302 GENUS HEPTAMELUS. 



either end ; the second cubital cellule is a little longer 

 than the fourth ; the third is smaller than either, is 

 narrow at the base, wider and angled where the trans- 

 verse radial and second recurrent nervures are received, 

 namely, a little before the middle of the cellule, and 

 nearly opposite each other ; the apex is wider than the 

 base, but is not dilated. In the transverse radial and in 

 the two transverse cubital nervures, is a bulla which 

 occupies the greater part of the nervures ; there is a 

 small one at apex of first recurrent, and which extends 

 to more than half of the third cubital cellule along the 

 cubital nervure, and a larger one is on the second 

 recurrent. The accessory nervure in hind wings is 

 longly appendiculated. The recurrent and transverse 

 cubital nervures are received close to each other, almost 

 united. 



The sutures on the vertex are deep, but do not reach 

 to the back of the head. The ocelli form a triangle 

 and the lower one is situated in a deep depression. 

 Below each of the antennae is a deep, but not very 

 large fovea. The clypeus is small and shortly incised. 

 The palpi are long, the labial four and the maxillary 

 six-jointed. The first joint of the latter is small, the 

 second much longer, and a little longer than the third, 

 which is about the same length as the fourth ; the 

 fifth is shorter than the fourth ; the sixth is nearly as 

 long as the second. The mandibles are short, thick, 

 the apical joint acute, and there is a short, sharply 

 projecting subapical tooth, which is clearly separated 

 on either end. The sutures on the mesonotum (includ- 

 ing that in centre of middle lobe) are deep; the 

 scutellum is widest in the middle, the base being more 

 angled and narrower than the apex ; the sutures 

 bounding it are deep and wide. The legs have the 

 calcaria of moderate length; the claws are almost 

 bifid; the metatarsus is as long as the succeeding 

 joints together; the tarsi are a little longer than the 

 tibias ; the patellae are absent. The sheath of the saw 

 largely projects. 



