PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
Vol. 53 SEPT.-DEC., 1946 Nos. 3-4 
TABLE OF CONTENTS 
TABLE OF CONTENTS 
Contributions to our Knowledge of the Mylabridse, seu Bruchidae (Coleop- 
tera) with especial Reference to the Fauna of Northeastern America. 
J. C. Bradley 33 
Southern Pierids in New England. V. Nabokov 42 
Some Fossil Diptera from Florissant, Colorado. A. L. Melander. 43 
The Genotype of Mimetus Hentz. E. B. Bryant 48 
Dragonflies as Predatory Enemies of the Stable-fly ( Stomoxys calcitrans ) . 
C. T. Brues SO 
Polydrusus sericeus Schall. C. A. Frost . 51 
The Tabanidae of Colombia (Diptera). J. C. Bequaert and Santiago Renjifo- 
Salcedo 52 
A New Record of Oxyagrion (Zygoptera) from North America. K. A. 
Christiansen 89 
Index to Volume 53 90 
