188 BIOLOGICAL SUBVBT OF 



C. xotatus var. quadrimaculatus Say (15479a). A general 

 feeder and is picked up in beating and sweeping mixed 

 vegetation in July and Aug*. Robinson Mt.; Sec. 15; Sta- 

 tions F51, F63, F104, F143 and F212. 



C. gibbicollis Hald. (15501). Mt. Desert, June 28. 



C. ixcertus Oliv. (15505). Breakneck Pond, Kept. 8. Feeds 

 on the leaves of cranberry, hazel, etc. 



Diachus Leconte 



1). auratus (Fab.) (15521). Taken by sweeping and beat- 

 ing. Green Alt. summit, July 26; Sargent Mt. summit, Aug. 

 21; Echo Lake; S. W. Harbor; Bar Harbor, July 12-10. 



D. catarius (Sufrr.) (15527). Toad Hole, Aug. 14. 



Bassaretjs Haldeman 



B. formosus (Melsh). (15532). Frequents the foliage of 



elder and grape, but may be taken by general sweeping. 



Green Mt., July 20; Sec. 32, Aug. 9; Station F208; Sargent 



Mt., Aug. 21. 

 B. formosus var. sulphuripennis (Melsh.) (15532a). Mt. 



Desert, July 4 (Br.). 



Triachus Leconte 



T. atomus (Sutfr.) (15537). Sweeping bayberry and blue- 

 berry bushes is the way to take these. Long Pond, July 16; 

 Bar Harbor (Br.), June 20. 



T. cerinus Lec. (15538). Bar Harbor (Moore). 



T. vacuus Lec. (15539). Truck garden in Eden, Aug. 27. 



Gk.u'hops Leconte 



G. marcassitus O. (15569). Station F418. 



Xanthonia Baly 



X. decemnotata (Say) (15573). Foliage of beech, elm, and 



oak. Bar Harbor (Br.), Sept. 12. 

 X. 10-notata var. immaculata. Penikese beaten from oak, 



Sept. 10. 



