11 
34. Notes on the Occurrence of the Oriental Fruit Moth ( Laspey - 
resia molesta ) in Southeastern Pennsylvania in 1923. (3 min.) T. L. 
Guyton, Harrisburg, Pa. 
The appearance of Lasp^yrt sia molesta in alarming numbers occurred over the 
southeastern corner of Pennsylvania. No injury was noticed in this area in 1922. 
35. A New Fruit Pest. (10 min.) (Lantern). W. P. Flint, 
Urbana, Ill. 
During the past 3 seasons, apples and peaches in Illinois have been injured by a 
beetle previously of rare occurrence in the State and not known to feed upon 
fruit. A brief summary of the character of injury and feeding habits of this beetle. 
36. Control of Leaf Hoppers (Empoa rosae L.) in bearing orchards. 
(lOmin.) (Lantern). S. W. Frost and E. M. Craighead, Arendtsville, Pa. 
A new type of injury to apple by hoppers; control experiments in bearing orchards. 
37. Should the July Apple Spray as given in Ohio be timed for the 
Second Brood only of Codling Worms? (5 min.) (Lantern). H. A. 
Gossard, Wooster, Ohio. 
Relation between the life history of codling worms and time of spraying graphically 
shown. The chart shows that in Ohio the July spray is given for the first brood 
as well as the second. 
38. A Side Light on Spray Injury to Apple Fruits. (5 min.) (Lan¬ 
tern). P. J. Parrott, Geneva, N. Y. 
During recent years there has been growing interest with respect to the effect of 
spray materials on the quality and size of apple yields. In this paper data are pre¬ 
sented relative to the occurrence of “spray burn” following applications of various 
dust and spray mixtures. 
39. Spreader Tests on Apples and Peaches: A Second Report. 
(8 min.) L. A. Stearns and W. S. Hough, Blacksburg, Va. 
Title indicates contents of paper; report covering a second seasons’ investigation of 
casein spreader in orchard practice. 
40. The Estimation of Dosage for Contact Dusts. (10 min.) 
F. Z. Hartzell, Fredonia, N. Y. 
41. Spraying Experiments for the Control of the San Jose and other 
Scales. (10 min.) J. J. Davis, Lafayette, Ind. 
Summary of experiments for three years testing dry and liquid lime-sulphur, miscible 
oils and lubricating oil emulsion for the control of the San Jose, Cottony Maple 
and Oyster Shell Scales. 
42. Further Studies in Prune Root Borer Control in Oregon. (10 
min.) F. H. Lathrop and V. M. Trask, Highland, N. Y. 
Results of naphthalene whitewash applications and of “P. D. B.” treatments. 
