Hamotus
Aubé, 1844
Species Guides
3- Hamotus electrae(ant-loving beetle)
- Hamotus elongatus
- Hamotus opimus
Hamotus is a of ant-loving beetles (myrmecophilous rove beetles) in the Staphylinidae, Pselaphinae. The genus contains nine described distributed primarily in North America. These beetles are associated with colonies, though specific ecological relationships remain poorly documented for most species. The genus was established by Aubé in 1844.

Pronunciation
How to pronounce Hamotus: /hæˈmoʊtəs/
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Identification
Members of Hamotus can be distinguished from other pselaphine by characters of the subtribe Somatipionina, including compact body form and reduced wing venation typical of the group. Definitive identification to requires examination of male genitalia and other microscopic features. The genus is morphologically similar to other Tyrini genera, necessitating taxonomic keys for reliable determination.
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Habitat
of Hamotus are found in association with nests and surrounding soil litter environments. They occupy decaying organic matter and humus-rich soils where ant colonies occur.
Distribution
The is recorded from North America, with described from the United States and adjacent regions. Specific locality data for individual species includes records from eastern and central North American states.
Host Associations
- Formicidae - myrmecophilyAnt-loving beetles; specific relationships are not well documented for most Hamotus species.
Behavior
Myrmecophilous; associated with colonies. The behavioral mechanisms facilitating this association (whether inquilinism, commensalism, or other forms) have not been detailed in published literature for most .
Ecological Role
As myrmecophiles, these beetles participate in complex colony , though their specific functional roles remain undocumented.
Similar Taxa
- Other Tyrini generaShares subtribe Somatipionina characteristics; requires detailed morphological examination to distinguish.
More Details
Taxonomic history
Hamotus was established by Aubé in 1844 with Hamotus latericius as the type . The has undergone limited taxonomic revision, with most species described prior to 1950. Recent phylogenetic work on Pselaphinae has placed Hamotus within the Tyrini tribe, subtribe Somatipionina.