394 



ECONOMIC INSECTS 



scavenger beetle, carrion beetle and lady-bird beetles. Some of 

 the' destructive members of the order are May beetles (June bug) , 



carpet beetle apple tree 

 borers (Figs. 276 and 277), 

 many other wood borers, 

 corn stalk borer, potato 

 beetle, pea-weevil (Fig. 

 278) , blister beetle, clover 

 leaf -beetle, plum-curculio, 

 cotton boll-weevil, chest- 

 nut weevil and many 

 others. The mouth parts 

 FIG. 274. Chinch-bugs of the adult (left) and of all of these are suited 



young (right) forms. (Economic Entomology). to biting, both during the 



larva stage and the 

 adult stage. The met- 

 amorphosis is com- 

 plete. 



Lepidoptera (scaly 

 winged) , all butterflies 

 and moths. . The most 

 noted beneficial mem- 

 ber of this order is the 

 silk- worm moth. The 

 common injurious re- 

 presentatives are cab- 

 bage butterflies (Fig. 

 279), apple worm, or 

 codling moth, tomato 

 worm, or hawk moth, 

 peach tree borer, tent- 

 caterpillars, the fall 

 web-worm, tussock 

 moth, gypsy moth, 

 bag-worm, cut-worm, 

 army -worm, cotton - 

 worm, corn ear-worm, 

 canker-worm, clothes 



moth, and grain moth 



/TT c\or\\ rnu 



(Flg. 280). Themeta- 



morphosis is complete. 



FIG. 275. The San Jose scale attacks leaves 

 twigs, and fruits of many kinds and often de- 

 troys whole orchards if not held in check by 



5Cale enlarged at "' (Ec - 



