Beltia is a genus of leaf beetles in the subfamily Eumolpinae. It is known from the Neotropical realm. It was first erected by Martin Jacoby in 1881 for a single species from Nicaragua. In 2018, it was redefined to include fourteen new species from Central America and northwestern South America, as well as four species transferred from Colaspoides.
Species Beltia angustomarginata (Bechyné, 1953) – central Panama Beltia awapita Flowers, 2018 – northwestern Ecuador Beltia chiriquensis (Jacoby, 1882) – central Costa Rica to eastern Panama Beltia confusa Flowers, 2018 – Amazonian Peru Beltia gorgona Flowers, 2018 – Pacific coast of Colombia Beltia herreri Flowers, 2018 – northwestern Costa Rica, northwestern Panama Beltia ledesmae Flowers, 2018 – Ecuador west of the Andes Beltia napoensis Flowers, 2018 – Ecuador, Peru, Colombia (collected along the Napo River) Beltia nicaraguensis Jacoby, 1881 – southern Nicaragua, northern Costa Rica Beltia osa Flowers, 2018 – Costa Rica–Panama border Beltia placidula (Bechyné, 1950) – Amazonian region of northern Peru Beltia rugosa Flowers, 2018 – Pacific coast of Colombia Beltia sanchezae Flowers, 2018 – Costa Rica (Cordillera de Talamanca) Beltia talaga Flowers, 2018 – eastern slope of the Ecuadorian Andes Beltia tilarana Flowers, 2018 – Costa Rica (Cordillera de Tilarán) Beltia tisingalita Flowers, 2018 – Costa Rica–Panama border (Cordillera de Talamanca) Beltia tsachila Flowers, 2018 – western slope of the Ecuadorian Andes Beltia vacilona Flowers, 2018 – Costa Rica Beltia weyrauchi (Bechyné, 1950) – eastern Peruvian Andes
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