Trichapion is a genus of weevil in the family Brentidae.
Species include: Trichapion aurichalceum (type species) Trichapion lativentre (Sesbania flower weevil) Trichapion nigrum Trichapion porcatum Trichapion rostrum (Baptisia seed pod weevil)
Several Trichapion species were formerly included in genus Apion.
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