tinctly enlarged, the latter mucli narrowed at the base, blackish 

 above, the colour interrupted transversely in the middle; tibiae 

 (which are enlarged towards the tips) dirty pale yellow ; tarsi black. 

 All the legs apparently bare, the minute pubescence only visible 

 under considerable magnification. Tr^ir/s pale grey ; venation in 

 accordance with generic characters; halteres with pale yellow 

 stems and comparatively large black clubs. 



Length, 6 mm. (measured along curve of abdomen). 



Described from a perfect 6 in the Indian Museum from Param- 

 bikulam, Cochin State, 1700-3200 ft., 16-24. ix. 1914 {type) 

 (F. Gravely); a second 6 in the same collection from above Tura, 

 (laro Hills, Assam, 5500-3900 ft., 15. vii-30. vih. 1917 {Kemp); 

 and a third <S in the British Museum from Pundaluoya, Ceylon 

 {Green). 



