REPORT OP THE STATE ENTOMOLOGIST 1901 861 



229 T. cacographus Lee. Works in the thinner bark 

 of white and pitch pines. 



230 T. p i n i Say. Sometimes abundant in bark of young 

 white pines. 



231 T. balsa meus Lee. A serious enemy of balsam 

 trees. 



232 T. caelatus Eich. Works in thinner bark of white 

 and pitch pines. 



233 Spruce bark beetle, Polygraphus rufipennis 

 Kirby. A serious enemy of the spruce and occurs occasionally 

 in balsam trees. 



234 Phlaeosinus dentatus Say. Attacks recently 

 cut or dying arbor vitae. 



235 Boring Dendroctonus, Dendroctonus terebrans 

 Oliv. Attacks pitch pines. 



Leaf feeders, etc. 



236 Pine sawfly, Lophyrus lecontei Fitch. Strips 

 the needles from white pines. 



237 Poplar sawfly, Trichiocampus viminalis Fall. 

 Attacks poplar. 



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

 p. 44-46. 



238 Cherry leaf beetle, Galerucella cavicollis Lee. 

 Feeds on wild cherry in Adirondacks, 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, Clisiocampa disstria Htibn. 

 Chief food plants: maple, elm, apple. ' 



Treatment: Protect birds, collect eggs, spray domesticated 

 trees with an arsenical poison. 



