/>.K./»' 



V 





DnlYerslty o! the State of New York Bulletin 



Entered as second-class matter August i, 1913, at the Post Office at Albany, N. Y., 

 under the act of August %%, 1912 



Published fortnightly 



/vrT 



No. 589 



ALBANY, N. Y. 



April 15, 1915 



New York State Museum 



John M. Clarke, Director 

 Ephraim Porter Felt, State Entoi 



Museum Bulletin is 



wra^ 



MA 



mo 



^9th REPORT OF THE STATE 



ON 



INJURIOUS AND OTHER INSECTS 



OF THE 



STATE OF NEW YORK 



um 



S'^AL MO] 



I913 



PAGE 



Introduction 5 



Injurious insects 13 



Codling moth 13 



Lined corn borer 14 



European grain moth or wolf 



moth 16 



Rhododendron clear- wing 19 



Azalea leaf skeletonizer. 21 



Arbor vitae leaf miner 22 



White grubs and June beetles. ... 24 



Spotted hemlock borer 26 



White pine weevil 30 



Hickory bark borer 33 



Pitted ambrosia beetle 36 



Cactus midge 39 



Injurious insects {continued) page 



Banded grape bug 41 



Use of miscible oils on trees 45 



Larger sugar maples and miscible 



.oils 45 



Signs of oil injury 46 



Notes for the year 48 



Fruit tree pests 49 



Shade tree pests 56 



Forest tree pests 61 



Miscellaneous insects 64 



Publications of the entomologist. . . 68 



Additions to collections 72 



Appendix: A study of gall midges II 79 



Explanation of plates. .- 212 



Index 247 



ALBANY 



THE UNIVERSITY OF THE STATE OP NEW YORK 



1915 



Me4r-Myi4-isoo 



