PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XXXI APRIL 1924 No. 2 
CONTENTS 
A New Species of Schizaspidia (Eucharidse) with Notes on a Eulophid 
Ant Parasite 
G. C. and E. H. Wheeler 49 
The Biology of Trichopoda pennipes Fab. (Diptera, Tachinidae), 
A parasite of the Common Squash Bug 
H. N. Worthley 57 
Review of the Dipterous Family Piophilidae 
A. L. Melander 78 
Notes on Phoridae from South Africa 
C. T. Brues 87 
Another “Snow” Phorid (Diptera) 
C. T. Brues 92 
Flower Visits of Insects II 
Charles Robertson 93 
On the Genus Halobates from Japanese and Formosan Coasts 
(Hemiptera: Gerridae) 
Teiso Esaki 112 
