THE MOUNT DESERT REGION 203 



BoMBYLiOPSis Townsend 



B. ABRUPTA Wied. Bar Harbor; N. E. Harbor; S. W. Harbor, 

 July 24-Sept. 6. 



JuRiNiA E.-Desvoidy 



J. DEciSA Walk. Echo Lake; S. W. Harbor; Bar Harbor, 

 July 12-Sept. 11. 



Megaprosopidae 



MiCROPHTHALMA Macquart 



M. DisjuNCTA Wied. Witch Hole Pond, Sept. 11. 

 M. MicHiGANENsis Towu. Salisbury Cove, Aug. 9. 



Dexiidae 



Ptilodexia Brauer aud Bergenstamm 



P. HARPASA Walk. Common, June 7-Aug. 14. The larva is 

 parasitic on 'white grubs,' the larvae of the May beetles 

 (Phyllophaga). 



Thelaira K.-Desvoidy 



T. NiGRiPEs Fab. Bar Harbor, June 23-Sept. 10. 



OcHROCERA Townsend 



0. VAGINALIS Town. Bar Harbor, Aug. 10. 



Opsodexia Townsend 



0. BicoLOR Coq. Witch Hole Pond, Sept. 11. 



Spathidexia Townsend 



S. CLEMONsi Town. Salisbury Cove, July 13. 



EsTHERiA R.-Desvoidy 



E. TIBIALIS Desv. Salisbury Cove (Sanford) ; S. W. Harbor, 

 Aug. 7-Sept. 6. 



DiNERA E.-Desvoidy 



D. FUTiLis West. S. W. Harbor ; Long Pond ; Salisbury Cove, 

 July 16-23. 



Sarcophagidae 



Brachycoma Eondani 



B. SARCOPHAGiNA Towii. S. W. Harbor ; Eagle Lake, June 21- 

 July 18. Parasitic on the larvae in the nests of bumble 

 bees. 



