THE MOUNT DESERT REGION 273 



X. designata emendata Pears. (4511a). Witch Hole Pond; 

 Eden; Corfield, July 30-Aug. 10. The larva feeds on Cruci- 

 ferae, wild and cultivated. 



X. ferrugata Clerk. (4516). N. E. Harbor; S. W. Harbor; 

 Corfield, July 15-24. The larva feeds on Polygonum. 



X. ferrugata form unidentakia Haw. (4516). X. E. Harbor 

 (Minot) ; Penikese, July 20-Aug. 10. 



X. iduata Gn. (4527). S. W. Harbor, July 10-15. Bar Har- 

 bor (Br.), July 10-27. 



X. abrasaria congregata Wlk. (4530a). Bar Harbor, June 

 29-July 2. 



Percnoptilota Hulst 



P. obstipata Fab. (4535). X. E. Harbor; S. W. Harbor; 

 Penikese and Corfield at light, June 17-Aug. 15. Larva 

 feeds on elm, Polygonum, etc. 



Entephria Hiibner 



E. aurata Pack. (4540). X. E. Harbor, July 25-Aug. 25. 

 Scarce. 



Mesoleuca Hiibner 



M. ruficillata Gn. (4546). X. E. Harbor (Minot); Bar 

 Harbor (Br.), June 7-Aug. 9. The larva feeds on birch. 



Spargania Guenee 



S. magnoliata Gn. (4555). Bar Harbor, July 14- Aug. 16. 

 S. luctuata obductata Moesch. (4556a). S. W. Harbor, July 

 16. 



Euphyia Hiibner 



E. intermediata Gn. (4558a). X. E. Harbor; Echo Lake; 

 Bar Harbor (Br.), June 30-Aug. 29. The larva feeds on 

 blackberry, birch, etc. A common form from early in the 

 year to Sept. 1. 



