PSYCHE 



A JOURNAL OF ENTOMOLOGY 



Established in 1874 



VOL. XXIX 



AUGUST, 1922 



NO. 4 



CONTENTS 



Possible Pedogenesis of the Blow-flv, CaUiphora erythrocephala Aleigen. 



G. H. Parker ' 127 



On Some Trophobiotic Coccicht; From British Cuiana. 



//. Morrison 132 



Conoaxima, a New Genus of the Hymenopterous Family Eurytomidic, 

 with a Description of its Larva and Pupa. 

 C. T. Brues 1 53 



Synopsis of Panurgidie {Hvmenoptera). 



C. Robertson " 1 59 



Ants of the Genus Formica in the Tropics. 



W. M. Wheeler 174 



A New Javan Chilopod of the Genus Mecistocephalus. 



R. V. Chamherlin 178 



A Unique Method of Defense o{ B renins {Bombus) fcroidus Fabricius. 



O. E. Plalh " 180 



