136 SYRPHID^. 



bearing strong bristles, or with a general row of numerous bristles 

 on hind margin, this system apparently slightly varying with the 

 species. Abdomen shortly oval or a little narrowed at tip, very 

 arched, thick, softly pubescent. Legs comparatively short and 

 weak, never incrassated nor in any way armed. Wings of normal 

 size, but venation unique in the whole family owing to absence o£ 



Fig. 29, — Grapoinyza hrevirosfris, Wied., $ . 



the " spurious vein " ; 3rd aiid 4th longitudinal veins bent sharply 

 upwards towards tips, generally at a right or acute angle, the 

 apical section nearly or quite straight. Anal angle of wing and 

 alulae well developed ; squamae of normal size, with fringes. 



Range. The Orient; also one species each from Sierra Leone, 

 East Africa, and Natal. De Meijere gives a table of seven 

 Oriental species, with notes. 



Tahh of Species. 



1. Arista bare or practically so 2. 



Arista conspicuously plumose 4. 



2. Wings marked 3. 



Wings unmarked Jlavonotata, Bruu., p. 137. 



3. Band on 2nd and 3rd abdominal seg- 



ments in the form of a hind marginal 

 belt, slightly narrowing towards sides, 

 with anterior edge extended forward in 

 middle and towards (but not actually at) 

 side margins, thus forming three obtuse 



triangles bi'evirostris, Wied., p. 138. 



Band on 2nd, Srd and 4th abdominal seg- 

 ments in the form of a hind marginal 

 belt, slightly narrowed towards sides, 

 and with a short median linear stripe 

 connecting it with front border of seg- 

 ment tinctovittata,'RY\\\\., p. 139 . 



4. Wings marked longirostris, Wied., p. 140. 



Wings unmarked 5. 



