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Wille, Ccampo, Weberbauer, and Schofield ( 485 ), of the Agricultural 
Experiment Station at La Molina, Peru, in 1937, reported that sprays of 
cube extract containing 0,05 percent of rotenone had no effect on larvae 
of Anomis texana Riley and Alabama argillacea (Hbn. ), but in another -aeries 
of tests a spray of 0.01 percent rotenone content gave 75-percent mortality 
after 8 days, and surviving larvae were unable to molt normally. A suspen- 
sion of cubo dust in water to give a spray containing 0.3 percent of roten- 
one killed 73 percent of the larvae in 5 days, but was not effective in the 
field, probably owing to imperfect wetting. 
Anomis erosa Hbn. 
Butac (58) in 1938 reported that in 1936 cotton plants in one of the 
plots at the Philippine Carnival Exposition were dusted with derris-gawgaw 
(50:50, rotenone 1.5 percent) mainly to control the leaf-eating caterpillars 
especially those of this species, which were abundant on the plants. The 
dusting was done at about 9 a.m., the plants wore examined between 2 and 3 p 
and the insects found were collected, especially those affected by the treat 
ment. Ninety-six caterpillars, of (Cosmophila) Anomis erosa, all paralyzed, 
were collected and 61 of them died after 2 days."" 
Anomis texana Riley 
See Wille, Ocampo, Weberbauer, and Schofield (485) under Alabama 
argillacea (Hbn.), mentioned previously on this page. 
A nticarsia gemma tilis (Hbn.), the velvetbean caterpillar 
Ellisor and Floyd (109), in 1939, reported tests of insecticides for 
the control of this insect at Baton Rougo, La. A derris dust containing 
1 percent of rotenone plus 1 percent of Vatsol OS killed no larvae after 
3 days. Basic copper arsenate gave the best control, 90 percent mortality. 
Guyton (174) in 1940 reported that timbo-talc dusts (1+7 and 1+3 con- 
taining, respectively, 0.5 and 1.0 percent rotenone) gave from 25 to 41 perce 
control on peanut plants in Alabama. The best control, 91 percent, was show* 
by lead arsenate dust applied at the rates of 8 and 10 pounds per acre. 
Autographa brassicae (Riley), the cabbage loopcr 
Mclndoo, Sicvcrs, and Abbott ( 264 ) in 1919 reported that in two cage 
tests derris, applied at the rate of 1 pound to 25 gallons of water, killed 
all the larvae within 24 hours. 
K'opp (242) in 1924 stated that derris powder 500 gm. to 100 liters. of 
water containing 250 gm. of soap gave excellent results. 
White (478) in 1935 published a- progress report of experiments on the 
control of three species of cabbage worms, i.e., loopers, diamondback moths, 
and common cabbage worms. Tests wore made at Chadbourn, N. C, Charleston, J 
S. C. , and Baton Rouge, La., by dusting with calcium arsenate, paris green, 
lead arsenate, derris, pyrothrum, and hellebore. The derris dusts used con- 
i i ! from 3.4 to 4.9 percent of rotenone and from 18.8 to 22.7 percent of 
carbon tetrachloride oxtract. Concerning derris the conclusions were: 
