The known species of the genus Achagua Rindge, 1983, with the description of three new species from the Neotropics (Geometridae: Ennominae)

The previously monotypic geometrid genus Achagua (Ennominae: Nacophorini) is reviewed following the discovery of three undescribed species. New species are as follows: A. cooperae n. sp. described from Costa Rica, A. magna n. sp. described from Ecuador, Peru, and Bolivia; and Achagua velata n. sp. described from French Guiana. Available COI barcode data is briefly reviewed, and adult and genitalic illustrations are provided for each of the four known species.

Automated summary

The previously monotypic geometrid genus Achagua (Ennominae: Nacophorini) is reviewed after the discovery of three undescribed species, which are found in Costa Rica, Ecuador, Peru, Bolivia, and French Guiana. The available COI barcode data is briefly reviewed, and illustrations of adults and genitalic structures are provided for the four known species.