THE MOUNT DESERT REGION 159 



Gastkoidea Hope 



G. POLYGONi (Linn.) (15701). Sweeping grass and Polygonum. 

 The latter is its food plant. Bar Harbor, June 17. 



LiNA Megerle 



L. iNTERRUPTA (Fab.) (15708). Bar Harbor, June; Mt. Desert 

 (Br.), June 15. The variety with all legs red was also 

 taken. Bar Harbor (Br.), June 7. 



L. TREMULAE (Fab. ) ( 15709 ) . An introduced European species. 

 Bar Harbor, July 10. 



Phyllodecta Kirby 



P. vuLGATissiMA (Liuu.) (15717). Eagle Lake; Seal Harbor 

 (Stowell), July 18- Aug. 15. It feeds on willow and poplar. 



P. AMERICANA Schaeffer (21385). One specimen taken. Station 

 F278, June 23. 



Trirhabda LeConte 



T. viRGATA LeC. (15726). Very common especially in Sept. 

 and can be swept any place. Feeds on goldenrod. 



GaIjErucella Crotch 



G. coNFERTA (LeC.) (15744). All of this genus has its particu- 

 lar plant on which it is found. Sw^eeping individual plants 

 should be followed and a careful record kept. Station F288. 



G. CAvicoLLis (LeC.) (15746). Feeds on the leaves of wild 

 cherry. Penikese, June-July beating. 



G. NYMPHAEAE (Liuu. (15751). On the leaves of Nymphaeae 

 advena in the ponds, July and Aug. 



G. DECORA (Say) (15753). Found on willow generally. Peni- 

 kese sweeping, June 1; S. W. Harbor; Bar Harbor, June 

 27-Aug. 18; Station F94. 



G. KALMiAE Fall (20194). Prefers the leaves of laurel. Peni- 

 kese, May 29 on wild mustard. Green Mt. summit laurel, 

 Aug. 8 ; Long Pond ; Bar Harbor, July 17- Aug. 18. 



