650 NEW YORK STATE MUSEUM 



A somewhat cyliiulric, black or lir(jwnish beetle ahout '2 imh long; occurs in niiilsunimer 



on . spruce l' e t r o |) i 11 ni c i n n a in o [j t e r u m, p. 069 



A black, red-shouldered, flattened beetle about ', ,f, inch lonu; occurs on spruce 



1' h )• ni a t o d e s d i ni i d i a t u s, p. 669 

 A large, handsome, lilac k beetle with the basal jxirticm of the wing covers deep red and 

 the middle antennal joints broadly ringed with reddish 



Canadian Leptura, I, e p t u r a c a n a d e n s i s, ]>. 670 



A cvlindric brownish beetle about 'j imh hmg and ornamented with irregular, sullur 



yellow bands, occurs on heudoc k and spruce . . X y 1 o t r e c h u s ti n d u 1 a t u s, p. 671 



A slender, whitish, wooddioring grub enters the wounds of li\ing trees and bores deep 



into the sapwootl and heartwood 



Pdazed tree borer, Serropalpus barliatus, p. 671 

 A small, narrow, triangular beetle about "i ,6 inch long and irregidarlv marked with silvery 



white, occurs on spruce and decaying maple Mordella bo real is,]). 672 



A small, stout, nearly cvlindric, brownish bark beetle about 's inch long occurs in sjjruce 



ba rk I ) r y o c o e t e s a 11 1 o g r a p h u s, pi. 672 



A small, yellowish brown to almost blai k bark beetle occurs in spiruce bark, piarticidarly 



at the base of the limbs C r v p h a 1 u s s t r i a t u 1 u s, p. 673 



A minute, black or brown bark beetle excavates many short, radiating, curved galleries in 

 young dying red and black spruce 



Sjiruce wood engraver, 1' i t y o ]) h t h o r u s c a r i n i c e p s, p. 674 

 Balsani, s/iiu/rs affcttiiii:; 

 A large, metallic, flattened, oval beetle about Yx inch long occurs on balsam in Jidy 



B u p r e s t i s m a c u 1 i v e n t r i s, |). 674 

 Hemlock, specif $ aifcctiii;^ 

 A rather slender, somewhat triangular beetle with a subtriangular spot near the middle of 

 the outer margin of each wing cover, occurs on hemlock 



Leptura s u b h a m a t a, ]i. 675 

 Cedar, species ajf'ecti)ig 



A brownish beetle from -'a to nearly ]''z inc h long with two large, blue patches at the base 

 of the wing, bores as a larva in cedar 



Cedar tree borer, H y 1 o t r u p e s 1 i g n a u s, p. 675 



Leaf feeders 



Pine, species affecting 

 Loose web nests thickly sprinkled with excrement, occur on the terminal twigs and contain 

 greenish or brownish false caterpillars. .. False pine webworm, Lyda species, p. 676 



