PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
Vol. 58 June, 1951 No. 2 
TABLE OF CONTENTS 
Studies on Arizona Ants. 1. The Habits of Camponotus ulcerosus 
Wheeler and its Identity with C. bruesi Wheeler. Wm. S. 
Creighton 47 
Concerning some Hydrometra from Africa (Hemiptera). H. B. 
Hungerford 65 
A Migrating Army of Sciarid Larvae in the Philippines. C. T. Brues. 73 
Two New Species of Exotic Ants. R. E. Gregg 77 
The Generic Names Blankaartia Oudemans, 1911 and Trombiculoides 
Jacot, 1938 (Acari: Trombiculidae) . H. S. Fuller and G. W. 
Wharton 85 
