ACAETEUUS. 335 



apical bristle. Proboscis porrect, horizontal : palpi linear. Legs 

 simple ; hind femora not incrassated or spined below. Wings 

 with 2nd longitudinal vein originating from near base of 1st vein ; 

 basal cells subequaL 



Range. Only three species were till recently known, from India 

 (palUpeg)) Java, and South Africa, respectively. 



The two Indian species may thus be separated : 



Larger species, 47 to o mm. ; wings clear . . pallipes, Bezzi. 

 Smaller species, 3 mm. ; wings brownish . . fuscipennis, Brim. 



265. Acarterus pallipes, Bezzi. 



Acarterus pallipes, Bezzi, Ann. Mus. Hung, ii, p. 335 (1 904). 



<$ 2 . Head : " Eyes large, flattened above, upper facets dis- 

 tinctly larger than lower ones ; ocellar tubercle large, with two 

 bristles ; occipital margin with short fine hairs. Proboscis hori- 

 zontal, moderately long, acuminate, shining yellow, darker at base; 

 palpi rather small. Antennae short, wholly clear yellow ; 3rd 

 joint rounded, somewhat acuminate in front, with a very fine 

 long bristle above near base ; arista nearly subapical, long, fine. 

 Tliomx moderately arched, hump-backed, black ; humeral calli 

 and from wing-base to scutellum dirty yellow, not shining; in 

 certain lights a light reddish tomentum is visible ; the somewhat 

 long acrostichal bristles arranged in four rows ; some long hairs 

 posteriorly ; scutellum with 10 to 12 dusky yellow bristles on 

 hind margin ; halteres large, with brown clubs ; squamae yellow, 

 with a white fringe. Abdomen acuminate, velvet-black, quite 

 opaque, with rather long pale hairs ; male genitalia small, but of 

 chai-acteristic shape ; the two lateral lamellae forming a kind 

 of forceps, with the branches bent inwards towards the tip. Leys 

 all clear yellow, with the tarsi not darkened, not even at the tip, 

 but only the claws black, and rather long and slender; hind 

 femora not at all incrassate, without bristles or long hairs, bearing 

 only short, fine pubescence. Wings clear, a little yellowish at 

 base ; stigma elongate, moderately pale, especially in $ ; veins 

 pale yellow." 



Length, 4 - 7-5 mm. ; wings, 3'9-4 mm. 



Two males and a female from Bombay, 18. vii. 1902. 



Types in the Hungarian MusQum. 



266. Acarterus fuscipennis, Brim. (PI. IV, fig. 5.) 

 Acarterus fuscipennis, Brunetti, Rec. Ind. Mus. is, p. 21 (1913). 



c? . Head with eyes wholly contiguous, the upper facets much 

 larger than the lower ones, bright reddish brown; proboscis 

 reddish yellow, as long as the height of the head ; palpi brownish 

 yellow, very small : antennae brownish, with long arista; back of 

 head blackish. Thorax dull black, highly arched, with a few 

 hairs ; a few lateral long stiff hairs, also some towards posterior 



