TECHNICAL SERIES No. 8. 
eee ORPAREMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
CONTRIBUTIONS TOWARD A MONOGRAPH OF THE AMERICAN 
ALEURODID.E. 
BY 
PAS clo, AGN AUN Gra ME. S= 
Biologist and Horticulturist of the Georgia Agricultural Experiment Station, Experiment, Ga, 
THE RED SPIDERS OF THE UNTEED STATES 
(TETRANYCHUS AND STIGMAUS). 
BY 
NATHAN BANKS, M. &S., 
Assistant, Division of Entomology, U. 8. Department of Agriculture. 
PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
19:00", 
