218 BIOLOGICAL SURVEY OF 



Terellia R.-Desvoidy 



T. FLORESCENTiAE Liini. Common, July 14-Aug. 13. The 

 larvae live in the flower buds of the Canada thistle {Cirsium 

 arvense). 



Neaspilota Osten Sacken 



N. ACHiLLEAE Johus. Salisbury Cove ; S. W. Harbor, July 24- 

 28. Frequents the flow buds of yarrow {Achillea 

 millefolium). 



EuTRETA Loew 



E. SPARSA Wied. Bar Harbor, Aug. 15. The larvae form 

 root-galls on goldenrod. 



EuROSTA Loew 



E. ASTERis Harr. {E. solidaginis Fitch). Salisbury Cove. The 



larvae form round galls on the stalks of goldenrod. 

 E. LATiFRONs Loew. Eagle Lake, July 19. 



EuARESTA Loew 



E. ANGusTiPENNis Loew. Bar Harbor, June 7. 

 E. BELLA Loew. Salisbury Cove, July 14-24. 

 E. PURA Loew. Salisbury Cove, July 13-14. 



Tephritis Latreille 



T. ALBicEPS Loew. Common, July 11-Aug. 13. 



MiCROPEZIDAE 

 Calobata Meigen 



C. PALLiPES Say. Salisbury Cove, July 14. 



C. UNiviTTA Walk. Bar Harbor, June 15-July 14. 



Tanypeza Fallen 



T. LUTEiPENNis Kuab & Shan. Bar Harbor; N. E. Harbor 

 (Minot) ; Echo Lake, June 7- July 24. 



Sepsidae 

 Sepsis Fallen 



S. siGNiFERA Mel. & Spul. Bar Harbor, July 30. 



S. SIGNIFERA var. cuRviTiBiA Mel. & Spul. Bar Harbor, 



July 17. 

 S. vioLACEA Meig. Echo Lake, June 17. 



