C4L. 



FIG. 241. Microweisea misella, a small black ladybird-beetle which 

 feeds on scales. (All greatly enlarged) 



a, beetle; 6, larva; c, pupa; d, blossom end of pear, showing San Jose scales upon which 



the beetles and their larvae are feeding, and pupae in the calyx. (After Howard and Marlatt, 



United States Department of Agriculture) 



a 



FIG. 242. The squash ladybird-beetle 



a, larva ; 6, pupa ; c, adult beetle (three times natural size) ; d, egg (four times natural size) ; 

 *, surface of egg (highly magnified). (After Chittenden, United States Department of 



Agriculture) 

 164 



