DIPTERA. 193 



C3nrtophloeba Rondani. 



C. horrida Coquillett. 



Me.— 8. N. H.— 15. Vt.— 21. Apr. 25-Aug. 11. 

 Mass.— 23, 24, 26, 27, 32. Conn.— 35. May 4-June 20. 



Voria R.-Desvoidy, 1830 {Plagia Meigen, 1838). 



V. americana Van der Wulp. 



Me.— Mt. Desert, July 20-Sept. 12; Capens, July 16. 

 Mass. — Auburndale, Sept. 4-Oct. 20; Melrose Highlands, June 

 15; Nantucket, Aug. 8. 



Siphoplagia Townsend. 



S. rigidirostris (Van der Wulp). 



Mass. — Melrose Highlands, June 24; Wellesley, Sept. 21 (Morse). 



Conn. — ^New Haven, June 24 (Moore); Colebrook, July 12 



(Wheeler). 



Pseudotractocera Townsend. 



P. lachnosternae (Townsend), 08-106. 

 Mass. — Cohasset, Aug. 20, 1905 (Bryant). 



Distichona Van der Wulp. 



D. auriceps Coquillett. 



Mass. — Melrose Highlands, Sept. 13 (Tothill) ; Andover, Sept. 25. 



Siphostumiia Coquillett. 

 S. rostrata Coquillett. 

 Mass. — Melrose Highlands, July 3. 



Viviania Rondani {Bioniyia of authors; Eubiomyia Townsend, 16-74). 

 V. georgiae Brauer and Bergenstamm (P. calosomae Coquillett, 



MS.). 

 Mass. — Amherst, Lyndfield, June 7, and Essex Co., Sept. 7 



(Morse); Melrose Highlands, Gipsy Moth Laboratory, June 16. 



A parasite of the Calosoma Beetle. 



Belvosia R.-Desvoidy {Latreillimyia Townsend, 08-105). 

 B. bifasciata (Fabricius). 

 N. H.— 15. Sept. 8. 

 Mass.— 23, 24, 25, 27. R. I.— 33. Conn.— 34, 35. July 8- 



Sept. 4. 



Parasitic on atheroma regalis, Dryocampa ruhicunda, etc. 



Triachora Townsend, 08-105. 



T. unifasciata (R.-Desvoidy). 



Mass.— 23, 24, 26, 27. Conn.— 34, 35. June 15-Sept. 7. 

 Parasitic on the Army Worm (Helophila unipimctata) . 



Melanophrys Williston. 

 M. insoleta (Walker). 



Me.— 9. N. H.— 11, 14, 15. Vt.— 21. June 18-21. 

 Mass.— 24, 27. Conn.— 35. May 24-June 23. 



