Pacific-mexico

Guides

• Trichobaris compacta

  datura weevil

  Trichobaris compacta is a flower weevil in the family Curculionidae, commonly known as the datura weevil. The species has been documented from the southwestern United States through the Pacific coastal ranges of Mexico to the Tehuantepec Isthmus. Genetic analysis indicates it forms a single genealogical lineage with admixed population structure, showing no geographic barriers to gene flow across its range despite utilizing different host plant species in different regions.

  weevilCurculionidaeDaturahost-specificityphylogeographyseed-predatorSonoran-DesertPacific-MexicoCOIhaplotype