116 BIOLOGICAL SURVEY OP 



Nacerda Stephens 



N. MELANURA Liiiii. (7763). Corfield flying at dusk, Aug. 5. 



Oedemeridae. The Oedemerid Beetles 

 AscTjERA Stephens 



A. RUFicoLLis (Say) (7800). Occurs on some spring flowers 

 and on willow and wild plum, Witches Hole, June 13. 



MoRDELLiDAE. The Tumbling Flower Beetles 



Beating branches and sweeping flowers is the method. In 

 peonies is a good place to look. 



ToMOXiA Costa 



T. LiNEELLA LcC (7805). Duck Brook, Aug. 18, beating- 

 bushes. 



MoRDELLA Linnaeus 



M. scuTELLARis Fab. (7811). Found on Solidago and other 

 Compositae at times in numbers ; Gt. Pond, Sept. 7. 



M. MARGiNATA Melsh. (7817). Found on flowering bushes and 

 Compositae until Sept. Penikese, Sept. 7 ; Sec. 26, July 12 ; 

 Station F288, Sept. 19. 



MORDELLISTENA Costa 



M. TRiFASciATA (Sav) (7838). Salisbury Cove, Aug. 11. 



M. LiMBALis (Melsii.) (7841). S. W. Harbor; Eagle Lake; 



Bar Harbor, July 20-29. 

 M. scAPULARis (Say) (7858). Eagle Lake, July 18. 

 M. CER^acALis LeC. (7859a). 'Mt. Desert' on specimen in N. E. 



S. N. H. 

 M. ERRANS Fall (7864). Bar Harbor, July 20. 

 M. NIGRICANS (Melsh.) (7879). Mt. Desert, July 20 (McAtee). 

 M. MARGiNALis (Say) (7901). Bar Harbor, Aug. 10. 

 M. sp. Green Mt. summit sweeping bushes, July 26. 



