THE ELM-LEAF BEETLE IN NEW YORK STATE 35 



EXPLANATION OF PLATES 



Plate I 



Fig. 1 Elm leaves showing eggs and work of young larvae. 



Fig. 2 Elm -leaf beetle (x2). 



Fig. 3 Vertical and lateral view of eggs, very much enlarged. 



Fig. 4 Young larva, very much enlarged. 



Fig. 5 Full grown larva (x5). 



Plate I a 



Fig. 1 Foliage of European elm showing method of work of 



beetle and larva — natural size. 



Fig. 2 Adult beetle. 



Fig. 3 Egg mass. 



Fig. 4 Young larva. 



Fig. 5 Full-grown larva. 



Fig. 6 Mouth parts o.f full-grown larva. 



Fig. 7 Pupa. 



Plate 2 



Work of elm-leaf beetle on Elm street, Albany, taken 15 June, 

 1898. 



Plate 3 



Work of elm-leaf beetle on Jacob street, Troy, taken 15 June, 



1898. 



Plate 4 

 Power spraying outfit at work in Albany, taken 15 June, 1898. 



Plate 5 



Hand spraying outfit at work in Albany, taken 15 June, 1898. 



