216 



Orthorrhapha brachycera. 



black, third joint large, broader than long. Thorax green when seen 

 from in front or from above, but when seen from behlnd it is cyaneous 

 blue; it is a little brownish pruinose, shining; tlie acrostichal hairs 

 very small and indistinct. Pleura green, greyish pruinose; propleura 



Fig. 69. Antenna of C. laesus d, from the inside. X HO. 



with two or three white prothoracic bristles. Abdomen cyaneous blue, 

 only down the sides dark green ; it is clothed with short, black hairs, 

 and has short hindmarginal bristles, only a little longer on the first 

 segment. Venter green, with blackish or brown hairs. Legs black, 

 coxæ somewhat grey, front coxæ greyish white pruinose anteriorly, 

 sometimes a little brownish at the tip, and the trochanters a little 

 pale; femora somewhat metallic green shining, the knees yellowish 

 or the hind knees brownish; tibiæ and tarsi blackish or brownish 

 black. The legs have short, black hairs, front coxæ with distinct, 

 longish, white hairs ; the bristly hairs on the femora somewhat small, 

 arranged as usual ; front tibiæ without distinct bristle, middle tibiæ only 

 with two or three very small and indistinct bristles; hind tibiæ with two 

 dorsal rows of bristles, and with a short and indistinct ciliation. Wings 



Fig. 70. Wing of C. laesus c?- 



somewhat greyish or brownish tinged, most towards the anterior 

 margin; veins somewhat strong, blackish; discai vein with a very 

 small bend; posterior cross-vein about in the middle of the wing, not 

 much less than half as long as the apical part of the postical vein. 

 Squamulæ brownish yellow, with a brownish fringe. Balteres yellow. 



