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control equal to that of hydro:cypentamethylflavan at 4 pounds per acre 
throughout the 17-day period of observation. — Smith and Gouck (422 ) . 
Applied as a dust or spray at the rate of 2 or 4 pounds per acre, 
chlordane compared favorably with other miticides, such as "benzene hexa- 
chloride and hydroxypentamethylflavan. — Knipling ( 264 ) ; U. S. Bur. Ent. 
and Plant Quar. (468). 
Trorabidiidae 
Eutrombldium trigonum (Herm. ), the red grasshopper mite 
Very few grasshopper mites were killed by chlordane, 3/4 or 1 pound 
per acre, applied for the control of grashopper.— Sever in ( 413 ,). 
