Craponius

Small, compact weevils with the characteristic elongated rostrum (snout) typical of Curculionidae. Minute seed weevils in this genus are distinguished by their small body size and association with seeds. Specific diagnostic features for genus-level identification require examination of genitalia and other minute morphological characters; species-level identification is challenging without specialist knowledge.

Seed-feeding; larvae develop within seeds of host plants. Craponius inaequalis has been documented feeding on grape (Vitis spp.), with larvae developing inside grape seeds.

• Vitis - larval food sourceGrape curculio (C. inaequalis)

Complete metamorphosis with egg, larva, pupa, and adult stages. Larvae develop inside seeds, feeding on the seed contents. Adults emerge from seeds after larval development is complete.

Seed predator; reduces seed viability of host plants through larval feeding.

Craponius inaequalis (grape curculio) is an agricultural pest of grapes, causing damage by larval feeding within developing seeds. This can reduce fruit quality and yield in vineyards.

• AnthonomusBoth are seed-feeding weevils in Curculionidae; Anthonomus contains the boll weevil and other economically important species. Craponius is distinguished by smaller size and more specialized seed-feeding habits.
• SmicronyxAnother genus of minute seed weevils; morphological differences in rostrum and body proportions require microscopic examination for separation.

• weevil
• seed feeder
• pest
• vineyard pest

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• Catalogue of Life