CONTENTS 



PAGE 



American Association of Economic Entomologists, Proceedings of the Thirty- 

 first Annual Meeting {Continued) 



Important Foreign Insect Pests Collected on Imported Nursery Stock in 



1918 E. R. Sasscer 133 



Organization for Insect Suppression A. F. Burgess 136 



The Morphology, Behavior and Susceptibility of the Eggs of Three Im- 

 ported Apple Plant Lice^ A. Peterson 141 



High Temperature Fumigation and Methods of Estimating Radiation 



Required^ W. H. Goodwin 148 



The Potato Leafhopper and its Relation to the Hopperbum E. D. Ball 149 



Limitations in Insect Suppression W. C. O'Kane 155 



Nicotine Sulfate Solution as a Control for the Chrysanthemum Gall Midge, 



DiarthroTwmyia hypogoea T. L. Guyton 162 



The Work in the United States against the Pink BoUworm W. D. Hunter 166 



Parasite Introduction as a Means of Saving Sugar T. E. Holloway 175 



Methods in Entomological Field Experimentation 



W. P. Flint, C. F. Turner and /. /. Davis 178 



Eleodes opaca Say, an Important Enemy of Wheat in the Great Plains Area 



J. W. McColloch 183 



Experiments with Poison Baits against Grasshoppers D. A. Richer 194 



The Value of Crude Arsenious Oxide in Poison Bait for Cutworms and 



Grasshoppers J. J. Daois 200 



Some Notes on PAorfria /usciceps as a Bean Pest I. M. Hawley 203 



Notes on Some Little Known Pests of Red Clover 



G. W. Herrick and J. D. Detunler 206 



The Dispersion of FUes by FHght F. C. Biskopp and E. W. Laake 210 



Notes on Phlebotomus Species Attacking Man D. C. Parman 211 



Grasshopper Control in Kansas G. A. Dean, E. G. Kelly and A. L. Ford 213 



A Use of Galls by the Chippewa Indians W. A. Riley 216 



Scientific Notes 217 



Editorial 221 



Reviews 222 



Current Notes 222 



I Withdrawn for publication elsewhere. 



