Program 



Tuesday, December 29, 1.30 p. m. 



Reading of Papers 



"A New Air Conditioning Apparatus," by George A. Dean, and 

 R. K. Nabours, Manhattan, Kans. (10 minutes.) Lantern. 



An illustrated description of the air conditioning machine and breeding chamber. 



"The Moisture Factor in Relation to Insects," by A. F. Conradi, 

 Clemson College, S. C. (5 minutes.) 



A brief presentation of the moisture temperature relation in insect activity. 



"Spraying Scheme for the Control of Insect Pests," by W. W. Yothers, 

 Orlando, Fla. (5 minutes.) 



This paper gives approximate dates to spray to produce best results. 



"The Citricola Scale (Coccus citricola)," by H. J. Quayle, Riverside, 

 Cal. (8 minutes.) 



A summary account of the insect from the economic viewpoint. 



"An Analysis of Spraying Methods against the Codling Moth," by 

 P. J. Parrott, Geneva, N. Y. (10 minutes.) Lantern, 



Brief discussion of preMminary experiments on eastern and western methods of 

 spraying and to some factors that should be considered in the employment 

 of a driving spray in commercial apple orchards in New York. 



"Apple Leaf Roller in Utah," by E. G. Titus, Logan, Utah. (10 

 minutes.) Lantern. 



Brief resume of experimental work carried on against this insect during the present 

 season. 



"Further Data on the Control of the Fruit-Tree Leaf-Roller (Archips 

 argyrospila) ," by Glenn W. Herrick, Ithaca, N. Y. (15 minutes.) 



"The Apple Flea Weevil (Orchestes canus)," by P. W. Glenn, Urbana, 

 111. (10 minutes.) Lantern. 



General account of occurrence in lUinois. Life history, habits, and methods of 

 control. 



"Preliminary Report on the Woolly Aphis," by E. N. Cory, College 

 Park, Md. (10 minutes.) 



Report of control measures investigated. 



