CONTENTS 



MIDDLETON, WILLIAM: Notes on the/larvae of some Cephidae 174 



ROHWER, S. A.: The American species of the genus Cephas Latreille. . 139 

 and CUSHMAN, R. A.: Idiogastra, a new suborder of 



Hymenoptera with notes on 

 the immature stages of 



Oryssus 89 



SASSCER, E. R.: Photomicrography and its application to the study of 



the Coccidae 86 



SCHWARZ, E. A., and BARBER, H. S.: Two new hydrophilid beetles. . . . 129 

 SEIGLER, E. H.: Codling moth investigations in the Grand Valley of 



Colorado 99 



SMITH, HARRISON E. : Notes on North American Tachinidae, including 



the description of one new genus 122 



SNYDER, THOMAS E.: A peculiar habit of a horsefly (Tabanus ameri- 



canus) in the Florida Everglades 141 



WALTON, W. R.: Three new Tachinid parasites of Eleodes 22 



II 



