REPORT OF THE STATE ENTOMOLOGIST I9O9 65 



be made. We are thoroughly satisfied that most excellent re- 

 sults can be obtained where conditions permit the use of only 

 moderate pressures. The best time to spray is within a week or lo 

 days after the blossoms drop and while the green calyx lobes are 

 open [pi 15, fig. i]. 



Bibliography 



The following references are mostly supplemental to those given by the late Professor 

 Slingerland ['98!. A few additional references are given by Simpson ['03]. 



1897 Card, F. W. Observations on the Codling Moth. Neb. Agric. Exp. 

 Sta. Bui. 51, p. 9-50 



Extended account with original observations. 



1898 Cockerell, T. D. A. Preliminary Notes on the Codling Moth. , N. M. 

 Agric. Exp. Sta. Bui. 25, p. 47-68 



General account with original observations. 



1898 Lugger, Otto. The Codling Moth. Minn. Agric. Exp. Sta. Bui. 61, 

 p. 296-302; also in 4th Rep't, p. 242-48 

 General account. 



1898 Slingerland, M. V. The Codling Moth. Cornell Univ. Agric. Exp. 

 Sta. Bui. 142, p. 1-69 



An extended account, with bibliography. 



1899 Harvey, F. L. & Munson, W. M. Apple Insects of Maine. Me. 

 Agric. Exp. Sta. Bui. 56, p. 133-34 



Summary account. 



1899 Hedrick, U. P. Codling Moth. Utah Agric. Exp. Sta. Bui. 64, 



p. 3^-3^ 



General discussion with observations on natural enemies. 



1899 Woodworth, C. W. & Colby, G. E. Paris Green for the Codling Moth. 

 Cal. Agric. Exp. Sta. Bui. 126, p. 3-40 



Discussion of various poisons and methods of application. 



. 1900 Aldrich, J. M. The Codling Moth. Id. Agric. Exp. Sta. Bui. 21, 

 p. 99—112 



General account with original observations. 



1900 Gillette, C. P. Entomological Notes in Colorado. U. S. Dep't 

 Agric. Div. Ent. Bui. 26, n. s. p. 77 



Records spring migration of larvae. 



1900 Slingerland, M. V. Facts About the Codling Moth. Rural New 

 Yorker, May 5, 59:318 



Observations on the use of soda arsenite for codling moth. 



190 1 Gillette, C. P. Report of the Entomologist. Col. Agric. Exp. Sta. 

 14th Rep't, p. 13-14 



Summary of observations. 



1 90 1 Simpson, C. B. Report Upon an Investigation of the Codling Moth 

 in Idaho in 1900. U. S. Dep't Agric. Div. Ent. Bui. 30, n.s. p. 51-63 

 Observations with experimental data. 



190 1 Slingerland, M. V. Spraying for the Codling Moth. Rural New 

 Yorker, July 6, 60:468 



Observations on the poison and its application. 



