r>l)(i BIOLOGICAL SURVEY OF 



AUQOCHLOKA Smitli 



A. pura (Say). I>ar Barbor; Eden, June 9-July 25; tinder 



hark of yellow birch log at Station F151. 

 A. striata Prov. Common and widely distributed. 



AUGOCHLORELLA Sandhouse 



A. striata (Prov.). Common and widely distributed. 



Agapostemon Gueriu 



A. viRESCENS Feb. Eden fairgrounds on wild roses, Station 

 F259. This very beautiful species is not common. 



M.u-ropis Panzer 



M. morsei Robts. S. W. Harbor; Echo Lake; Salisbury Cove, 

 June 23-July 13. 



Xomada Fabricius 



X. cuessoxii Robts. Bubble Brook on blackberry blossoms, 

 June 15. Also social parasites of other bees. 



X. cuneata var. quadrisignata Robts. Bar Harbor; Echo 

 Lake, June 16- July 26. 



X. perplexa Cress. Bar Harbor; Narrows; Salisbury Cove, 

 June 9-July 23. 



X. sp. Station F267, Sept. 5. 



X. sp. Outlet of Bubble Br. on catkins, May 19, in U.S.N.M. 



Sphecodes Latreille 



S. AitvExsis Patt. Station F267, Sept. 5. This genus are social 



parasites of Halictus. 

 S. johnsoni Lovell. N". E. Harbor, July 24. 

 S. NUBii.rs Lovell and Cockerell. Bar Harbor, Aug. 15. 

 S. obscurans L. and C. Bar Harbor, June 16-July 24. 

 S. ranunculi Robts. Bar Harbor, June 15. 

 S.sp. Station F267, Sept. 5. 



