INSECTS AFFECTIXC PARK AM) WOOUl.AM) TREES 



5'i 



A black-headed, velvety black caterpillar, usually with a conspicuous somewhat liroken 

 subdorsal yellow stri|)e and another along the stigmatal line, occurs in thi- tall <>n 

 poplar, willow and other trees and shrui)s 



Smeared dagger moth, A pa tela o b 1 i n i t a, |». 500 



A black, yellow-stri])ed larva about i '4 inciies long, feeds in the folded, webbed-together 



leaves of poplars and willows. . . Poplar tent maker, M e 1 a 1 o p ha i n c 1 u s a, p. 560 



A yellowish sawfly larva occurs on willow P t e r o n u s m e n d i c u s, ]). 561 



A black-headed, light green sawfly larva on willow P t e r o n u s o d o r a t u s, p. 562 



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



Willow flea beetle, D i s o n y c h a c a r o 1 i n i a n a, p. 563 



ATeddish, black-spotted beetle about 'X 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, [). 564 



A yellowish, black-marked, hemisi>heric beetle }( inch long, feeds the latter part of the 



summer on willows and hard pine C h r y s o m e 1 a b i g s b y a n a, p. 566 



A dull red leaf beetle about }{ inch long, feeds on willow 



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

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

 cence, occurs in considerable numbers on willow in early spring 



E I I e s c h u s e p h i p p i a t u s, ]>. 567 

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

 of poplars in early June. . . . Poplar sawfly, T r i c h i o c a m p u s v i m i n a 1 i s, p. 568 

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



Pteronus h u d s o n i i, p. 569 

 A greenish, solitary edge-feeding sawfly on poplar . . Pteronus v e r t e b r a t u s, p. 570 

 Yellowish, black-spotted sawfly larvae feed during August and .September on birches 



H y I o t o m a p e c t o r a I i s, p. 570 

 A brown-headed, greenish solitary sawfly larva feeds on the underside of birch leaves 



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

 Brown-headed, purplish solitary or partly gregarious sawfly larvae occur on white birch 



Pteronus 1 a t i f a s c i a t u s, \>. 572 

 A black-headed, greenish sawflv larva feeding gregariously on the edges of alder leaves 



A m a u r o n e m a t u s 1 u t e o t e r g u m , p. 572 

 Deep Prussian blue, rounded flea beetles about ''5 inch long, or dark brown, black-headed, 

 black-tubercled larvae occur in large numbers on alder 



Alder flea beetle, H a 1 1 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 Attelabus r h o i s. p. t;74 



