REPORT OF THE STATE ENTOMOLOGIST 1901 861 
229 T. cacographus Lec. Works in the thinner bark 
of white and pitch pines. 
230 T. pini Say. Sometimes abundant in bark of young 
white pines. . 
931 T. balsameus Lec. A serious enemy of balsam 
trees. 
232 T. caelatus Eich. Works in thinner bark of white 
and pitch pines. 
233 Spruce bark beetleys 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 sawily, 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, 
795. 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 Hiibn. 
Chief food plants: maple, elm, apple. 
Treatment: Protect birds, collect eggs, spray domesticated 
trees with an arsenical poison. 
