Peltophorus
Decelle, 1972
Peltophorus is a of in the ( Baridinae, tribe Zygopini). The genus contains multiple distributed in Mexico, including P. polymitus and P. adustus. Species in this genus are associated with succulent plants, particularly agaves and cacti. P. polymitus has been documented feeding on at least seven Agave species and has been recorded in wild agave plantations, though it has not been formally designated as an agricultural pest.



Pronunciation
How to pronounce Peltophorus: //ˌpɛl.toʊˈfɔː.rəs//
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Habitat
Wild agave plantations; associated with cultivated and wild stands of succulent plants including Agave and . Specific records include wild maguey alto (Agave inaequidens) plantations in Michoacán, Mexico.
Distribution
Mexico. Documented from multiple states including Michoacán and Durango. P. adustus represents a first report for Mexico, indicating ongoing range documentation for the .
Diet
. P. polymitus feeds on various Agave . P. adustus has been recorded on robusta and Opuntia tomentosa.
Host Associations
- Agave angustifolia - recorded of P. polymitus
- Agave cupreata - recorded of P. polymitus
- Agave durangensis - recorded of P. polymitus
- Agave kerchovei - recorded of P. polymitus
- Agave palmeri - recorded of P. polymitus
- Agave tequilana - recorded of P. polymitus
- Agave inaequidens - first documented occurrence for P. polymitus; wild maguey alto plantation in Michoacán
- Opuntia robusta - new association for P. adustus in Mexico
- Opuntia tomentosa - new association for P. adustus in Mexico
Behavior
Causes visible damage to plants. One study documented 166 specimens and 172 in a single wild plantation, suggesting localized abundance.
Human Relevance
Associated with economically important plants: Agave tequilana is used for tequila production, and Agave inaequidens is used for mezcal production, food, and medical purposes by rural . Despite this association, P. polymitus has not been formally designated as a .
More Details
Molecular research
First mitochondrial COI gene sequencing and molecular phylogenetic analysis for P. polymitus has been conducted, with analysis based on COI sequences of Zygopini .
Sources and further reading
- BugGuide
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Distributional Extension of Peltophorus polymitus (Boheman 1845)1 at Durango, Mexico
- New host association and first molecular determination of Peltophorus polymitus (Coleoptera: Curculionidae) in Mexico
- First Report ofPeltophorus adustus(Fall) (Coleoptera: Curculionidae: Baridinae) in Mexico, with Two New Host Associations