KEY TO THE ORDERS 



297 



EE. Antenna? not spindle-shaped, nor prismatic. 



F. Tarsi as short as tibia, hairy; stoutly built 

 moths. Wing venation according to figure. ( Fig. 

 222.) Notodontidae. 



(Proininents.) 

 FF. Tarsi long and naked; slightly built moth-. 



Wing venation according to figure 224. 



G-eometridae. 



( Measuring-Worms. ) 



DD. Frenulum absent ; humeral angle of hind wing 

 extended forward under front wing; proboscis absent, 

 legs without spurs. K<itnniii<l<i<: 



(Cecropia Moths and others.) 



FIG 226. Wings of an Arctiid, showing venation. (After Comstock.) 



CC. Vein IV 2 of front wing arising from IV 3 or si a tiding 

 nearer IV 3 than IV^ ocelli present: antennae bristle or 

 thread-like; night- flying moths. (See Figure 225 for 

 venation.) 



D. Vein II of hind wing distinct from vein III or united 

 for but a very short distance near base of wing. (See 

 Figure 225. ) Generally chill-colored moths. 



Noctuidae. 



(Owlet Moths.) 



DD. Vein II of hind wing united with III for a consid- 

 erable distance from base. (See Fig. 226.) In many 

 cases these moths are conspicuously striped or spotted. 



Arctiidae. 



(Tiger Moths.) 



