Promoresia tardella
(Fall, 1925)
Promoresia tardella is a of riffle beetle in the Elmidae, originally described by Fall in 1925. The species has undergone taxonomic reclassification, with modern sources treating it as a synonym of Optioservus tardellus. It has been recorded from North America, specifically from Vermont in the United States. As an elmid , it likely inhabits freshwater environments, though specific ecological details remain poorly documented.

Pronunciation
How to pronounce Promoresia tardella: /proʊmɔˈriːsiə tɑrˈdɛlə/
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Distribution
Recorded from North America; specific locality documented from Vermont, United States.
More Details
Taxonomic Note
Promoresia tardella was originally described by Fall (1925) but has been reclassified in subsequent taxonomic treatments. Catalogue of Life lists it as a synonym of Heterlimnius tardellus, while GBIF treats it as Optioservus tardellus. The Promoresia is no longer accepted in current classifications, with transferred to Optioservus or Heterlimnius.
Data Deficiency
Very little biological or ecological information is available for this beyond basic taxonomic records and a single documented locality.