Butterflies of the
Amazon and Andes
Family - HESPERIIDAE
subfamily - PYRGINAE
Tribe - ERYNNINI
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 species.
genus Potamanaxas comprises of 15 known
species, distributed variously from Nicaragua to Bolivia.
Potamanaxas paralus is endemic to Peru.
This species appears to be confined to transitional rainforest /
cloudforest in the eastern Andes of Peru, at altitudes between about
Potamanaxas larvae are green with brown
heads. They live solitarily within a shelter constructed by silking
together leaves of the foodplants, which are
Sphyrospermun and other Ericaceae.
Tingo Maria, Peru ©
observation I have of this species is the adult illustrated above,
which I watched for several minutes as it basked on grasses, settled
on rocks, and fed at liquefied bird droppings on a forest path.