248 FAUXA OF XEW ENGLAND . 



Subgenus Borborillus Duda, 23-54. 



B. marmoratus Becker, 08-133 {B. hrevisetus Malloch, 13-365; 



B. minutus Johnson, 13-449). 

 Mass. — Horse Xeck Beach, Aug. 8, 1896 (Hough) ; Gloucester. 



I\Iay 20; Woods Hole, June (Sturtevant) . Coxx. — Stamford, 

 May i8, 1919 {Sturtevant). 



Subgenus Cruornnyia Zvlacquart. 



B. immensa Spuler. 



X. H.— Hampton, Mar. 3, 1904 (Shaw). 



Mass. — Arhngton, Jan. 19 and Apr. 5 (P. /. Darlington) . 



Scatophora R.-Desvoidy. 



S. carolinensis R.-Desvoidv (Olina geniculata ]\Iacquart, see 



Spuler, 23-378). 

 Me.—. X. H.— 11, 15. Vt.— 16, 18, 19, 21. June 13-Aug. 15. 

 Mass.— 23, 24, 26, 27, 29, 31, 32. May 1-June 10. 



Phtcodromidae. 

 Coelopa Meigen. 



C. frigida Fallen. The Flat Kelp Flv. 

 Me.— 10. X. H.— 15. Apr. 8-July 24. 



Mass.— 26, 27, 28, 29, 30, 31, 32. R. I.— 33. Apr. 6-Xov. 22. 



C. parvula Haliday. 



Me.— 10. N. H.— 15. June 5-July 25. 



Mass.— 26; 27, 28, 31, 32. R. I.— 33. ^lay 15-Oct. 13. 



SCIOMYZIDAE. 

 Neuroctena Rondani. 

 N. anilis (Fallen). 

 Me.— 5, 7, 8, 9. X. H.— 11, 14, 15. Vt.— 16, 17, 18, 20, 21, 22. 



June 18- July 15. 

 Mass.— 23, 27, 28. R. I.— 33. Coxx.— 35. June 19-Sept. 4. 



N. simplex (Loew). 



Me.— 8. X. H.— 11, 14. Vt.— 20, 22. June 26-July 30. 



Mass.— 23, 25. IMay 28-Aug. 25. 



Dryomyza Fallen. 



D. dayi Cresson, 20-34. 



Me.— 5, 8. X. H.— 11, 12. Vt.— 20. June 24-July 28. 

 Mass. — 23, 27. June 15-Aug. 5. 



D. ferruginea IMelander, 20-311. 



Me.— Bar Harbor, June 13. X. H.— Bretton Woods, June 24. 

 Vt.— Lyndon, Aug. 22, 1900 (Melander). 



