JUN 30 )9fl? 



P S Y C H E 



A JOURNAL OF ENTOMOLOGY 



[Established in 1874] 

 Vol. 10, No. 322 



April, 1903 



CONTENTS 



The diffusion of insects in North America. Plate 2. — F. M. Webster . . 47 

 Classification of thk gall-wasps and the parasitic cyxipoids, or the super- 



FAMILV Cynipoidea. II. — William H. Aslimead ....... 59 



A new oryssid from Chatham Islands, Bismarck Archipelago. — W. //. As/imead 73 



A catalogue on the bees of California. — 7'. D. A. Cocke rell .... 74 



Life histories of North American Geometridae. XL. — Harrison G. Dyar . 78 

 Notes on some Aleyrodks from Massachuseti s, with description of nev, 



species. — Austin W. A/orrill . .......... 80 



The IIemiptkra described by Philip Reese Uhler. II. — Samuel Hens/iazv . 85 



T 

 Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB 



Cambridge, Mass., U. S. A. 



