426 THE INSECT WORLD. 
‘The Hemerobii, to which are given by the French the name 
of Demoiselles terrestres, or Land Dragon-Flies, are very small 

Fig. 404,— Larva of Fig. 405.—Larva Fig. 406.— Ascalaphus meridionalis. 
Myrmeleo libelluloides of Ascalaphus. 
delicate insects, of an apple-green colour, with golden red eyes. 
These insects leave on the fingers, when seized, an offensive odour. 

Fig. 407.—Nemoptera Coa. 
Réaumur calls them Lions des pucerons (Plant-Lice Lions), because 
their larvee, which resembles the larvee of the ant-lions, and which 
live on plants, feed on plant- - 
lice. They attack ,also cater- 
pillars. Their mandibles are 
provided with a canal for suc- 
tion, like those of the foregomg 
species. 
Fig. Soak maculatus. The ins ects of th e genus 
Osmylus (Fig. 408) are rather rare; but may be found in the 
month of August in the shrubs which border ponds. They also 
belong to the Hemerobide. Their larvee live in wet ground. 

