HESPERIIDAE
(Skippers)
The Skippers are a family of butterflies, the Hesperiidae. They are named after their quick, darting flight. They are a bit different from other butterflies, which are classified in the superfamily Papilionoidea. Skippers have their antennae clubs hooked backward like a crochet. The other butterflies have club-like tips to their antennae. Skippers also have generally stockier bodies than the other two groups, with stronger wing muscles. Hesperioidea is very likely the sister group of Papilionoidea. (Wikipedia)
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HESPERIIDAE; HESPERIINAE
Grass skippers
Hesperiinae larvae feed on grasses and sedges. Adults typically visit flowers and hold their wings together while feeding. They hold their wings partially open while resting, with the forewings and hindwings held at different angles. They are usually orange, rust, or brown in colour and have pointed forewings. Many species have dark markings or black stigmas on their forewings.