Butterflies of the
Amazon and Andes
Family - HESPERIIDAE
subfamily - PYRGINAE
Tribe - EUDAMINI
Tatama NP, Colombia
© Adrian Hoskins
Pyrginae, popularly known as Flats or Spreadwings, are a
cosmopolitan subfamily distributed across temperate and tropical
habitats throughout the world. In the Americas there are 990
The tribe Eudamini includes 44
genera in the Americas, amongst which are the Long-tailed Skippers
and Aguna; and other familiar genera
Astraptes Pellicia and
genus Autochton, previously known as
Cecropterus, comprises of 13 smallish
species which are characterised by having chocolate brown wings that
bear a single white or creamy median band, and either 2 or 3 tiny
apical spots. Most species also have a whitish margin to the
hindwings. They can be distinguished by differences in the shape of
the median band, the configuration and number of apical spots, and
the pattern on the underside hindwings.
Autochton longipennis is a common
species distributed from Mexico to southern Brazil.
This species occurs in forest edge habitats at altitudes between sea
level and about 1600 metres.
The butterflies are usually encountered
singly, and normally seen basking with wings outspread on low foliage.
They roost overnight under the leaves of trees and bushes.