NEUROPTERA. 425 
_ (Fig. 405) have mandibles adapted for suction. They watch for 
insects under heaps of stones, and spring upon their prey. 
The first states of the Nemoptera* (Fig. 407) are as yet little 


Fig. 403.—Myrmeleo libelluloides. 
known. They are insects with wings spotted with yellow and 
black, the lower ones almost linear, and are met with in southern 
countries, and but very rarely in the south of France. 
* From yypa, a thread, and wrepov, a wing. 
