JOURNAL 



OF THE 



jOriD ]BoFh €|n(onioIogiraI ^orifl^g. 



Vol. XXV. SEPTEMBER, 1917. No. 3. 



NOTES ON THE EARLY STAGES OF CHRYSOPS 

 (DIPTERA, TABANID^).^ 



By Werner Marchand. 

 Princeton, N. J, 



Of the 34 species of chrysops known to occur in the state of New 

 Jersey, 11 were found in Princeton; these were the following species :2 



1. Chrysops niger Macq. Basin, July 4, 5. 



2. Chrysops obsoletus Wied. Greenhouse near Guyot Hall, July 8, 



12; August 26. 



3. Chrysops fallax O. S. Genetics Garden, July 6, 8. 



4. Chrysops callidus O. S. Very common. Pond near Guyot Hall ; 



greenhouse; Lake Carnegie; Plainsboro, June; July 4, 6, 8, 

 14, 15, 20. 



5. Chrysops hinci Daecke. Near Guyot Hall, July 4. 



6. Chrysops univittatiis Macq. Carnegie Lake ; Plainsboro, July 7, 



8, 14, 20, 23. 



7. Chrysops lugens v. morosus Wied. Basin; Genetics Garden; 



June 30; July 8. 



8. Chrysops montanus O. S. Genetics Garden, July 6, 15. 



9. Chrysops striatus Wied. Princeton, July 8; August 20, 23. 



10. Chrysops vittatus Wied. Genetics Garden, July 25. 



11. Chrysops inaxhus O. S. Princeton, July 4. 



1 From the Department of Animal Pathology of The Rockefeller Institute 

 for Medical Research, Princeton, N. J. 



- To these, Chrysops titer O. S. has to be added, which is quite common, 

 but was overlooked in 1915, as its time of appearance does not extent July. 



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