THE MOUNT DESERT REGION 177 



ScEPTONiA Winnertz 



S. NIGRA Meig. 'Mt. Desert,' July 30 (McAtee). 



SCIARIDAE 

 Zygoneura Meigen 



Z. FLAVicoxA Johan. Bar Harbor, July 22. 



SciARA Meigen 



S. HABiLis Johan. N. E. Harbor, July 4 (Minot). 

 S. ocHROLABis Loew. Bar Harbor, June 11. 

 S. scioPHiLA Loew. Bar Harbor, Aug. 16. 



Neosciaba Pettey 



N. FUMiDA Johan. Bar Harbor, July 22. 



N. HASTATA Johan. Bar Harbor, July 22. 



N. sYLVESTRis Kieffer. Echo Lake, July 12. 



N. VARiANS Johan. N. E. Harbor, Aug. 11 (Minot). 



BiBIONIDAE 

 Plecia Wiedemann 



P. HETEROPTERA Say. S. W. Harbor ; Echo Lake ; Bar Harbor, 

 Sept. 7-13. 



BiBio Geoffroy 



B. BASALis Loew. Bar Harbor; Echo Lake; S. W. Harbor, 



June 11-24. 

 B. LONGiPES Loew. S. W. Harbor, Sept. 6. 

 B. VARIABILIS Loew. Bar Harbor ; Echo Lake, June 8-17. 



SCATOPSIDAE 

 Swammerdamella Enderlein 



S. BREvicoRNis Mclg. S. W. Harbor ; Narrows; Bar Harbor, 

 July 11-Aug. 18. 



Riechertella Enderlein 



R. FEMORALis Meig. S. W. Harbor, July 14. 



Rhegmoclema Enderlein 



R. ATRATA Say. 'Mt. Desert,' July 31 (McAtee). 



Aldrovandiella Enderlein 



A. HALTERATA Meig. *Mt. Desert,' July 30 (McAtee). 



