PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XLIV DECEMBER, 1937 No. 4 
TABLE OF CONTENTS. 
TABLE OF CONTENTS. 
Notes on the Habits of Strumigenys. William Steel Creighton. . . 97 
Cannibalism Among Lepidopterous Larvae. V. G. Dethier 110 
A Megamorphic and Two Curious Mimetic Flies. Frank M. Hull 116 
West Indian Carabidae IV : Three New Colpodes. 
P. J. Darlington, Jr 122 
Observations and Experiments on the Case-building Instinct of Two 
Species of Trichoptera. Manton Copeland and Sears Crowell 125 
Synonymy of the Genus Pseudoxenos Saunders (Strepsiptera, 
Xenidae) and Records of Stylopized Hymenoptera from North 
Carolina. Richard M . Bohart 132 
Biology of the Tachinid Winthemia datanse Tns. Frank L. Marsh 138 
Notes on the Courtship and Mating of the Fly, Ptecticus trivittatus 
Say. Phil Rau 141 
Index to Volume 44 143 
