DIPTERA. 25 



E. stigmatica Osten Sacken. 



Me, — Orono, June 6-12 (Alexander). N. H. — Franconia (Mrs. 

 Slosson) . 

 Mass. — Auburndale, Aug. 9; Brookline, May 25; Amherst, May 

 17 (Alexander). 



Gnophomyia Osten Sacken. 



G. tristissima Osten Sacken. 



Me.— 6, 8, 9. N. H.— 11. Vt.— 20. July 10-Aug. 5. 



Mass.— 27. R. I.— 33. Apr. 24-Aug. 20. 



Trimicra Osten Sacken. 



T. anomala Osten Sacken. 



Mass. — Cohasset, Sept. 15 (Bryant); Nantucket, July 20; 



Rockport, Aug. 28. R. I. — Newport, June 5, Aug. and Sept. 



(Osten Sacken) ; Buttonwoods, June 17. 



Ormosia Rondani. 



O. adirondacensis Alexander, 19-145. 



Mass. — Whately Glen, June 10, 1924 (Alexander). 



O. arcuata (Doane), 08-201. 



Me. — Orono, May 10-July 5 (Alexander). 



Mass. — Amherst, Apr. 30-May 14 (Alexander). 



O. deviata Dietz, 16-143. 



Me. — Orono, June 5-8, 1913 (Alexander). 



Mass. — Amherst, June 5; Lake May, Berkshire Co., Aug. 24 



(Alexander). 



O. dentifera Alexander, 19-144. 



Me. — Orono, June 5-10, 1913 (Alexander). 



O. fernaldi Alexander, 24-116. 



Mass. — North Amherst, May 5, 1924 (Alexander). 



O. innocens (Osten Sacken). 



N. H. — Franconia (Mrs. Slosson). 



Mass .^Amherst, May 2-14 (Alexander). 



O. luteola Dietz, 16-138. 



Me. — Orono, July 29; Houlton, Aug. 24 (Alexander). 



Conn.— East River, Aug. 19, 1911 (Ely). 



O. meigenii Osten Sacken. 



Me.— 6. N. H.— 11, 15. Vt.— 21. May 21-June 17. 



Mass.— 23, 24. May 20-29. 



O. monticola Osten Sacken. 



Me.— 3, 8. N. H.— 11, 15. Aug. 14-Sept. 26. 



Mass.— 23, 24. Conn.— 35. Aug. 24-Sept. 5. 



