

Published monthly by the 



University of the State of New York 





BULLETIN 274 



DECEMBER I902 



New York State Museum 



Frederick J. H. Merrill Director 

 Ephraim Porter Felt State Entomologist 



Bulletin 59 



ENTOMOLOGY 16 



GRAPEVINE ROOT WORM 



EPHRAIM PORTER FELT D.Sc. 





PAGE 



Preface 49 



Introduction 51 



Area infested 51 



Signs of insect's presence 52 



A native species 53 



Allies 54 



Present conditions in Ohio 54 



Early history 57 



Description 58 



Life history ." 60 



Habits of the beetle 61 



Eggs 63 



Habits of the larvae 66 



Pupa 68 



Food plants 68 



PAGE 



Natural enemies 69 



Remedial measures , 69 



Destroying the pupae 70 



Collecting beetles 71 



Arsenical poisons 73 



Pulverizing the soil and mounding. 76 



Carbon bisulfid 76 



Kerosene emulsion 77 



Crude petroleum ,, 77 



Calcium carbid 77 



Recommendations 78 



Bibliography 78 



Explanation of plates 81 



Plates 1-6 face 81 



Index „ 82 



Mel07m-S2-2000 



ALBANY \<\Zl*11 



UNIVERSITY OF THE STATE OF NEW YORK 

 1902 



Price 15 cents 



