Xll 



CONTENTS 



CHAPTER IX 



PAGE 



Insects Injurious to Carrot, Celery, Parsnip and Related 



. Crops 181 



Carrot rust-fly 181 



Carrot beetle . . . . . . . . .185 



Black swallow-tail butterfly 186 



Celery leaf-tyer 189 



Celery looper ......... 191 



Tarnished plant-bug . . . . . . . .192 



Negro-bug 190 



Parsnip web worm 197 



Parsnip leaf-miner . . . . ~ . . . . 199 



Parsley stalk-weevil . . . . . . . . 199 



Other carrot, celery and parsnip insects .... 200 



CHAPTER 



Asparagus Insects . 



Common asparagus beetle . 

 Twelve-spotted asparagus beetle 

 Asparagus miner 

 Other asparagus insects 



X 



201 

 201 



205 

 208 

 210 



CHAPTER XI 



Corn Insects 211 



Corn ear- worm . . . . . . . . .211 



Corn root-aphis 218 



Southern corn root-worm 222 



Western corn root-worm ....... 225 



Colorado corn root-worm ....... 227 



Larger corn stalk-borer 228 



Lesser corn stalk-borer 229 



Brown fruit-chafer 231 



Stink-bugs 232 



Other corn insects ........ 233 



CHAPTER XII 



Sweet Potato Insects ........ 235 



Tortoise beetles ......... 235 



Sweet potato weevil ........ 239 



