Aleodorus

Say, 1833

Species Guides

3

Aleodorus is a of rove beetles (Staphylinidae) in the tribe Falagriini, first described by Thomas Say in 1833. The genus contains approximately 15–18 recognized distributed across the Americas. Four North American species are well-documented: A. bilobatus, A. intricatus, A. partitus, and A. scutellaris. As members of the Aleocharinae, these are small to medium-sized rove beetles with the characteristic abbreviated of the .

Pronunciation

How to pronounce Aleodorus: /ˌæl.iˈoʊ.dɔr.əs/

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Identification

Aleodorus can be distinguished from other Falagriini by a combination of characters including the structure of the and details of the mouthparts, though precise identification requires examination of genitalic characters. The genus is placed in Falagriini based on tribal synapomorphies including the presence of a distinct mesosternal process and specific configurations of the tarsal segments. Species-level identification within Aleodorus relies on subtle differences in male genitalia and patterns of the abdominal sternites.

Distribution

Distributed in the Americas. Documented occur in North America, with records from the United States. The full extent of the 's range in Central and South America is suggested by estimates of 15–18 total species but requires further documentation.

Similar Taxa

  • Other Falagriini genera (e.g., Falagria, Myrmecocephalus)Share the same tribal placement and general body plan; distinguished by genitalic and mouthpart structures requiring microscopic examination.
  • Other Aleocharinae generaSimilar small body size and abbreviated ; Aleodorus is distinguished by specific tribal characters of Falagriini including mesosternal .

More Details

Taxonomic history

The was established by Thomas Say in 1833 with Aleodorus bilobatus as the type . Authority dates vary in sources (Say, 1830 vs. Say, 1833) due to publication history of Say's works.

Species inventory

While four North American are consistently listed in major databases (ITIS, GBIF, BugGuide), the is estimated to contain 15–18 species total, suggesting substantial undescribed or Central/South American diversity.

Sources and further reading