Technical Series, No. 25. 



U. S. DEPARTMENT OF AGRICULTURE, 



BXJRE^XJ OF ENTOMiOLOG-Y. 



L. O. HOWARD, Entomologist and Chief of Bureau. 



PAPERS ON APHIDID^. 



I. STUDIES ON A NEW SPECIES OF TOXOPTERA, 



WITH AN ANALYTICAL KEY TO THE GENUS 

 AND NOTES ON REARING METHODS. 



By W. J. PHILLIPS and J. J. DAVIS, Entomological Assistant 

 Cereal and Forage Insect Investigations, 



II. THE YELLOW CLOVER APHIS. 



By J. J. DAVIS, Entomological Assistant, Cereal and 

 Forage Insect Investigations. 



Issued April 26, 1915. 



WASHINGTON: 



GOVERNMENT PRINTING OrFIOE. 



1015. 



