12 
43 Control measures for the cornfield ant (. Lasius niger americanus) 
in Strawberry Beds. A Preliminary Report. (5 min.) W. J. Baerg, 
Fayetteville, Ark. 
The paper is a brief description of the injury caused by the cornfield ant to straw¬ 
berry plants and a report of the results obtained from the use of various insecti¬ 
cides. 
44. The Houghton Gooseberry Aphis, Myzus houghtonensis Troop, 
as a Pest in Ohio. (5 min.) (Lantern). D. M. DeLong and A. A. 
Mathewson, Columbus, Ohio. 
Notes on the life history and economic importance. 
Adjournment. 
Tuesday Evening Session , January i, 1924 , 7 p. m. 
Entomologists Dinner. 
Program 
Wednesday Morning Session , January 2 , 1924 , 10:00 a. m.; Chemistry 
Auditorium 
Reading of Papers 
45. Certain Dusts as Agents for the Protection of Stored Seeds from 
Insect Infestation. (15 min.) T. J. Headlee, New Brunswick, N. J. 
46. Notes on the Use of Chlorine Gas as an Insecticide. (3 min.) 
T. L. Guyton, Harrisburg, Pa. 
Chlorine Gas was used in an attempt to control Sitotroga cerealella. The gas was found 
to be an imperfect insecticide and to reduce the germination about three-fourths. 
Papers on European Corn Borer 
47. Research Projects and a Synopsis of Results. (8 min.) D. J. 
Caffrey, Arlington, Mass. 
48. Environmental Studies. (8 min.) K. W. Babcock, Arlington, 
Mass. 
49. Parasite Introductions. ( 8 min.) D. W. Jones, Arlington, 
Mass. 
50. European Corn Borer Investigations in Ohio. (8 min.) L. L. 
Huber, Wooster, Ohio. 
51. European Corn Borer: Control Measures Recommended in the 
Province of Ontario. (8 min.) Lawson Caesar, Guelph, Ontario, 
Canada. 
