114 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 10 



lents and with repellents, you are likely to have a very difficult task 

 in persuading farmers to use them, even though you are perfectly 

 convinced that they are effective. I will now call on Mr. C. W. How- 

 ard to give his paper. 



INSECT TRANSMISSION OF INFECTIOUS ANEMIA OF 



HORSES 



By C. W. Howard, St. Paul, Minn. 

 (Withdrawn for publication elsewhere) 



President C. Gordon Hewitt: This is a very interesting subject 

 to entomologists, especially those in the Western States and the paper 

 is now open for discussion. 



Mr. R. a. Cooley: I am not prepared to make any contribution 

 on this subject but I trust Mr. Howard may receive every encourage- 

 ment in his work. 



President C. Gordon Hewitt: The next paper will be read by 

 Mr. Herbert Osborn. 



THE ECONOMIC IMPORTANCE AND CONTROL OF MIRIS 



DOLOBRATA 



By Herbert Osborn, Columbus, Ohio 

 (Withdrawn for publication elsewhere) 



President C. Gordon Hewitt: If there is no discussion I will call 

 for a paper by Mr, George G. Ainslee. 



CRAMBID MOTHS AND LIGHT^ 



By Geo. G. Ainslie, Entomological Assistant, 

 Cereal and Forage Insect Investigations, Bureau of Entomology 



In entomological literature there are many conflicting and confusing 

 statements concerning the value of trap lanterns and poisoned baits 

 in reducing the numbers of night flying moths of injurious species. 

 The efficiency of a trap lantern depends largely on the time in the life 

 of a moth at which it can be attracted, that is, whether before, during 

 or after the period of egg deposition. Also the number of moths 

 appearing at light means but little unless the sex is known and, in the 

 case of females, the condition of the ovaries. To throw some light on 



Published by permission of the Secretary. 



