Vol. XVIII KKBRUARY 2, 1920 No. 9 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONXKNTS 



Page 



European Frit Fly in North America - - - - 451 



J. M. ALDRICH 

 ( Contribution from Bureau of Entomology ) 



Lepidoptera at Light Traps ------ 475 



W. B. TURNER 



( Contribution from Bureau of Entomology ) 



Life History of Eubiomyia calosomae, a Tachinid Parasite 

 of Calosoma Beetles - - - - - - - 483 



C. W. COLLINS and CLIFFORD E. HOOD 



(Contribution from Bureau of Entomology) 



PUBUSHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCUTION OF 



LAND-GRANT COLLEGES 



WASHINGTON, D. C. 



WASHINGTON : QCVERNMENT PRINTINQ OFFfCE : 19:0 



