340 NEW YORK STATE MUSEUM 



Two larger forms occasionally taken with the above, are much rarer 



P i s s o d e s d u b i u s and P. a f f i n i s, p. 40 1 , 402 

 Two small, jet black weevils not over 3 [a inch in length, are occasionally abundant in 

 association with the white pine weevil 



Magdalis perforata and M. a 1 u t a c e a, p. 402 

 Short brown needles on the to])s 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 larvae infest the new growth of several pines, spinning a delicate web 

 around the bud and 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 

 \n associated similar species is mucli rarer 



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



Masses of pitch usually on the upper side of the smaller limbs and twigs of liard Jiine, 



cover the entrance of a burrow made by a small, yellowish white caterpillar about )-2 



incli in length Pitch twig moth, E v e t r i a c o m s t o c k i a n a, ]i. 407 



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

 pine branches Pitch midge, Cecidomyia r e s i n ic o 1 a, p. 410 



Insects affecting the leaves 



Dirty, yellowish, red headed, black spotted false caterpillars feed in clusters on the outer 

 branches of pines from which they strip the leaves 



LeConte s sawfly, L o ji h y r u s 1 e c o n t e i , p. 413 

 Yellowish, black headed, black spotted, false caterpillars nearlv an inch in lengtli. defoliate 

 white and hard pines from midsummer tdl late fall 



Abbott's pine sawfly, Lo p h y r u s a b b o t i i, ]j. 414 

 Clusters of black headed, dark green, dark striped false caterpillars about j4 inch long 



defoliate fir, spruce and jiitch pine .... Fir sawfly, L o p h y r u s a b i e t i s, p. 415 



Spruces' dying in masses or clumps of greater or less extent are very likely affected by 



this species Spruce bud worm, T o r t r i x f u m i f e r a n a, p. 416 



A greenisii yellow sawfly caterpillar frequently defoliates larches in midsummer 



Larch sawfly, L y g a e o n e m a t u s e r i c h s o n i i , ]x 4 1 8 

 Shortened, deformed needles of pitch pine having a basal enlargement occupied by 

 a thick, orange colored larva 



Pine needle gall fly, Cecidomyia p i n i - r i g 1 d a e, p. 423 



