62 



NATURAL HISTORY OF INSECTS. 



that is the Haustellate Orders. If it is provided with four 

 wings covered with scales, and the mouth parts are formed for 

 sucking (as in Fig. 178), it belongs to the Order Lepidoptera, 



Fig. 178. 



as this is the only order of insects having four wings covered 

 with scales and a mouth formed for sucking. 



