- One of the Palpicornia, a team of aquatic beetles with quick club-shaped antennae and lengthy maxillary palpi.
- among a small grouping of aquatic beetles (Palpicornia) having short club-shaped antennæ, and lengthy maxillary palpi.
- a lengthy labial palpus, like an antenna.
- A palpicorn beetle.
- Having palpi like horns or antennæ, as an insect; getting the characters for the Palpicornia; related to the Palpicornia.