THE MOUNT DESEET REGION 207 



1). arcuata form genicula (Jrl. (4020). X. E. Barbor, July 

 19 (Minot) ; Corfield. Tliis is the spring- form. 



I), bilineata Pack. (4021). X. E. Harbor (Minot); Corfield 

 and Penikese at light, May 28-July 19. The larva feeds 

 on birch. 



(tEOMETRIDAE 

 P.REPHOS Zinck 



B. infans Moesch. (4023). Bar Harbor, April 12-May 1 

 (Br.). Tins northern form is not common here. The larvae 

 feed upon white birch. 



Alsophila Hiibner 



A. pometakia Harr. (4026). Fall Cancel- Worm. A serious 

 pest on a large number of plants and shrubs. The females 

 are wingless. Bar Harbor, Xov. 7-22 (Br.). 



Nemoria Hiibner 



X r . mimosama Gn. (4048). Penikese at light; Bar Harbor, 



June 7-19. 

 X\ rubrifrontaria Pack. (4049). Penikese at light, June 



18-25. Bar Harbor, June 18-28. 



Syxchlora Guenee 



S. aerata Fal). (4070). Near Bar Harbor (Burton); Bar 

 Harbor (Br.), July 1-4. The larva feeds on blackberry and 

 raspberry. 



S. rubrifrontaria Pack. (4074). Bar Harbor, dune 30-Julv 

 25. 



Chlorissa Stephens 



C. subcroceata Wlk. (4088). Rhodora Meadow, June 6 

 (Br.). Rare. 



Mesothea Warren 



M. incertata Wlk. (4089). Mt. Desert, May 5-20 (Br.). 

 Blueberry is one of the food plants. 



