338 



Orthorrhapha brachycera. 



dark or brownlsh stripe, which again has a greyish, soniewhat inter- 

 rupted stripe along the middle line, so that narrow, approximated, 

 dark stripes are formed; the disc is somewhat greyish pruinose. 

 Pleura greenish, æneous or coppery, somewhat greyish yellow pruinose; 

 propleura with three or four strong, black prothoracic bristles. Ab- 

 domen green or æneous, with coppery reflexes, grey pruinose along 

 the side margin; it is thinly clothed with short, black hairs, longer 

 and yellowish at the sides of the first two segments; no hindmarginal 

 bristles. Venter grey pruinose, with pale hairs. Hypopygium blackish, 

 grey pruinose; the eighth segment with a long thread of coalesced 

 hairs at the apical margin; the outer lamellæ triangularly lancet- 

 shaped, grey, pale-haired. The subanal appendages white or yellowish 

 white, broad and somewhat band-shaped, at the upper apical corner 

 with a curved process, a little dilated towards the apex; they have 

 long white hairs on the inside at the base and along the margin. 

 Legs metallic æneous, greenish or bluish, tarsi black; coxæ densely 

 grey pruinose, femora and tibiæ a little pruinose. The legs have 

 short, black hairs, coxæ a little pale-haired ; front coxæ with some 

 bristles anteriorly, longest towards the apex, hind coxæ with a pair 

 of small bristles on the outside; front femora thickened towards the 

 base, with a row of long and strong spines below, and with rows of 

 short spines on the anterior side; front tibiæ with a large, bifid tooth 

 on the antero-ventral side above the middle, and at the apex pro- 

 longed ventrally into a long tooth; on the space between the teeth 

 are long bristles, and anteriorly to them a row of short bristles; the 

 posterior femora long, they have some shorter and longer bristles on 

 the various sides in various piaces; the middle tibiæ are somewhat 

 dilated at the apex and have above the apex on the ventral and 



Fig. 105. Wing of S. notatus c?. 



posterior side a large tuft of curled hairs, and above this a long 

 bristle, and the middle metatarsus has long, bristly hairs below ; the 

 hind tibiæ have a strong, curved apical spine below; besides the 

 posterior tibiæ have various shorter and longer bristles. Wings some- 



