THE WINGS OF CHRYSOPID^ 



191 



designation of these two veins is a happy one and I gladly adopt it with one 

 slight change. As the pseudo-cubitus really appears to be vein Cui, I 

 make use of the notation Cu/ instead of Cu'. 



^'*-4Afj 



+- ^5 /?4 Ri ^" 



Fig. 185. — Diagram of the wings of Chrysopa nigricornis showing 

 coalesced veins slightly separated. 



Fig. 186. — Wings of Chrysopa nigricornis. 



An examination of the tracheation of the wings of a pupa of Chrysopa 

 reveals the nature of the two serial \'cins pseudo-media and pseudo-cubitus. 



