33 



Calendar of the Life History of the Hessian Fly. 



Ko.l 



Date. 



Pup ARIA. 



Imagos. 



Eggs. 



Remarks. 



March 1.5. 

 April 9. 

 10. 

 14. 

 23. 

 5. 

 15. 

 17. 

 19. 

 21. 



at. 



May 



June- 



July 



Au^. 

 Sept. 



Oct. 



Nov. 



Dec. 



27. 



883 

 886 

 883 

 884 



884 



1884 



1884 



1886 



1886 



1884 



1886 

 1886 

 1886 



884 



883 



884 



883 

 884 



884 

 886 



884 



884 



,884 



883 

 883 

 884 

 884 

 883 



884 

 883 

 884 

 883 

 884 

 883 

 883 

 883 

 883 



886 



27. 



886 

 883 

 883 



1883 

 1883 



1883 



1883 

 1886 



1883 

 1886 



1884 



1884 

 1884 

 1884 

 1884 

 1884 



1884 

 1884 



1886 

 1886 



1886 



Edgewood. 



Marshall, 



Centralia. 



Centralia. 



From iSo. 1. 



DuQuoin. 



Billett Station. 



Odin. 



Albion. 



Marshall. 



Decatur. 



Robinson. 



Robinson. 



Mt. Carmel. 



Bred from No. 6. 



Bred from No. 7. 



Carml. 



Eldorado. 



Robinson. 



Macoupin county. 



West Union, 



Villa Ridge, 



Bred from No. 6, 



Anna. 



DuQuoin. 



DuQuoin. 



Bred from No. 7. 



DuQuoin, 



Hobinson, Young. 



Bred from No. 6. 



Edgewood. 



Bred from No. 7, 



Robinson. 



Bred from No. 22. 



Anna. 



Robinson. 



Bred from No. 10. 



Bred from No. 22. 



Bred from No. 24. 



Bred from No. 21. 



Robinson. 



Anna. 



Marshall. Contain living larvaa. 



Warsaw. 



Robinson. 



Bred from No. 41. 



Bred from No. 21. 



Godfrey. 



Jersej^ville. 



Contain living larvae . 



Marshal], 



DuC^uoin. 



Bred from No. 31. 



Marshall. 



Effingham. 



Contain living larva3. 



Villa Ridge. 



Anna. 



DuQuoin. 



Du(iuoin. 



DuQuoin. 



Centralia. 



Edgewood. 



Billett Station. 



From No. 63. 



Edgewood. 



Bred from No. 63. 



Robinson. 



Bred from No. 63. 



Bred from No. 63. 



Billett Station. 



Edgewood, 



Albion. 



Anna. 



Albion. 



—3 



