A new species of Vehilius Godman, 1900 (Lepidoptera, Hesperiidae, Hesperiinae) endemic to the Caatinga, northeastern Brazil: taxonomy, biology and behavior.

A new species belonging to the genus Vehilius Godman, 1900, Vehilius jabre Medeiros, Souza & Kerpel sp. nov., endemic to the Caatinga biome, northeastern Brazil, is here described based on data from adult and immature stages.

Taxonomic revision of the genus Panca Evans, 1955 (Hesperiidae: Hesperiinae: Hesperiini: Moncina) with the description of two new species.

The South American genus Panca Evans, 1955 and its respective species are revised. Previous to this study, the genus included solely its type species, Lerodea subpunctuli Hayward, 1934, until Panca moseri Dolibaina, Carneiro O. Mielke, 2017 was described recently.

Two new Andean species of Alychna Grishin, 2019 (Hesperiidae, Hesperiinae, Hesperiini, Moncina) from Bolivia and Peru.

Two new species of Alychna Grishin, 2019, Alychna chulumani Medeiros, Dolibaina O. Mielke sp. nov.

Taxonomic revision of Artines Godman, 1901 (Hesperiidae: Hesperiinae: Moncini) with the description of nine new species.

The genus Artines Godman, 1901 and its respective species are revised. The results shows that Artines consists of 15 species distributed from Mexico to Bolivia, Paraguay, southern Brazil and northern Argentina. Nine new species are described: Artines panama Medeiros Carneiro sp.

Taxonomic revision of the genus Tarmia Lindsey, 1925 stat. rev. (Hesperiidae: Hesperiinae: Hesperiini: Moncina) with the description of a new species from the Andes.

The genus Tarmia Lindsey, 1925, long considered a junior synonym of Phanes Godman, 1901, is here revised and its status is revalidated based on morphological evidence. Two Andean species are included in Tarmia: the type species, T. monastica Lindsey, 1925 comb.