444 BIOLOGICAL SURVEY OF 



NoMADA Fabricius 



N. cREssoNi Robts. Bubble Brook on blackberry blossoms, 

 June 15. Also social parasites of other bees. 



N. cuNEATA var. QUADRisiGNATA Robts. Bar Harbor; Echo 

 Lake, June 16-July 26. 



N. PERPLEXA Cress. Bar Harbor; Narrows; Salisbury Cove, 

 June 9-July 23. 



N. sp. Station F267, Sept. 5. 



Sphecodes Latreille 



S. ARVENsis Patt. station F267, Sept. 5. This genus are social 



parasites of Halictus. 

 S. JOHNSONi Lovell. N. E. Harbor, July 24. 

 S. NUBiLus 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. 



Clisodon Pattou 



C. TERMiNALis Cress. Bar Harbor; Eden, June 15-July 18. 

 Frequents the asters. 



Melissodes Latreille 



M. iLLATA L. & C. Station F264, Aug. 10. All of this genus 



frequent the Compositae. 

 M. RusTicA Say. Bar Harbor; S. AV. Harbor; Salisbury Cove; 



Aug. 10-22. 



Ceratina Latreille. The Little Carpenter Bees 



C. CALCARATA Robts. Rccord of capture lost. 

 C. DUPLA Say. Bar Harbor, June 25. It makes its nest in the 

 pith of briars, etc. 



