-15- 
leftd arsenate spray or by two applications of a spray of derris ex- 
tract and soap. Atomized pyrethrum pave excellent results on a 
small scale.— Dicker (142 ), 
Grapholit ha molest a (Busck), the oriental fruit moth 
In Connecticut when monthly applications of lead arsenate spray 
and dry line-sulfur were followed by six applications of a spray con- 
taining derris and skim-milk powder, 80 percent of -the fruits were 
uninjured by this pest,— Garman (218 ) • 
Grapholitha packardi Zell., the cherry fruitworm 
In western Washington, infestation was reduced for the second 
year by sprays containing lead arsenate, calcium arsenate, derris, 
or phenothiazine.— Breakey and Webster (84), 
Polychrosis botrana (Schiff,), a European vine moth 
In Germany complete mortality of the winter pupae was obtained 
with suitable 2-percent oil emulsions containing 0,5 percent of rote- 
none,— Stellwaag (568 ) , 
Polychrosis viteana (Clem,), the grape berry moth 
Since table grapes cannot be washed without severe era :ing, 
two typos of spray schedules were used in New York in 1T'S2- 1) the 
w split schedule" in which calcium ; senate was used in the r -rst two 
applications and plant-product insecticides, such as nicotine or rote- 
none, for the later treatments; anc ^ 2) the "full schedule" in which 
plant-product insecticides were used in all the applications, — Parrott 
(457). 
In a schedule of sprays that would avoid excessive arsenical 
residues, two formulas were used— one containing calcium arsenate and 
the other Black Leaf 155 Concentrate (fixed nicotine). The substi- 
tution of derris (4 percent of rotenone) at the rate of 4 pounds per 
100 gallons for the nicotine gave 79.1 percent control,— Taschenberg 
and Hart z ell (581 ). 
Rhyacionla buoliana (Schiff.), the European pine shoot moth 
Two applications of a spray containing 4 pounds of derris or 
cube and 3 pounds of fish oil in 100 gallons of water gave good con- 
trol. This sprey was more effective than one containing 3 pounds of 
