REPORT OF THE STATE EXTOMOLOCxIST 1901 861 



229 T. c a c o g i- a p h ii s Lee. Works in the thinner bark 

 of white and pitch pines. 



230 T. p i u i t^ay. Sometimes abundant in bark of young- 

 white pines. 



231 T. balsa m r u s Lee. A serious (memy of balsam 

 trees. 



232 T. c a e 1 a t u s Eieh. \A'orks in thinner bark of white 

 and pitch pines. 



233 Spruce bark beetle. Poly g i- a p h u s r u f i p e n n i s 

 Kirby. A serious enemy of the spruce and occurs occasionally 

 in balsam trees. 



234 P h 1 a e o s i n u s d e n t a t u s Say. Attacks recently 

 cut or dying arbor vitae. 



235 Boring Dendroctonus, D e n d r o c t o n u s terebrans 

 Oliv. Attacks pitch pines. 



Leaf feeders, etc. 



236 Pine sawfly, L o p h y r u s 1 e c o n t e i Fitch. Strips 

 the needles from white pines. 



237 Poplar sawfly, T r i c h i o c a m p u s v i m i n a 1 i s Fall. 

 Attacks poplar. 



Chief accessible article : Lintner, J. A., state ent. 4th rep't, '88. 

 p. 44-46. 



238 Cherry leaf beetle, G a 1 e r u c e 1 1 a c a v i c o 1 1 i s Lee. 

 Feeds on wild cherry in xldirondacks, occasionally it attacks cul- 

 tivated trees. 



Treatment: Spray the foliage with an arsenical poison. 

 Chief accessible article: Lintner, J. A., state ent. 11th rep't, 

 '95. p. 197-98. 



239 Locust leaf -miner, Odontota dorsalis Thunb. 

 Attacks locust trees. 



Chief accessible article: Lintner. J. A., state ent. 12th rep't, 



'96. p. 264-67. 



240 Forest tent-caterpillar, C 1 i s i o <• a in pa d i s s t v i a lliil.ii. 

 Chief food plants: maple, elm, apple. 



Treatment: Protect birds, collect eggs, spray domesticated 

 trees with an arsenical poison. 



