INSECTS AFFECTINC I'AKK AND \VO(JDI.ANI) [KEES 5!! 



A l)la( k-hc;ulud, velvety lilai :k caterpillar, usually with a consiiiciious soniewliat hroken 

 suhdorsal vellow stripe and another aloni; tlie stit;niatal line, occurs in the lall on 

 l)oplar, willow and other trees and shrubs 



Smeared dagger moth, A pale la ohlinita, ]». 560 



A black, yellow-striiied larva about i '4 inches long, feeds in the folded, webbed-together 



leaves of poplars and willows. . . Po[)lar tent maker, Melalopha i n < I u s a, p. 560 



A yellowish sawtly larva occurs on willow 1' t e r o n u s ni e n d i c u s, p. 561 



A i)lack-headed, light green sawtly larva on willow P t e r o n u s o d o r a t u s, ]\ 562 



A striped, rather stout, black and yellow beetle about '4 incii long, occurs in June on willow 



Willow flea beetle, D i s o n y c h a c a r o I i n i a n a, p. 565 

 A reddish, black-spotted beetle about ,'4 inch long, feeds during the summer on willow 



leaves Spotted willow leaf beetle, M e 1 a s o m a lap p o n i c a, p. 564 



A yellowish, black-marked, hemispheric beetle j^ inch long, feeds the latter part of the 



summer on willows and hard pine Clirysomela b i g s b y a n a, p. 566 



A dull red leaf beetle about J4' inch long, feeds on willow 



Dull red willow leaf beetle, G a 1 e r u c e 1 1 a decor a, p. 566 

 A small, brownish, long-snouted beetle thickly clothed with golden and brownish pubes- 

 cence, occurs in considerable numbers on willow in early sp-ring 



E 1 1 e s c h u s e p h i p p i a t u s, p. 567 

 Orange-yellow, black-spotted larvae about V,o inch long, feed side by side on the foliage 

 of poplars in early June.. . . I'oplar sawfly, T r i c h i o c a m p us v i m i n a I i s, p. 56S 

 Black-headed, bluish or leaf-green sawflies feed on the edge of jioplar leaves 



1' t e r o n u s h u tl s o n i i, p. 569 

 A greenish, solitary edge-feeding sawfly on po|)lar. . Pteronus v e r t e b r a t u s, ]>. 570 

 Yellowish, black-s|)otted sawflv larvae feed duriuL' August and Septemlier on birches 



1 1 v 1 o t o ni a |» e c t o r a 1 i s, |). 570 

 .\ brown-headed, greenish solitary sawfly lar\a feeds on the \inderside of birch leaves 



N e m a t u s u n i c o 1 o r, p. 571 

 Brown-headed, jjurplish solitary or jjartly gregarious sawfly larvae o<-cur on white birch 



I' t e r o n u s 1 a t i f a s c i a t u s, ]i. 572 

 A black-headed, greenish sawfly larva feeding gregariously on the edges of alder lea\es 



.V m a 11 r o n e m a 1 11 s 1 11 t e o t e r g u in , ]). 572 

 Deep Prussian blue, rounded flea beetles about 'Z, inch long, or dark brown, black-headed, 

 black-tubercled larvae occur in large numbers on alder 



.Mder flea beetle, H a 1 t i c a b i m a r g i n a t a. p. 573 



Peculiar, thimblelike rolls of leaves on alder, hazel and sumac may be the work of this 



species A t t e 1 a b u s r h o i s, p. :;74 



