160 BIOLOGICAL SURVEY OF 



Anthophoridae 

 Clisodon Patton 



C. TERMiNALis CrGSS. Bar Harbor ; Salisbury Cove. June 15- 

 July 18. 



Hylaeidae 



Hylaeus Fabricius (Prosopis Fabricius) 



H. elliptica Kirby. Bar Harbor ; Salisbury Cove, July 13-19. 

 H. MODESTUS Say. Common, June 17-July 30. 

 H. thaspii Eobts. S. W. Harbor, July 11. 



Megachilidae 



Megachile Latreille. Leaf -cutting bees 



M. iNFRAGiLis Cress. Common, July 12-Sept. 23. 



M. LATiMANus Say. Salisbury Cove, Aug. 11, 1926. 



M. melanophea Smith. Common, June 9-July 25. 



M. MENDicA Cress. S. W. Harbor, Sept. 6. 



M. MUSiDA Cress. Common, June 21-July 26. 



M. RELATivA Cress. S. W. Harbor; Echo Lake; Bar Harbor. 



June 27-Sept. 13. 

 M. VIDUA Smith. Bar Harbor; S. W. Harbor; Echo Lake, 



June 7-July 20. 



Caelioxys Latreille 



C. soDALis Cress. Bar Harbor, July 19-20. 

 C. sp. Bar Harbor, July 10. 



The species of this genus are parasitic on the species of 

 Megachile. 



OsMiA Panzer. Mason bees 



0. ALBivENTRis Crcss. Salisbury Cove, July 13. 

 0. siMiLLiMA Smith. Common, June 9-July 12. 

 0. DisTiNCTA Cress. *Mt. Desert,' July 30, on flowers of Vicia 



(McAtee). 

 0. PUMiLA Cress. Bar Harbor, June 9. 



Andronicus Cresson 



A. cYLiNDRicus Crcss. Bar Harbor; S. W. Harbor, June 8- 



July 11. 

 A. PRODucTus Cress. Bar Harbor, June 7. 



