1S4 



8TA 1 1; i;« '.\i;i) *<i ahimci i.i l UK. 



THE CODLING-MOTH IX .MICHIGAN 



R. H. PETTIT. ENTOMOLOGIST. 



Biill'-tin \o. 222. 



%.:f> 



Fig. 1. — Codlinsj-niotlis. tlie upper and lower ones enlarged. From Slingerland, 

 Cornell Univer.sity i-xperiment Station. 



While the present bulletin will be found to contain very little that has not 

 been worked over before, it is based on observations made in Michigan. Very 

 careful studies have been made by Professor M V. Slinserland of Cornell 

 University, by Professor J. M. Aldrich of the Idaho Agricultural College, by 

 Professor Fred W. Card, formerly of Nebraska, and more recently, by Mr. C. B. 

 Simpson of the Department of Agriculture, who has published an extensive and 

 exhaustive monograph on the subject. 



The field work has been done almost entirely by student assistants. Mr. H. P. 

 Tuttle during the summer of 190.3, and by Mr. V. R. Gardner in 1904. Their 

 careful and painstaking labor has made it possible to carry on the work. 



The present activity in horticultural circles and the recent work of Simpson, 

 Slingerland. Aldrich. Card and others, has brought the question of the control 



