SYSTItOPTJS. 



291 



[p. 291. 

 ophioneus, Westw., 



294. 



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 



Hypopleura practically bare, yellow on an- 

 terior half, black posteriorly. 

 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 



blackish ring ; halteres yellow ...... 



Thorax mainly black, with yellow marks ; 



occiput black, a little grey-dusted ; hind 



tibiae black, base narrowly brownish 



j r ellow, tips broadly yellow ; halteres 



with club black, narrowly yelloAv- 



bordered Jlavipleura, sp. 



[p. 294. 

 eumenoides, AValk., 



[p. 29c 



229. Systropus ophioneus, Westw. 



Systropus ophioneus, Westwood, Trans. Ent. Soc. v, p. 233, pi. xxiii, 



fig. 6 (1849) ; id., op. cit. p. 574 (1876). 

 Systropus migricaudus, Brunetti, Rec. Ind. Mus. ii, p. 483 (1909). 



c? 5 . Head with vertex reduced almost to a point; eyes black, 

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



Fig. 21. — Systropus ophioneus, Westw. 



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

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



u2 



