CONTENTS 



PAGE 



Proceedings of the First Annual Meeting of the Pacific Slope Branch of 



the American Association of Economic Entomologists. 453 



Economic Syrphidae in California W. M. Davidson 454 



The Fruit-tree Leaf Syneta, Spraying Data and Biological Notes 



G. F. Moznette 458 



The Chrysanthemum Gall-fly, Diarthronomyia hypogcea E. 0. Essig 461 



Mimicipal Control of the Argentine Ant E. R. de Ong 468 



Breeding Fruit-fly Parasites in the Hawaiian Islands J. C. Bridwell 472 



An Attempt to Redefine the Host Relationships Exhibited by Entomopha- 



gous Insects H. S. Smith 477 



Dispersion of Scale Insects by the Wind H. J. Quayle 486 



Sporotrichum globuUferum Speg., a Natural Enemy of the Alfalfa Weevil 



L. P. Rockwood 493 



Some Unpublished Notes on Pemphigus betce Doane A. C. Maxson 500 



Bticcvlalrix Ihurheriella, a Pest of Cotton in the Imperial Valley 



E, A. McGregor 505 



Scientific Notes 510, 616 



Editorial 511 



Obituary 512 



Current Notes 513 



