i 



EXPLANATION OF PLATES 



(All figiir'es made by the author) 



Plate 1 



habitus of i-arvae 



Fig. 1. Monocesta coryli Say — Third iustar. Dorsal view. 



2. Monoccsta coryli Say — Third instar. Lateral view. 



3. Trtrhal)(ki canadensis Kirby — Third in.star. Dorsal view 



4. GalcrueeUa luteola Miiller — Third instar. Dorsal view. 



5. Galerucella luteola Miiller — Third instar. Ventral view. 

 G. Lochmaea caprcae Linnaeus — First instar. Lateral view. 

 7. Monoxia pmicticolUs Say — Third instar. Lateral view. 



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