Adelpha boreas

Adelpha boreas, the gaudy sister or solitary sister, is a butterfly of the family Nymphalidae. It was described by Arthur Gardiner Butler in 1866. It is found from Costa Rica to Bolivia. The habitat consists of primary and disturbed rainforests and cloudforests at altitudes between 200 and 1,200 meters.

Adelpha boreas
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Adelpha
Species:	A. boreas
Binomial name
Adelpha boreas (Butler, 1866)[1]
Synonyms
Heterochroa boreas Butler, [1866] Heterochroa tizona C. & R. Felder, [1867] Adelpha tizona tizonides Fruhstorfer, 1908 Adelpha verenda Fruhstorfer, 1913 Adelpha boreas opheltes Fruhstorfer, 1915

The wingspan is about 47 mm.^[2] Adults have been observed imbibing moisture from damp ground.

The larvae feed on Satyria species. Young larvae feed on the leaf tips, constructing a chain of frass along the midrib. Full-grown larvae have the appearance of a mossy twig.^[3]

Subspecies

• Adelpha boreas boreas (Costa Rica, Panama, Venezuela, Colombia, Ecuador, Peru, Bolivia)
• Adelpha boreas kayei Hall, 1939 (Guyana)