Technical Series, No. 23. 



U. S. DEPARTMENT OF AGRICULTURE, 



BTJRE^XJ OF ENT0M:0L0GY. 



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



MISCELLANEOUS PAPERS. 



I. SOME NEW CALIFORNIA AND GEORGIA THYSANOPTERA. 



By PAUL R. JOiiES, Entomological Assistant, Deciduous Fruit 

 Insect Investigations. 



II. AN INTERNAL PARASITE OF THYSANOPTERA. 



By H. M. RUSSELL, Entomological Assistant. 



Issued June 22, 1915. 



WASHINGTON: 



GOVERNMENT PRINTING OPFIOE. 



1915. 



