Males and females very minute, moth like, simulating Microlepidoptera, however no shiny scales. Total length of the insects with wings no longer than 5 mm. Body and wings always strongly hairy. Fore wings set with erect hairs, partly thickened  bulbously. Wing margins lined with long hairs (*), particularly the hind wings; wings of most species acutely pointed.  Antennae with firm, plump segments, shorter than fore wings. Maxillary palps of the males and females 5-segmented, the last segment not flexible or elongate

     .............................................................................Hydroptilidae Stephens

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