ATTACKING THE LEAVES. 



47 



It is a little more than one-third of an inch long (see Fig. 

 37), with a three-sided body, black, varied with chestnut- 

 brown, with a large white spot on each side, which extended 

 forward becomes a band across the front. There is also a 

 white band across the hind part of its back, and a protuber- 

 ance extending upwards on the front part of its body. 



ATTAOKINa THE LEAVES. 



No. 20. — The Apple-tree Tent-caterpillar. 



CUsiocampa Americana Harris. 



This insect is a native of the more northern Atlantic States, 

 and has probably been carried westward in the egg-state at- 

 tached to the twigs of young trees. It inhabits now almost 



Fig. 38. 



all parts of the United States and Canada. The moth is of 

 a pale dull-reddish or reddish-brown color, crossed by two 

 oblique parallel whitish lines, the space between these lines 

 being usually ])aler than the general color, although some- 

 times quite as dark, or darker. In the male (Fig. 38) the 

 antennae are pectinate, or feather-liUe, and slightly so in the 

 female (Fig. 39). When fully expanded, the wings of the 

 female will measure an inch and a half or more across; the 

 male is smaller. The hollow tongue or tube by which moths 

 and butterflies imbibe their food is entirely wanting in this 

 species ; hence it has no power of taking food, and lives but 

 a very few days in the winged state, merely long enough to 



