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BULLETIN 304 



Published monthly by (he 



University of the State of New York 



DECEMBER 1903 



New York State Museum 



Frederick J. H. Merrile Director 

 Ephraim Porter Feet State Entomologist 



Bulletin 72 



ENTOMOLOGY 19 



GRAPEVINE ROOT WORM 



i'Y 



EPHRAIM PORTER FEET D.Sc. 



PAGE 



Preface 3 



Introduction 5 



Area infested 6 



Signs of insect's presence 6 



A native species 7 



Allies 8 



Present conditions in Ohio 9 



Early history 11 



Description . 13 



Eif e history 15 



Habits of the beetle 15 



Eggs 19 



Habits of the grubs or larvae. ... 23 



Pupa " 25 



Experimental work in 1903 26 



Record of cage experiments 27 



Insects taken by beetle catcher . . 29 



Food plants 30 



PAGE 



Varieties affected 30 



Grapeberry moth 31 



Natural enemies 32 



Remedial measures 33 



Destroying the pupae 33 



Collecting beetles 34 



Ai-senical poisons 39 



Destruction of eggs 44 



Pulverizing the soil and mounding 45 



Carbon bisulfid 45 



Kerosene emulsion 46 



Crude petroleum 46 



Calcium carbid 46 



Recommendations 47 



Bibliography 47 



Explanation of plates 50 



Index 53 



Plates 1-6 ... . free 52 



ALBANY 



UNIVERSITY OF THE STATE OF 

 1003 



Mell'2m-S3-2500 



