-13- 
W. J. Haude in 1939, in advertising literature published by John 
Powell and Company, New York, N. Y., recommended a cube or derris spray- 
er pounds of porder containing U percent rotenone per 100 gallons 
plus 4 pounds rosin-residue emulsion) against this insect on larch. 
Coleophora malivcrella Riley, the pistol caseberror 
Peairs and Gould ( 325 ) in 1930 tested Derrisol, alone and also 
with Penetrol as an activator, against the newly hatched larvae. 
Varying results were obtained. 
Coleophora pruniella Clem., the cherry casebearer 
Hutson' ( 205 ) in 1932 reported that a summer application of 
Derrisol 1:800 plus lime-sulfur solution 1:4.0 as a contact spray kill- 
ed 84 percent of the larvae or. cherry trees. Nicotine sulfate 
1;800 plus lime-sulfar 1:^.0 gave a control of 88 percent. 
Cosmopterygidae 
Batrachedra amydraula . !"ieyr. 
Derris and derris plus sulfur rere ineffective against the ' 
lesser d°te moth. — Dowson ( 100) in 1935. 
Cossidae 
Cossus cossus (L. ) 
Debussy et al. (57) reported in 1936 that this species is sensi- 
tive to derris dust but difficult to reach. 
Crambid-e 
Chilo simplex (Butl.), the Asiatic rice borer 
The Institute of Physical and. Chemical Research ( 214 ), Tokyo, 
Japan, in 1927 reported that Neoton at the rate of 1 pound in 4.0 
imperial g-- lions of vater, sprayed on the eggs soon after ovi- 
position and kept "rom rain, gave a mortality of 60 percent. 
Chilo suppressalis (" ; 'lk.) (syn.., Di^traea auri cilia Dudg:on) 
Jick (216) in 1923 wrote th-it the juic g -rris 
elliptica was most effective in combating this stem-boring irs.^ct 
attacking rici). 
Crambus bonif-:tellus (Hulst), 
C_. sperryellus Klots 
■ •'. i ' .i 
Bohart (39) in 194-0 reported' that derris extract containing 2 
percent of rotenone, dilute-' 1:400 with ".iedat the P 
of 1 gallon p?.r squ-re yird, gave temporary control of th. s two 
sod webworms known to dam-.g-: lawns in Califomi-:. This * 
