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The taxonomy of the genus Incisus Grishin, 2019 is reviewed, including redescriptions of known species, the description of a new species, Incisus mineirus sp. nov., identification keys, and an updated distribution map. Images of the genitalia for each species are included, with the female genitalia being illustrated for the first time. A lectotype and paralectotype for Antigonus incisus Mabille, 1878, and neotypes for Staphylus ordinarius Hayward, 1933 and Nisoniades aterea Plötz, 1884, are designated. Staphylus ordinarius Hayward, 1933 is a syn. nov. of Incisus fasciatus (Hayward, 1933). Antigonus variegatus Mabille, 1878 is a syn. nov. of Nisoniades macarius Herrich-Schäffer, 1870, and Staphylus dentivittata Hayward, 1933 is a syn. nov. of Staphylus musculus (Burmeister, 1875). Additionally, the subgeneric name Stolla Grishin, 2023 is a syn. nov. of Uniphylus Lemes, Siewert, Mielke, Casagrande & Warren, 2023.

Staphylus evemerus Godman & Salvin, 1896 is a species with a unique set of morphological characters within Carcharodini. Also, mitochondrial cytochrome oxidase subunit 1 (COI) sequences analysis demonstrated a large genetic distance with other related genera of the tribe. Therefore, this paper aims to describe a new genus for this species, which is named as Uniphylus gen. nov. Besides the morphological redescription of the male of Uniphylus evemerus (Godman & Salvin, 1896) new comb., the description of the female is provided for the first time, as well as an updated distributional map with all records known so far for this species.

J. F. Zikán described several new taxa of butterflies from the Neotropical region. The majority of the butterfly types of J. F. Zikán was deposited at the Instituto Oswaldo Cruz, Rio de Janeiro, Brazil (IOC). However, some type series were found to be incomplete. The present paper discusses and illustrate some type specimens of Papilionidae and Nymphalidae from J. F. Zikán found in Dissmann's collection, that now is deposited at Museu de Diversidade Biológica from University of Campinas - UNICAMP, Campinas, São Paulo, Brazil (ZUEC)., (© 2022. Sociedade Entomológica do Brasil.)

The Neotropical skipper genus Augiades Hbner, [1819] (Lepidoptera: Hesperiidae) is revised. Neotypes are designated for Hesperia vespasius Fabricius, 1793, and Phareas epimethea Pltz, 1883. Lectotypes are designated for Papilio crinisus Cramer, 1780, and Lignyostola crinisus var. bicolor Mabille Boullet, 1919. Illustrations of adults and male and female genitalia, distribution maps, and an identification keys are provided for all taxa.

Telemiades Hübner, [1819] is currently comprised of 22 species and 14 subspecies distributed exclusively in the neotropics. The genus is defined by the morphological pattern of the uncus, apiculus, labial palpi and venation. However, some species have a uniform pattern of coloration making it difficult to establish their correct identity in some cases. The aims of the present study were to present a taxonomic revision of Telemiades Hübner, [1819] in order to provide a stable taxonomic hypothesis for the group, to describe the new species and to present diagnoses to help in species identification. According to the present study, Telemiades is now composed of 41 species. Fourteen new species are recognized and described. Three subspecies are here treated as valid species: T. marpesus (Hewitson, 1876) stat. rest., T. misitheus Mabille, 1888 stat. rest. and T. pekahia (Hewitson, 1868) stat. rest. Two synonyms are treated as valid species: T. insulsus (Draudt, 1922), stat. rev. and T. xantho Hayward, 1939 stat. rev. Five new synonyms are proposed: Plesioneura lamus Mabille, 1888 syn. nov. and Telemiades antiope tosca Evans, 1953 syn. nov. of T. antiope (Plötz, 1882), Echelatus punctatus Mabille Boullet, 1917 syn. nov. of T. epicalus Hübner, [1819], Proteides nicola Plötz, 1882 syn. nov. of T. laogonus (Hewitson, 1876) and Eudamus phlius Plötz, 1881 syn. nov. of T. nicomedes (Möschler, 1879). To provide stability for existing names, six neotypes were designated for: Proteides amphion Geyer, 1832, Plesioneura compressa Möschler, 1877, Papilio avitus Stoll, 1781, Telegonus mygdon Möschler, 1877, Proteides aesopus Plötz, 1882 and Papilio corbulo Stoll, 1781; and 19 lectotypes for: Aethilla buffumi Weeks, 1906, Eudamus marpesus Hewitson, 1876, Telemiades misitheus Mabille, 1888, Pterygospidea pekahia Hewitson, 1868, Telemiades lurideolus Mabille, 1877, Eudamus laogonus Hewitson, 1876, Eudamus penidas Hewitson, 1867, Telemiades ceramina Herrich-Schäffer, 1869, Telemiades megalloides Schaus, 1902, Pythonides hoyti Weeks, 1906, Eudamus praestes Hewitson, 1876, Telemiades epicalus Hübner, [1819], Eudamus phasias Hewitson, 1867, Telemiades arcturus Herrich-Schäffer, 1869, Echelatus punctatus Mabille Boullet, 1917, Eudamus centrites Hewitson, 1870, Telegonus gallius Mabille, 1888, Telegonus nicomedes Möschler, 1879, and Arteurotia meris Plötz, 1886.

Three new species of Drephalys Watson, 1893 from Brazil are described as follows: D. dracarys Madruga, Siewert, Mielke Dolibaina, sp. n. from Acre, Mato Grosso and Rondônia states, D. electrinus Siewert, Madruga, Mielke Dolibaina, sp. n. from Acre and Amazonas states, and D. citrinus Madruga, Siewert, Mielke Casagrande, sp. n. from Amazonas state. Drephalys heraclides Bell, 1942 was reported for the first time from Brazil. To characterize the new species, illustrations of the male genitalia of D. heraclides, D. phoenice (Hewitson, 1867) and D. phoenicoides (Mabille Boullet, 1919) are provided. Diagnosis, adult photos, illustration of the male genitalia and a geographical distribution map are provided for the new species.

Euptychia saltuensis Hayward, 1962, new synonym, currently regarded as a nomen dubium and possibly a junior subjective synonym of Yphthimoides manasses (C. Felder R. Felder, 1867), is here treated as a junior subjective synonym of Yphthimoides patricia (Hayward, 1957), based on morphological characters of the male genitalia and the DNA barcode. The taxonomic status of Y. patricia is re-examined, and a detailed redescription of the adult morphology, including the male genitalia, is presented. Information on the distribution, habitat and immature stages of Y. patricia is also provided. Yphthimoides patricia is clearly a distinct species from Y. manasses based on the analysis of DNA barcode sequences and the morphology of the male genitalia.

The species of Mesene Doubleday, 1847 collected at the Parque Nacional da Serra do Divisor, Acre, Brazil (PNSD) are listed and supplemented by taxonomic and behavioral notes. In total, 30 specimens were collected, representing seven species including one new: M. monostigma monostigma (Erichson, [1849]), M. nepticula stigmosa Stichel, 1910, M. eupteryx Bates, 1868 stat. rest., M. paraena Bates, 1868, M. epaphus pyrrha Bates, 1868, M. leucophrys Bates, 1868, and M. gracielae sp. nov. The following notes on the taxonomy of Mesene are proposed: M. eupteryx Bates, 1868 stat. rest. is recognized as a valid species, M. epaphus sertata Stichel, 1910 syn. nov. is a new synonym of M. epaphus pyrrha Bates, 1868, and M. lecointrei P. Jauffret & J. Jauffret, 2008 syn. nov. is a new synonym of M. philonis Hewitson, 1874. Mesene margaretta (White, 1843), M. philonis and M. nola are recognized as closely related. Species encountered at the PNSD are illustrated, including the genitalia of males and females, when available.

Four new species of Pierella Westwood, 1851 from Brazil are described: P. angeloi Zacca, Siewert & Mielke sp. nov. from Maranhão, P. kesselringi Zacca, Siewert & Paluch sp. nov. from Paraíba, Pernambuco, Alagoas and Sergipe, P. nice Zacca, Siewert & Paluch sp. nov. from Bahia and P. keithbrowni Siewert, Zacca & Casagrande sp. nov. from Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Paraná and Santa Catarina. Additionally, P. chalybaea Godman, 1905 stat. rest. and P. boliviana F.M. Brown, 1948 stat. nov. are recognized as valid species and not as subspecies of P. lamia (Sulzer, 1776), while P. l. colombiana Constantino & Salazar, 2007 syn. nov. is synonymized to the former. Lectotype and paralectotype of Papilio dyndimene Cramer, 1779 (a synonym of Pierella lamia) and Pierella chalybaea Godman, 1905 stat. rest. are designated. Habitus and illustrations of male and female genitalia are provided for all species, as well as a geographical distribution map.

A new species of Tosta Evans, 1953 from northeast Brazil is described: T. pseudospeculum Siewert, Mielke & Casagrande, sp. nov. Additionally, the female of Tosta tosta Evans, 1953, the type species of the genus, is described for the first time. Illustrations of adults and male and female genitalia for all studied species are provided, as well as a discussion of the placement of the genus within the tribe Achlyodini.

This paper describes four new species of Moneuptychia as follows: M. montana Freitas, M. vitellina Freitas & Barbosa, M. pervagata Freitas, Siewert & Mielke and M. wahlbergi Freitas, Barbosa, Siewert & Mielke from south and southeastern Brazil. Details are presented on the morphology of adults of all species, and immature stages for two species, and we discuss the taxonomy and identification of the genus Moneuptychia. The mitochondrial CoxI "barcode" region was used for exploring the utility of this DNA marker to identify these species, giving strong support for all new species.

Three new species of Anteros Hübner, [1819] from south and southeastern Brazil are described: A. aliceae Dias & Siewert, sp. nov., A. zikani Siewert, Dias & Dolibaina, sp. nov. and A. ethani Dias, Dolibaina & Mielke, sp. nov. Habitus and genitalia of male and female specimens of the new species are illustrated, along with illustrations of the habitus and male genitalia of the most similar species for proper distinction. The following taxonomic changes are proposed: A. micon Druce, 1875, stat. rest., A. roratus Godman & Salvin, 1886, stat. rest., and A. theleia Stichel, 1910, stat. nov. Anteros formosus stramentarius Stichel, 1909, syn. nov. is sunk as a junior subjective synonym of A. formosus. Additionally, Ourocnemis axiochus (Hewitson, 1867), stat. rest., is recognized as a species distinct from O. archytas (Stoll, 1787); illustrations of the male genitalia and of the differential characters of the wing pattern of both species are provided. A male of the rare Ourocnemis boulleti Le Cerf, 1911, is reported from southeastern Peru. Distributional data and a map are provided for all species studied.

A new species of Satyrinae butterfly from the Brazilian Savanna, Magneuptychia flavofascia n. sp., is described based on adult morphological characters with a discussion about its placement within the genus.

A new species of Riodinidae from the grasslands of South Brazil, Paraguay and Argentina, Aricoris schneideri sp. nov., is described.

A new species of Taygetis Hübner, [1819] (Lepidoptera, Nymphalidae, Satyrinae) from southeastern Brazil is described: Taygetis drogoni sp. n. In addition, T. servius Weymer, 1910 and T. fulginia d'Almeida, 1922 are resurrected from synonymy and a taxonomic discussion on the species T. ypthima Hübner, [1821] and T. rectifascia Weymer, 1907 is provided. A dichotomous key for the species is also provided.