Ocyusa
Kraatz, 1856
Ocyusa is a of rove beetles ( Staphylinidae) in the tribe Oxypodini. It was described by Kraatz in 1856. The genus contains at least two described : Ocyusa apicalis and Ocyusa argus. Species are recorded from Europe and North America.
Pronunciation
How to pronounce Ocyusa: /oʊˈsaɪ.juː.sə/
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Identification
As a member of the Oxypodini tribe within Aleocharinae, Ocyusa share the characteristic short typical of rove beetles, leaving most of the exposed. Specific diagnostic features for the require examination of subtle morphological characters such as mouthpart structure, tarsal formula, and genitalia. Species-level identification relies on detailed examination of and spermatheca .
Distribution
Europe and North America. Specific country records include Denmark, Norway, and Sweden.
Similar Taxa
- Other Oxypodini generaShares tribe-level characteristics including body form and general aleocharine ; requires examination of mouthpart and genitalic characters for definitive separation.
More Details
Taxonomic history
The was established by Kraatz in 1856. Two are currently recognized: Ocyusa apicalis Normand, 1935 and Ocyusa argus (Normand, 1935), both originally described from Normand's work on the same year.