Skippers are a family,
Hesperiidae, of the Lepidoptera (moths and butterflies). Being diurnal, they are generally called butterflies. They were previously placed in a separate superfamily,
Hesperioidea; however, the most recent taxonomy places the family in the superfamily Papilionoidea. They are named for their quick, darting flight habits. Most have the antenna tip modified into a narrow hook-like projection. More than 3500 species of skippers are recognized, and they occur
(Wikipedia)