Valda
Casey, 1893
Species Guides
1Valda is a of ant-loving beetles in the Staphylinidae, Pselaphinae. These beetles are myrmecophilous, meaning they live in association with ants. The genus was established by Casey in 1893 and belongs to the tribe Valdini, which is named after it. Members are small, typically cryptic beetles found in leaf litter and soil .
Pronunciation
How to pronounce Valda: /ˈvaldə/
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Identification
Valda can be distinguished from other pselaphine by their compact body form and the structure of the and . As with many pselaphines, identification to species level often requires examination of male genitalia and other microscopic features. The genus is characterized by features of the foveal system on the elytra and pronotum.
Habitat
Host Associations
- Formicidae - myrmecophilyAnt-loving beetles that live in association with colonies; specific ant are poorly documented
Behavior
Myrmecophilous; these beetles have been observed living in colonies, though the specific nature of the relationship (whether , , or ) varies and is not well documented for most .
Ecological Role
Likely contributes to nutrient cycling in leaf litter through their association with colonies; specific ecological functions are poorly studied.
Similar Taxa
- Other Pselaphinae generaMany pselaphine share small size and compact body form; Valda is distinguished by tribal-level characters and specific foveal patterns
- Other Valdini generaWithin the same tribe, Valda can be separated by genitalic and exoskeletal characters, particularly details of the lobe and parameres
More Details
Taxonomic history
The Valda was established by Thomas Lincoln Casey Jr. in 1893. The tribe Valdini was subsequently named after this genus, indicating its significance as a type genus for the group.
Etymology
The name Valda is of uncertain etymology; Casey did not provide an explicit derivation, but it may be arbitrary or based on an anagram or classical reference.