- 583 - 
nicotine sulphate (4 percent of nicotine) . The pea aphid (Acyrt ho siphon 
pisi ) was only partially controlled with nicotine dusts. 
ZIMMEBLEY, H. H. , DAVIS, K. J., and SPENCER, H. (2445) 
1923. SPRAYING AND DUSTING CANTALOUPES. Va. Truck Expt. Sta. Bull. 
45, pp. 295-313, illus. [Abstract in Rev. Appl. Ent. (A) 13: 326. 
1925.] 
Treatments of hydrated lime or 3 percent nicotine dust should he 
given at 3 to 5 day intervals, starting when the first cucumher "beetles 
( Diabrotic a vittat a F. and D. duo dec imp un c t at a , 1 iv . ) appear. If in- 
festation by Diabrotica is especially severe or early, 3 percent 
nicotine dust should be used in place of lime until the severity of 
the attack has passed. A heavy infestation of Aphis gossypii was 
effectively controlled with 3 percent nicotine dust applied with a 
power duster at the rate of 50 lb. per acre. 
ANONYMOUS (2446) 
1924. INJURIOUS INSECTS AND OTHER PESTS. Kans. Agr. Expt. Sta. 
Rept. 1922-1924, pp. 76-87. [Abstract in Rev. Appl. Ent. (A) 
13: 27. 1925.] 
Both 2.7 and 4 percent nicotine dust at the rate of 50 -and 30 lb. 
per acre respectively, gave fair results against the pea aphid 
( Acyrtho sipho n pisi ) on lucerne. On melons and v/atermelons, aphids 
and cucumber beetles ( Diabrotica ) were satisfactorily controlled 
with a. proprietary nicotine sulphate dust. 
LYLE, C. (2447) 
1924. CONTROLLING MELON PESTS. Miss. State Plant Bd. Quart. Bull. 
4 (1): 26-29. [Abstract in Rev. Appl. Ent. (A) 12: 347. 1924.] 
The simplest remedy against the striped cucumber beetle 
( Diahrotica. vittata ) and the pickle worm (P iaphania nitidalis ) is 
nicotine dust containing 6 to 10 percent of nicotine sulphate. 
SPENCER, H. , and HENDERSON, H. J. (2448) 
1925. THE CONTROL OP SQUASH INSECTS. Va. Truck Expt. Sta. Bull. 
52, pp. 399-414, illus. [Abstract in Rev. Appl. Ent. (A) 14: 
439. 1926.] 
Among the control measures against springtails ( Smynthurus ) , 
cucumber beetles ( Diabrotica ) , squash borer ( Melittia satyrinif ormi s 
Hb.), squash beetle ( Epilachna boreali s P.), squash bug ( Anasa tristis 
DeG.), pickle and melon worms (Diaphania ) , and aphids ( Aphi s gossypii 
Glov. tire the following: dusting 3 or 4 times with hydrated lime or 
3 percent nicotine dust when the plants a.re young, and spraying weekly 
with nicotine sulphate at 1 to 100. 
