Agna

Smetana, 1978

Species Guides

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Agna is a of water scavenger beetles in the Hydrophilidae, Sphaeridiinae. The genus was established by Smetana in 1978 and is classified within the tribe Megasternini. Members of this genus are small beetles associated with aquatic or moist , though specific ecological details remain poorly documented in available sources.

Agna by (c) Shaunak Modi, some rights reserved (CC BY), uploaded by Shaunak Modi. Used under a CC-BY license.

Pronunciation

How to pronounce Agna: //ˈæɡ.nə//

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Identification

Distinguished from related in Megasternini by genitalic and external morphological characters established in Smetana's 1978 revision. Specific diagnostic features for field identification are not detailed in available sources.

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Habitat

Aquatic or moist environments typical of Hydrophilidae, though specific microhabitat preferences for Agna are not documented in available literature.

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Taxonomic history

The Agna was established by Ales Smetana in 1978 as part of his revisionary work on the Hydrophilidae. It was originally classified within the Porcellionidae (woodlice) in some contexts, but this was an error; Agna is definitively a genus in Hydrophilidae.

Classification note

Agna should not be confused with Agnaridae, a of woodlice (Isopoda: Oniscidea), or with the zeolite chemistry notation (AgNa)-A, which refers to silver-sodium exchanged zeolite materials and has no biological relevance.

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