Assertion: butterfly's antenna | /r/CapableOf | dart flight
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text: like geometrid moths; antennae not clubbed; long slim abdomen Hesperiidae Skippers Small, darting flight; clubs on antennae hooked backwards Lycaenidae Blues, coppers, hairstreaks Small, brightly coloured; often have false heads with eyespots and small tails resembling antennae Nymphalidae Brush-footed or four-footed butterflies Usually have reduced forelegs, so appear four-legged;