Hydrochara rickseckeri
(Horn, 1895)
Ricksecker's Water Scavenger Beetle
Hydrochara rickseckeri is a rare, California- water scavenger beetle in the Hydrophilidae. It is one of the few Hydrochara native to North America. The species was described by Horn in 1895 and remains poorly known due to its limited distribution and scarcity of observations.
Pronunciation
How to pronounce Hydrochara rickseckeri: /hɪˈdrɒkərə rɪkˈsɛkəri/
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Identification
As a member of Hydrochara, it belongs to a distinguished by large body size among Hydrophilidae and characteristic antennal with a compact, three-segmented club. Specific diagnostic features separating H. rickseckeri from are not documented in available sources. The may be distinguished from other California Hydrophilidae by its combination of large size and status, though precise identification requires examination of genitalic characters.
Distribution
to California, United States. Known from limited localities within the state. GBIF records confirm presence in California only.
Similar Taxa
- Hydrochara obtusataThe only other North American Hydrochara ; occurs in eastern North America rather than California, allowing geographic separation
- Other Hydrophilidae genera (e.g., Hydrophilus, Tropisternus)Large aquatic scavenger beetles that share and general ; Hydrochara is distinguished by its antennal club structure and specific elytral punctation patterns
More Details
Taxonomic note
Authority is sometimes cited as Horn, 2017 in recent sources, though NCBI and standard references indicate Horn, 1895 as the original description date. The basionym Hydrocharis rickseckeri reflects its original placement in the Hydrocharis.
Conservation status
Considered rare based on limited observations (5 records on iNaturalist) and restricted distribution. No formal conservation status assessment identified in available sources.