THE MOUNT DESERT REGIOiSr 161 



DisONYCHA Chevrolat 



D. PENNSYLVANiCA (Illig.) (15895). Found ill moist meadows. 



Bar Harbor (Br.), May 12. 

 D. QuiNQUEViTTATA (Say) (15896). To be looked for on willow 



and poplar. Bar Harbor, Sept. 13; Penikese sweeping, 



Oct. 1. 

 D. coLLATA (Fab.) (15911). Sweeping in low places. Pretty 



Marsh Landing, Aug. 21. 



D. LATiFEONS Schffr. (20204). This conspicuous beetle was 

 not taken until 1937 and then numbers were swept at Pretty 

 Marsh, Sept 6, Station F289 and some scattering. 



Altica (Haltioa) Geoffrey 



A. BiMAKGiNATA Say (15916). Station F158 on poplar trees, 



Sept. 23. 

 A. AMBiENs ALNi Harris. (A himarginata Woods not Say.) 



Alder Flea-beetle. Collected from an isolated alder bush 



which they were defoliating. The large blue flea beetles 



have been confused in the past. See Blake in Proc. Ent. 



Soc. Wash., vol. 38, no. 2. 

 A. iGNiTA 111. (15920). Bar Harbor, June 13; Station F239 



at Sunken Heath. 

 A. RosAE Woods (15921). Feeds on wild rose. S. W. Harbor, 



July 11. 

 A. SYLVIA Mall, (torquata Woods nee. LeC.) (20222). Green 



Mt. summit sweeping bushes, July 26 ; swept from blueberry 



(Br.), Sept. 26. 



Chalcoides Foudras 



C. HELXiNES (L) (15968). Feeds on poplar and willow and is 

 generally distributed. May is the optimum month. 



Epitrix Foudras 



E. cucuMERis Harr. (15982). The Cucumber Flea-beetle has 

 the preference that its name indicates but is also found on 

 other field and garden crops in Aug. 



