DIPTERA. 119 



Erax Scopoli. 



E. aestuans (Linne) (E. bastardii Macquart). 

 N. H.— 14, 15. July 18-Aug. 16. 



Mass.— 23, 24, 25, 26, 27, 28, 29, 30, 32. R. I.— 33. Conn.— 

 34, 35. July 2-Aug. 18. 



E. barbatus (Fabricius) (E. cinerescens Bellardi), Hine, 19-105. 

 Mass.— 28, 29, 30, 32. Conn.— 35. July 17-Sept. 4. 



E. rufibarbis Macquart {E. aestuans Wiedemann, not Linne). 

 Me.— 9. N. H.— 15. 



Mass.— 24, 25, 26, 27, 28, 32. Conn.— 34, 35. Aug. 17-Sept. 

 10. 



Promachus Loew. 



P. bastardii (Macquart). 

 Me.— 9, 10. N. H.— 15. July 16. 



Mass.— 24, 25, 27, 28, 29, 30, 32. R. I.— 33. Conn.— 35. 

 July 1-Aug. 24. 



P. fitchii Osten Sacken. 



Mass.— 24, 25, 26, 27. R. I.— 33. Conn.— 35. June 21- 

 July 27. 



Asilus Linne. 



A. sericeus Say. 



Me.— 9. N. H.— 13, 14, 15. Aug. 1-16. 



Mass.— 23, 24, 25, 26, 27, 29, 31, 32. R. I.— 33. Conn.— 35. 

 June 24- July 27. 



A. fuscatus Hine, 09-168 {Philonicus ohscurus Hine, 07-117). 

 Mass. — West Springfield, June 15; Chicopee, July 5. R. I. — 

 Providence, June 24: Buttonwoods, July 25. 



A. lecythus Walker (A. femoralis Macquart). 

 Me.—. N. H.— 14. Sept. 13. 



Mass.— 24, 26, 27, 31. R. I.— 33. Conn.— 35. June 12- 

 Aug. 28. 



A. orphne Walker (Neoitamus distinctus Williston). 

 Me.— 4, 6. N. H.— 11, 15. June 25-July 20. 

 Mass.— 23, 24, 25, 26, 27. R. I.— 33. Conn.— 35. ^lay 7- 

 July 20. 



A. flavofemoratus Hine, 09-153. 

 Me.— 6. N. H.— 14. 



Mass.— 23. 24, 25, 27, 28, 31, 32. R. I.— 33. Conn.— 35. 

 June 3- July 15. 



A. latipennis Hine, 09-152. 



N. H.— 15. 



Mass.— 23, 24, 25, 27. Conn.— 35. Aug. 28-Sept. 4. 



