306 INSECTA SAUNDERSIANA. 
6b. Prebrachial yein forming a hardly acute angle at its flexure. 
fusiformis, dorsalis, muscaria. 
bb. Prebrachial vein forming a right angle at its flexure, joining the 
cubital vein. 
notata. 
bb6b. Prebrachial vein forming an almost right angle at its flexure. 
canescens. 
66660. Prebrachial vein forming a slightly obtuse angle at its flexure. 
postica, basalis? 
bbb 6bb. Prebrachial vein forming an obtuse angle at its flexure. 
c. Sixth joint pubescent along half the length. 
longa. 
cc, Sixth feeler-joint feathered with short hairs. 
convexa. 
ecc. Sixth feeler-joint feathered with rather long hairs. 
subcompressa. 
bbb 6bbb. Prebrachial vein forming a very obtuse angle at its flexure. 
ce. Sixth feeler-joint bare, 
pedestris. S 
ec. Sixth feeler-joint feathered. 
d. Legs of moderate length. - 
e. Sixth feeler-joint feathered with short hairs. 
angusta, australis. 
ee. Sixth feeler-joint feathered with moderately long hairs. 
plana. 
dd. Legs long. 
tenuipes. 
66bb66bb. Prebrachial vein forming a curve at its flexure. 
semipicta, suffusa. 
aa. Proboscis long. 
b, Prebrachial vein forming a slightly obtuse angle at its flexure. 
albifrons, insolita. 
b b. Prebrachial vein forming a very obtuse angle at its flexure. 
4-maculata. 
eee eee 
