11 



Fig. 3.— The imported elm leaf-beetle (Oalerucella luteola). a, foliage of European elm showing 

 method of work of beetle and larva— natural size; 6, adult beetle; c, egg mass; d, young larva; e, 

 full-grown larva; g, pupa— all greatly enlarged; /, mouth parts of full-grown larva— still more 

 enlarged (original). 



