THE MOUNT DESERT EEGION 89 



others usually more southern, this presents another good 

 illustration of climatic and environmental conditions favor- 

 able to both northern and southern forms. 



Danaidae 



Danaus Linnaeus {Anosia Hiibner) 



D. ARCHippus Fab. (A. plexippus auct.). Monarch. S. W. 

 Harbor, July, 1918; east of Champlain Mt., 1924 (Burton). 

 I have seen this species but once. It is probably only an 

 occasional visitor during- its northern migration. In the 

 absence of milkweed (Asclepias), the larva could probably 

 feed on dogbane (Apocynum). 



Lycaenidae 



Thecla Fabricius (Strymon Hiibner) 



T. CALANus Hbn. Banded hair-streak. Bar Harbor; Salis- 

 bury Cove, July 18-24. The larva feeds on oak and thorn 

 (Crataegus). 



Incialia Scudder 



I. AUGUSTUS Kby. Brown elfin. Ironbound Isl. (Blaney). 

 I. NiPHON Hbn. Banded elfin. 'Mt. Desert' (Scudder). The 

 larva feeds on pine. 



Heodes Dalman (Chrysophanus auct.) 



H. EPiXANTHE Bdv. & LeC. Least copper. Meadow south 

 of Salisbury Cove, July 14-15, 1923. Larva feeds on cran- 

 berry. 



H. HYPOPHLAEAS Bdv. American copper. Common. Bar 

 Harbor; S. W. Harbor, July 10-Aug. 24. Larva feeds on 

 field sorrel {Rumex acetosella). 



EvERES Hiibner (Lycaena auct.) 



E. coMYNTAS Godart. Tailed blue. Near Bar Harbor. The 

 larva feeds on clover and other leguminous plants. 



Lycaena Linnaeus {Lycaenopsis Feld.) 



L. ARGioLus Linn. (L. pseudargiolus Bdv. & LeC). Common 

 blue. Common, Bar Harbor; S. W. Harbor, June 7-July 

 21. The larva feeds on a great variety of plants. The 



