340 \E\V YORK STATE MUSEUM 



Two larger forms occasionally taken with the above, are miu h rarer 



P i s s o d e s d u b i u s and 1'. a f f i n i s, p. 401, 402 

 Two small, jet i)lack weevils not over * ,,, inch in length, are occasionally abundant in 

 association with the white ])ine weevil 



M a g d a li s jj e r f o r a t a and M. a 1 11 1 a c e a, p. 402 

 Short brown needles on the tojis of hard pine, specially if there be a small pitch mass near 

 the base of the tree, is an indication of the work, of this insect 



Pine tip moth, P i n i p e s t i s z i m m e r m a n i, p. 403 

 Small yellowish lar\-ae infest tiie new growth of several pines, spinning a delicate web 

 around the bud antl mining both the twig and bases of the leaves 



Nantucket pine moth, E v e t r i a f r u s t r a n a, p. 405 

 A.n associated similar species is much rarer 



Pitch pine Retinia, E v e t r i a r i g i d a n a, p. 407 



Masses of ijitch usually on the u]3[ier side of the smaller limbs and twigs of hard pine, 



cover the entrance of a burrow made Ijy a small, yellowish Avhite caterpillar about '-2 



inch in length Pitcli twig moth, E v e t r i a c o m s t o c k i a n a, p. 407 



Footless orange grubs occur in colored or whitish pitch masses on the underside of pitch 

 pine branches. Pitch midge. C e c i d o m y i a r e s i n i c o 1 a, p. 410 



Insects affecting the leaves 



iMrtv, vellowish, red headed, blai:k sputteii false caterpillars feed i)i clusters on the outer 

 branches of pines from which they strip the lea\es 



LeConte s sawfiy, L o p h y r u s 1 e c o n t e i , p. 4:3 

 Vellowish, black headed, black spotted, false cater|)illars nearly an inch in length, defoliate 

 whiuC and hard pines from midsummer tdl late fall 



Ablxjtt's ]nne sawfiy. Pop h y r u s a b b o t i i. ]). 414 

 (dusters of black headed, dark green, dark striped false caterpillars about '2 inch long 



defoliate fir, sjjruce and jiitch ])ine Fir sawflv, 1, o p h v r u s a b i e t i s, p. 415 



Spruces dying in masses or clumps of greater or less extent are \erv likelv affected ljy 



this species Spruce bud worm, T o r t r i \ f u m i f e r a n a, [>. 416 



.■\ greenisn yellow sawlly cateriiillar frequently defoliates larches in midsummer 



Larch sawtlw T, v g a e o n e ni a t u s e r i c h s o n i i , ]). 418 

 Shortened, deformed needles of ])itch pine having a basal enlargement occujjied by 

 a thick, orange colored larva 



Pine needle gall fly, C e c i d o m )• i a ji i n i - r i g i d a e, p. 423 



