PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XXX FEBRUARY, 1923 NO. 1 
CONTENTS 
The Occurrence of Muscina pascuorum Meigen in North America in 1922. 
C. W. Johnson 1 
Two New Bembecids (Hymenoptera) from Channel Islands, California. 
C. L. Fox 6 
A Singular Habit of Sawfly Larvse. W. M. Wheeler & W. M. Mann ... 9 
Two New Ants from Bolivia. W. M. Mann 12 
A New Genus of Myrmecophilous Phoridse with Notes on Some 
Related Forms. C.T.Brues 18 
The Probable Occurrence of Parthenogenesis in Ochthiphila lolystigma 
{F>\pte.rd) A, H. Sturtevant 22 
Phorticolea boliviae, a New Myrmecophilous Cockroach from South 
America. A. N. Caudell 28 
Verbenapis - A Correction 30 
A Fossil Genus of Dinapsidse from Baltic Amber (Hymenoptera) 
C. T. Brues 31 
Recent Books 35 
Proceedings of the Cambridge Entomological Club 36 
