LIBRARY 
STATE PLANT BOARD 
Vr. 
(s 
\ 
May 1943 E-593 
UNITED STATES DEPARTMENT OF AGRICULTURE 
AGRICULTURAL RESEARCH ADM INI STRATI 01! 
.BUREAU OF ENTOMOLCGY AND PLANT QUARANTINE 
A RE7IEYI OF THE INSECTICIDAL USES OF ROTSNONE AND 
ROTENOIDS FEDM DERRIS, LONCHOCAHP US (CUBE AND 
TIMBO), TEPHROSL-, AND RELATED PLANTS 
PART III. KOMOPTERA 
1/ 
By R. C. Roark, Division of Insecticide Investigations 
CONTENTS 
Page 
Introduction --------------- 2 
Homoptera ----------------- 2 
Aleyrodi&ae" -------------- 2 
Aphiidae ---------------- 4 
Cercopidae --------------- 63 
Chermidae --------------- 64 
Cicadellidae -------------- 65 
Cicadidae -..------..------ 72 
Coccidae ---------------- 72 
Fulgoridae ---------------- 82 
Hembracidae -------------- 82 
Psyllidae -- „__-_--___- 83 
Insect index --------------- 85 
Literature cited ------------- 93 
Junior-author index ------------ 120 
y 
The manuscript of this publication was read by the following 
leaders of research divisions of the Bureau, who contributed helpful 
suggestions: D. L. Van Dine, Fruit Insect Investigations; 7. r . H. Tflhite, 
Truck Crop and Garden Insect Investigations; R. W. Harmed, Cotton Insect 
Investigations; F. C. Bishopp, assistant chief of Bureau, formerly in 
charge of Insects Affecting J.ian and Animals; C. F. W. Muesebeck, Insect 
Identification; L. A. Hawkins, Control Investigations; and C. M. Packard, 
Cereal and Pbrage Insect Investigations. The assistance of specialists 
in the Division of Insect Identification in classifying the insects men- 
tioned herein as to order and family is gratefully acknowledged. 
IlUM 1 8 1943 
