Published monthly by the 



University of the State of New York 



BULLETIN 274 



DECEMBER 1902 



New York State Museum 



Frederick J. H. Merrill Director 

 Ephraim Porter Felt State Entomologist 



Bulletin 59 



ENTOMOLOGY 16 



GRAPEVINE ROOT WORM 



BY 

 EPHRAIM PORTER FELT D.Sc. 



PAGE 



Preface 49 



Introduction 5^ 



Area infested 5^ 



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 "i 



Arsenical poisons 73 



Pulverizing the soil and mounding. 76 



Carbon bisulfid - 76 



Kerosene emulsion 77 



Crude petroleum , 77 



Calcium carbid 77 



Recommendations 78 



Bibliography 7^ 



Explanation of plates 81 



Plates 1-6 face 81 



Index 82 



