THE MOUNT DESERT REGIOX 351 



Trimerina Macquart 



T. MADiZANs Fall. Bar Harbor, Aug. 16. 



Clanonexjkum Becker 



C. ciMiciFOEMis Halid. Marsh at the Narrows, Aug. 15, 1920. 



DiscoCERiNA Macquart 



D. LEucopROCTA LoGw. Narrows, June 9. 



IiiYTHELA. Haliday 



I. spiLOTA Curtis. Common, June 27-Aug. 21. 



Rhysophora Cresson 



R. ROBUSTA Cress. Witch Hole Pond, July 30. 



DiTRiCHOPHORA Cresson 



D. ExiGUA Cress. Bar Harbor, July 22, 1919. 

 D. PARiLis Cress. Bar Harbor, Aug. 18. 



PsiLOPA Fallen 



P. ATRiMAisTA Loew. Bar Harbor, July 24; S. W. Harbor, 



Sept. 6. 

 P. LEucosTOMA Meig. Narrows, July 27. 



OcHTHEKA Latreille 



0. MANTIS DeG. Bar Harbor, July 26. 



Hydrellia R.-Desvoidy 



H. ADVENAE Cr. First taken in blossoms of Nymphaea advena, 

 July 25, '35. Type locality. 



