Polyderis laeva
(Say, 1823)
Polyderis laeva is a small () currently treated as a junior synonym of Tachys laevus. The was described by Thomas Say in 1823 from North material. Like other members of the tribe Bembidiini, it belongs to a diverse group of minute carabids often associated with moist microhabitats. The Polyderis is now generally subsumed within Tachys, reflecting ongoing taxonomic revision in this challenging group.
Pronunciation
How to pronounce Polyderis laeva: /ˌpɒlɪˈdɛrɪs ˈleɪvə/
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Distribution
Recorded from Canada and the United States, specifically including Vermont.
Similar Taxa
- Tachys laevus (Say, 1823)Polyderis laeva is currently synonymized under this name; the two represent the same with different generic placements.
More Details
Taxonomic Status
Polyderis laeva is listed as a synonym in major taxonomic databases (Catalogue of Life, GBIF). The accepted combination is Tachys laevus (Say, 1823), with Polyderis treated as a subgenus or synonym of Tachys by most recent authorities.