248 BIOLOGICAL SI'UVEY OF 



Hkuoteopha Lederer 



R. reneformis (irt. (2457). Bar Harbor, Aug. 16 (Br.). 



This is the typical or lij^ht form. The dark form is atra. 

 II. benifobmis form atra Grt. (2457). Bar Harbor, Aug. 



16-Sept. 10 (Br.). 



Ai'amka Ochsenheimer 



A. vklata Wlk. (2458). X. E. Harbor, July 22 (Minot) ; Bar 



Harbor, July. 

 A. Americana Speyer (2459). Common, Aug. 15-Sept. 15. 



The larva bores into various grasses. 

 A. ixteroceanica Sin. (24(50). Bar Harbor, Aug. 24-Sept. 



23. 



Hydroecia Guenee 



H. immanis On. (2473). The larvae lives in the shoots and 



stems of bops and the adults appear in Aug., Penikese. 

 H. micacea Esp. (2474). Penikese at light, Aug. 13-Sept. <>. 



Papaipema Smith 



P. inquaesitaG. <&K. (2481). Bar Harbor, Sept. 14-27 (Br.). 

 P. marginidexs Gn. (2484). Bar Harbor (Br.) ; Penikese al 



light, Sept. 3-23. 

 P. lysimachiae Bird (2508). Mt. Desert, Sept. !)-17 (Br.). 

 P. pterisii Bird (2509). Corfieid and Penikese at light, 



Sept. 1-Oct. 12. 

 P. frigida Sm. (2521). Corfieid at Ught, Oct. 6. The larvae 



feed upon meadow-rue (Thalictrum polygamum). 



Euplexia Stephens 



E. nENEsiMiLis McD. (2533). N. E. Harbor, June 2(5 (Minot) ; 

 Corfieid and Penikese at light, July 3-9. The larva feeds 

 on birch, Viburnum, etc. 



