REPORT OF THE STATE ENTOMOLOGIST 1901 859 



FOREST INSECTS (203-51) 



General works on the group 



Fitch, Asa, Noxious and beneficial insects of New York. 4th rep't, 

 '57. p. 5-67; 5th rep't, '58. p. 1-74. 



Packard, A. S. Forest insects. U. S. ent. com. 5th rep't, '90. p. 1-957. 



Hopkins, A. D. Catalogue of West Virginia forest and shade tree 

 insects. W. Va. agric. esp. sta. Bui. 32. '98. p. 171-251; Pre- 

 liminary report on the insect enemies of forests in the northwest. U. S. 

 dep't agric. div. ent. Bui. 21, n. s. '90. p. 1-27. 



Woodborers, various species. 



203 X i p h y d r i a p r o v a n c h e r 1 Cr. A borer in paper 

 birch, Adirondack region. 



204 Carpenter moth, Prionoxystus robiniae Peck. 

 A serious enemy of maple and oak trees. 



205 Pitch pine twig Tortrix, Retinia comstockiana 

 Fern. A twig-borer causing considerable exudations of pitch. 



206 Bronze birch borer, Agrilus anxius Gory. Princi- 

 pal food plant: white birch, specially injurious in parks. 



Treatment: Cut and burn badly infested trees. 

 Chief accessible article: Chittenden, ¥. H. U. S. dep't agric. 

 div. ent. Bui. 18, n. s. '98. p. 44-51. 



207 Mapletree pruner, Elaphidion villosum Fabr. 

 Principal food plants: maple, oak. 



Treatment: Gather and burn cut limbs in fall or early spring. 



Chief accessible articles: Lintner, J. A., state ent. 9th rep't, '92. 

 p. 357-61; Felt, E. P. Fisheries, game and forest com. 4th rep't, 

 sep. '98. p. 28-29. 



208 Pine sawyer, Monohammus confusor Kirby 

 Attacks pines and spruces. 



209 Pine sawyer, Monohammus scuteUatus Say. 

 Attacks pines. 



210 Monohammus titillator Fabr. Attacks pines. 



211 Poplar borer, Saperda c a lea rata Say. A serious 

 enemy of poplars in some localities. 



212 Painted hickory borer, C y 1 1 e n e p i c t u s Drury. At- 

 tacks hickory. 



Chief accessible article: Lintner, J. A., state ent. 8th rep't, '91. 

 p. 175-76. 



