PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XXXI OCTOBER 1924 No. 5 
CONTENTS 
CONTENTS 
Biological Notes on Lethocerus americanus (Leidy) 
]¥. E. Hoffman l76 
New Northeastern Dexinae (Diptera; Tachinidae) 
L. S. West 184 
New and Little Known Calyptrate Diptera from New England. 
J. R. Malloch 193 
Additions to the Phoridae of Formosa. 
C. T. Brues 206 
On the Ant Genus Chrysapace Crawley. 
W. M. Wheeler 224 
Brief Diagnoses of Diptera Occuring in New England. 
C. H. Curran 226 
Notes on Piesma cinera Say. 
G. W. Barber 229 
Notes on Piesma cinerea Say in New Jersey (Hemiptera) 
H. B. Weiss and R. B. Lott 233 
More Notes on Fungus Insects and their Hosts 
H. B. Weiss 236 
Remarks on the Phylogeny and Interrelationships of Nematocerous 
Diptera. 
G. C. Crampton 238 
A New Bee from Oregon. 
T. D. A. Cockerell 243 
Proceedings of the Cambridge Entomological Club 245 
