SYSTROPUS. 



291 



[p. 291 , 

 opJtioneus, Westw., 



Table oj Species. 



Hypopleura black, with distinct grey pubes- 

 cence. 

 Frons distinctly wider below than above ; 



a yellowish spot on posterior calli .... 

 Frons with nearly parallel sides ; no pale 



spot on posterior calli , edwardsi, sp.n., p. 294 



Hypopleura practically bare, yellow on an- 

 terior half, black posterior]3% 

 Thorax mainly yellow, with a heart-shaped 



median black spot with short anterior 



stripe, two spots toward humeri, and 



a cuneate one at base of wing; occiput 



yellow ; hind tibiae yellow, a brown 



stripe on outer side and subapical 



blackisli ring ; halteres yellow 



Thorax mainly black, with yellow marks ; 



occiput black, a little grey-dusted ; hind 



tibia3 black, base narrowly brownish 



yellow, tips broadly yellow ; halteres 



with club black, narrowly vellow- 



[p. 294. 

 eumeiioides, Walk., 



bordered Jlavipleura, sp. 



fp. 295. 



229. Systropus ophioneus, Westiv. 



St/sfropfis ophio7ieiis, Westwood, Trans. Ent. Soc. v, p. 233, pi, xxiii, 



fig. 6 (1849) ; id., op. cit. p. 574 (187G). 

 SustrojjHs mi(/ricaudus, Brunetti, Rec. Ind. Mus. ii, p. 483 (1909). 



c? $ . Head with vertex reduced almost to a point; eyes black 

 bare, contiguous for rather more than half the distance from the 



Fig. 21. — Sijstropns ophioneus, Westw. 



vertex to the antennae, gradually diverging until at the mouth- 

 border they occupy nearly one-third the width of the head • 



tJ2 



