Pseudotychius
Blatchley, 1922
Species Guides
1Pseudotychius is a of small brentid weevils in the Nanophyinae, established by Blatchley in 1922. The genus contains at least one , P. watsoni, which has been suggested to associate with wetland plants in the Lythraceae. Members of Nanophyinae are generally minute weevils with elongated bodies and reduced .
Pronunciation
How to pronounce Pseudotychius: //ˌsjuːdəʊˈtaɪkiəs//
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Identification
As Nanophyinae, in this likely exhibit the 's characteristic minute size, slender cylindrical body form, and abbreviated that expose several abdominal tergites. The rostrum is typically short and stout compared to other brentids. Definitive generic-level diagnostic features require examination of .
Habitat
Wetland associated with Decodon verticillatus (swamp loosestrife), which grows in aquatic or semi-aquatic environments. This association is based on a suggested relationship for P. watsoni and may not apply to all in the .
Distribution
Original description by Blatchley (1922) implies a North American distribution, though specific range details are not documented in available sources.
Host Associations
- Decodon verticillatus (Lythraceae) - suggested Association proposed for P. watsoni based on collection data; not confirmed as definitive
Similar Taxa
- TychiusSimilar name and both occur in Brentidae, but Tychius belongs to Apioninae rather than Nanophyinae; Pseudotychius is distinguished by its placement in Nanophyinae and likely smaller size with more abbreviated
More Details
Taxonomic note
The was established by Blatchley in 1922 with P. watsoni as the type . The Nanophyinae was historically treated as a separate (Nanophyidae) but is now classified within Brentidae.