Butterflies of the
Amazon and Andes
Family - HESPERIIDAE
subfamily - PYRGINAE
Tribe - PYRGINI
Pyrgus adepta, Medellin, Colombia ©
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, of which about
580 are assigned to the tribe Pyrgini.
Pyrgus oileus is
probably the most well known and easily recognised member of the
genus Pyrgus, which are known in Europe
as Grizzled Skippers. In North America they are known as Chequered
Skippers, which can be confusing because the butterflies known in
Europe as Chequered Skippers belong to an entirely different
subfamily - the Heteropterinae.
All males in the genus
Pyrgus ( and in several other Pyrginae genera ) have the
basal half of the leading edge of the forewing folded. Within the
fold are hundreds of specialised wing scales called androconia, from
which pheromones are disseminated to entice females into copulation.
species is endemic to Colombia.
Pyrgus adepta can be found in a wide
variety of disturbed semi-open habitats including fields and
pastures, grassland and farmland. It is commonest at elevations
between about 500-1500m.
To be completed.
The butterflies visit a variety of
low growing flowering plants for nectar, usually feeding with the
wings held half open. At dusk they bask for a while before going to
roost on dead flowers or on the terminal leaves of herbaceous plants.