Berosus pugnax
LeConte, 1863
Berosus pugnax is a of water scavenger beetle in the Hydrophilidae, native to the United States. It was described by John Lawrence LeConte in 1863. The species is distinguished by having (notched) apices on its . Like other members of the Berosus, it is associated with aquatic or semi-aquatic .
Pronunciation
How to pronounce Berosus pugnax: //ˈbɛr.o.sus ˈpʊɡ.næks//
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Identification
Berosus pugnax can be distinguished from similar Berosus by the (notched) apices of its . This trait is explicitly noted in the original description and serves as a key diagnostic character. Further morphological details for field identification are not documented in available sources.
Distribution
United States: recorded from Florida, Louisiana, Illinois, Indiana, Mississippi, Missouri, South Carolina, and Texas.
Similar Taxa
- Other Berosus speciesBerosus pugnax is distinguished from by its elytral apices; other in the typically have rounded or elytral apices.
More Details
Taxonomic note
The Catalogue of Life lists Berosus pugnax as a synonym, while GBIF treats it as an accepted . This discrepancy suggests some taxonomic uncertainty that may require further verification.
Observation data
iNaturalist records 15 observations of this , indicating it is documented but not commonly encountered in citizen science datasets.