REPORT OF THE STATE ENTOMOLOGIST 1903 



117 



phic form but we have no evidence of this and for the present it 

 must be regarded as a distinct species. It may be separated from 

 the preceding by its smaller size, relatively shorter and flatter 

 abdomen, and by the difference in the form of the male genitalia. 

 Life history and habits. Comparatively little is known of the 

 life history and habits of this insect, since it has been so fre- 

 quently confused with O. bilineatum. There appears to be 

 but one published notice of this parasite since its description in 

 1882, and in that it is not recognized as a distinct form. This 

 species can hardly be regarded as rare, since over 100 individuals 

 were taken in the trap lantern experiments at Cornell University 

 and it has been frequently collected by the writer and also met 

 with in other collections. 



Trap lantern records 





1889 





May 





5 



7 



8 

 1 

 1 



9 



10 



11 

 1 

 1 



14 

 2 



15 

 1 



16 



2 

 9 



17 

 2 

 4 



18 

 4 

 1 



19 

 10 



7 



20 

 2 

 3 



21 

 1 



4 



22 

 2 

 1 



24 

 1 

 3 



25 

 3 



3 



26 



2 

 3 



28 

 1 









3 



1 





Female . . . 



1 



1 













1889 











June 



July 



Aug. 





2 



3 



4 5 6 



8 



11 



13 



16 



17 



19 



27 



29 



1 



2 



3 



23 



31 



1 



2 



17 



Male 





1 



1 



2 























1 













2 



2 



1 













1 









Female . . 



2 



2 



11 ll 2 



1 



1 



1 



1 



2 



1 



1 



1 



3 



2 



1 



1 







1889 





















1 



892 

























Sep. 



o 



EH 



May 



June 



July 



Aug. 



, 





27 



30 



26 



1 



2 



4 



5 



9 



19 21 



28 



1 



6 



16 



ir 



25 



26 



2s 



2 



6 



o 

 H 



Male 







39 





1 



1 



1 



1 



1 













2 















7 



























1 



1 





Female . . 



1 



1 



79 



1 





1 



1 







3 



1 



1 



1 



1 





l 



1 



1 



1 



16 



