Education Department Bulletin 



Published fortnightly by the University of the State of New York 



Entered as second-class matter June 24, igo8, at the Post Office at Albany, N. Y., under the 



act of July 16, 1894 



No. 510 



ALBANY, N. Y. 



January i, 1912 



New York State Museum 



John M. Clarke, Director 

 Ephraim Porter Felt, State Entomologist 



Museum Bulletin 155 

 27th REPORT OF THE STATE ENTOMOLOGIST 



ON- 



INJURIOUS AND OTHER INSECTS 



OF THE 



STATE OF NEW YORK 



1911 



PAGE 



Introduction 5 



Injurious insects 13 



Codling moth 13 



Gipsy moth 42 



Green maple worm 48 



Iris borer 52 



Notch wing 54 



Maple leaf cutter 56 



Locust leaf miner 59 



Rosy Hispa 63 



Rose leaf hopper 65 



Periodical Cicada 68 



A report upon the condition of 

 the shade trees of the city of 



Mount Vernon, N. Y 88 



PAGE 



Experiments with heat as an in- 

 secticide 93 



Notes for the year 98 



Fruit tree insects 98 



Small fruit insects 102 



Shade tree pests 104 



Forest pests no 



Miscellaneous 114 



Publications of the Entomolo- 

 gist 124 



Additions to collections 130 



Explanation of plates 137 



Index 191 



