HOW TO KNOW THE IMMATURE INSECTS 



ORDER NEUOPTERA 



la. Mouth parts chewing type. Fig. 385 2 



Fig. 385. Dorsal 

 aspect of head. 



lb. Mouth parts mandibulo-suctorial type. 

 Fig. 386 4 



2a. Abdomen with lateral filaments 



(see Fig. 389) 3 



Fig. 386. Mandibulo- 

 suctorial type mouth 

 ports. 



2b. Abdomen without lateral filaments. 

 Fig. 387 



FomUy RAPHIDIIDAE 



There are 10 species described in the United States, 

 and 12 species in Europe. Raphidia hermandi Navas 

 is known in Japan. The adults are called snakeflies. 

 The larvae are found under bark and they are com- 

 mon in California under loose bark of the eucalyptus. 

 They are predacious and believed to be beneficial. 



Fig. 387. Rophi- 

 dia eblita Hogen. 



140 



