Poplar and willow insects 

 Poplar tent maker, Melalopha inclusa Hubn. 



1 Larva on its nest 



2 Moth of same 



Elm sawfly, C i m b e x a m e r i c a n a Leach 



4 Larva 



5 Adult of same 



6 Cocoon 



Mottled willow borer, C r y p t o r h y n c h u s 1 a p a t h i Linn. 



7 Portion of willow branch cut to show work 



8 Adult, dorsal aspect 



9 Shrunken, discolored area over larval galleries 



Puss moth, Harpyia sp. 



10 Side view of larva 



1 1 Eggs 



I 2 Cocoon from which moth has emerged 



Sesia albicornis Hy Ed. 



13 Pupal cases 



Cottonwood leaf beetle, Melasoma script a Fabr. 



14 Eggs ■ . 



15 Full grown larva 



16 Group of larvae 



17 Young larvae 



18 Beetles or "hard shells" showing variation in marking 



19 Pupa or "hanger" 



20 Badly eaten leaves showing characteristic method of feeding 



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