New York Agricultural Experiment Station. 581 



1890. KiLEY and Howard. Insect Life, vol. II, p. 276. Records 



experiments with resiu wash for woolly aphis as given 

 in a letter by Mr. E. K. McLennon, Berkeley, Cal. 



Riley and Howard. Ibid, p. 290. Note on article in New 

 Zealand Farmer for Dec, 1889, in which coal soot is re- 

 ferred to as a remedy for the ^'American blight " 

 {Schizoneu ra lanigera) . 



Riley and Howard. Ibid, p. 336. Mentioned in brief re- 

 views of Bui. 21, U. S. Dept. Agr., Div. of Ent. Found 

 in Australia by Mr. Albert Koebele. 



CoQUiLLETT, D. W. Bul. 23. U. S. Dept. Agr., Div. Ent., 

 p. 26. Found that hydrocyanic acid gas used strong 

 enough to kill the red scale does not kill woolly aphis. 



1891. Riley and Howard. Insect Life, vol. Ill, p. 256. Men- 



tioned in brief review of Bul. 5, Oregon Agricultural 

 Experiment Station. 

 Howard and Riley. Ibid, vol. IV, p. 2. Mentioned in 

 brief review of Handbook of Australian Insects, by C. 

 French. Ibid, p. 91. Mentioned in brief review of Bul. 

 3, N. M. Ag'rl Exp. Sta. 



1892. Lake, E. R. Bul. 6, Wash. Ag'rl Exp. Station, pp. 113-114. 



Brief general account; 2 cuts showing normal and af- 

 fected roots of one-year apple seedlings. 



1893. Chambliss, G. E. Univ. Tenn. Ag'rl Exp. Sta., Bul. 1, 



vol. VI, pp. 4-6. Gives two forms, apple-root louse, 

 attacking the roots, and woolly-louse of the apple, at- 

 tacking the trunk and branches. Descriptions, life his- 

 tory and habits given; also natural enemies, including 

 spiders. Soap, bisulphide of carbon and scalding water 

 given as remedies. 

 Riley and Howard. Insect Life, vol. VI, p. 2. Reference 

 to short notice of woolly aphis in Bul. 6, Wash. Ag'rl 

 Exp. Sta. 



1894. Sempers, F. W. Injurious Insects, pp. 72-73. Brief popu- 



lar account and remedies. 

 Aldrigh, J. M. Insect Life, vol. VII, p. 202. Brief note; 

 in restricted areias in Idalio during 1893. 



