CONTENTS 



Ant Control on Ship Board W. T. Clarke 329 



The Attraction of Chloridea obsoleta Fabr. to the Cotton Plant 



J. W. McColloch 333 



The Relation of Alkaline Waters to the Preparation and Dilution of 



Sprays and Dips E. R. DeOng 339 



Relation of Moisture to Ingestion of Poison by the Cotton Boll Weevil 



D. C. Warren 345 



Observations on Insects Attacking Sorghums W. P. Hayes 349 



Control of Strawberry Leaf Roller in the Mississippi Valley 



F. M. Wadley 356 



Host Plant Selection by Hessian Fly, Phytophaga destructer Say 



W. B. Carkoright 360 



Injury to Bell Peppers by Blapslinus coronadensis Blaisd. and B. 



dilatatus R. E. Campbell 363 



Utilization of Systematic Observations on Beet Leafhopper, Eutettex 

 tenella Baker, and Curly Leaf of Sugar Beets 



E. A. Schwing and W. J. Hartung 366 



The Effect of Activity on the Length of Life of Honey Bees 



E. F. Phillips 368 



Dusting versus Spraying for the Codling Moth in Walnuts 



H. J. Quayle 371 



Two Injurious Fruit Mites in Pennsylvania 



5. W. Frost 372 



Scientific Notes 372 



Editorial 376 



Current Notes 377 



Notes on Medical Entomology 383 



Apiculture Notes 383 



Horticultural Inspection Notes 385 



