THE BEETLES 



155 



the outer margin of the wings, and the full-grown larvae are half 

 an inch long, orange-yellow, with numerous black tubercles. The 







FIG. 222. The elm leaf-beetle 



/, cluster of eggs; /a, single egg; 2, newly hatched larva; j, full-grown larva; 4, pupa; 

 3, overwintered beetle ; 6, newly transformed beetle ; 7, leaf showing work of grubs and a few 

 holes eaten by beetles ; 5, leaf nearly skeletonized by larvae ; 9, leaf showing holes eaten by 

 beetles. (All enlarged except 7, 8, 9, which are slightly reduced.) (After Felt) 



