''Flaccilla aecas'', the aecas ruby-eye, is a species of

skipper butterfly Skippers are a group of butterflies placed in the family Hesperiidae within the order Lepidoptera (moths and butterflies). They were previously placed in a separate superfamily, Hesperioidea, but have since been placed in the superfamily Papilion ...

in the family

Hesperiidae Skippers are a group of butterflies placed in the family Hesperiidae within the order Lepidoptera (moths and butterflies). They were previously placed in a separate superfamily, Hesperioidea, but have since been placed in the superfamily Papilion ...

. It is the only species in the

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus ''Flaccilla''. It is found from Mexico to southern Brazil."''Flaccilla aecas'' (Stoll, 1781)"
''Butterflies of America''. Retrieved December 28, 2017.

References

Hesperiinae Butterflies of Central America Hesperiidae of South America Butterflies of North America Taxa named by Caspar Stoll Butterflies described in 1781 Lepidoptera of Mexico Lepidoptera of Brazil {{Hesperiinae-stub