LEPIDOPTERA (Moras AND BUTTERFLIES). 



The millers, moths, and butterflies are grouped together 

 as Lepidoptera, and all agree in having four membranous 

 wings covered with dust-like scales, in having a long suck- 

 ing "tongue " formed of the two maxillae, and in having 

 a complete metamorphosis (p. 188) in which there hatches 



FTO. 84. Army- worm, larva of Leu- FIG. 85 . Pupa of a Bombycid 

 cania unipuncta, showing five (pairs moth a, antenna; Z, first pair 

 of) abdominal legs. of legs ; w, wings. 



from the egg a worm-like larva. This stage is commonly 

 known as a caterpillar or "worm," but it differs from all 

 true worms in having legs, and those who wish to call 

 things by their true names should never speak of them as 

 worms. These larvae always have sharp jaws and simple 

 eyes, and are provided with from eight te sixteen legs. Of 



m 



