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The present study aims to disclose the importance existing protected areas (PAs) and their level of protection for the conservation of the threatened Brazilian butterflies. A total of 898 occurrence records were found for all 63 species of butterflies present in the current Brazilian Red list. For all studied taxa, at least one occurrence record is within the limits of a PA. More than half of the occurrence records (61.9%) are within the limits of PAs, but less than half (41.7%) of these records are present in fully protected areas. For 17 taxa (27%), less than 50% of their records are within PAs, thus being completely unprotected. For butterfly taxa in the category "critically endangered", 42.6% of their occurrence records falls outside PAs. Almost 99% of the records are concentrated in the Atlantic Forest and the Cerrado, the two most threatened Brazilian biomes and global hostspots of biodiversity. In conclusion, the present study showed an important panorama of how threatened Brazilian butterflies are protected (or not). Anyway, it is important to highlight that for any record inside a PA, some level of protection is provided for these taxa against the advance of environmental destruction caused by human activities.

The biology, immature stages, geographic distribution, and systematic position of Glennia pylotis (Godart, 1819) are presented. This species is mostly restricted to the southeastern coastal Atlantic Forest, from the States of São Paulo to Bahia, with sparse records in the interior of Brazil, Argentina, and Bolivia (this locality is most probably spurious-see below). Data on immature stages are based on textual descriptions; pupal skins were illustrated and compared with those of other members of the subtribe Pierina. Based on molecular data, G. pylotis was recovered as a member of the "Leptophobia clade," as the sister group of all other genera in this clade except for Leptophobia. The immature stages are similar to, and host plants are the same, of several other related genera within Pierina, especially the "Leptophobia clade." By compiling all available data, searching for unpublished information in museums (including the finding of empty pupal cases) and adding molecular evidence for G. pylotis, not only its systematic position was elucidated, but its true conservation status could also be assessed., (© 2023. Sociedade Entomológica do Brasil.)

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.)

A new butterfly species, Dynamine sideria Rosa & Freitas sp. nov. (Nymphalidae: Biblidinae), is described from the Atlantic Forest in Southeastern Brazil. The new species is known from only seven adult specimens and three observation records (two from photographs) in five sites, including a large forest reserve, forest fragments on a disturbed landscape, and a backyard in a dense urban site. Illustrations of adults and male genitalia are provided, as well as a distribution map and limited natural history notes., (© 2021. Sociedade Entomológica do Brasil.)

A new satyrine butterfly species, Splendeuptychia tupinamba Freitas, Huertas Rosa, sp. nov. (Nymphalidae: Satyrinae), is described. This species is found throughout a large geographical range in Brazil, Argentina and Paraguay, predominantly in the Cerrado domain, with some records in neighboring Amazonia and Atlantic Forest. Morphology and molecular data indicate that this species is part of a clade that includes Splendeuptychia ashna (the type species of the genus Splendeuptychia), and several species placed in the recently described genus Nubila Viloria, Andrade Henao, 2019.

The endangered butterfly Scada karschina delicata Talbot, 1932 (Nymphalidae: Danainae: Ithomiini) is endemic to northeastern Brazil, occurring in very few forest remnants of the 'Pernambuco Center of Endemism'. Larvae feed on Solanaceae and are very similar to those of other species in the subtribe Mechanitina, with lateral projections on body, one of the main synapomorphies of this subtribe. Based on molecular data, S. k. delicata clustered together with S. karschina karschina, as a monophyletic group sister to the amazon clade of S. reckia. Based on all available data, S. k. delicata is known from only five localities of mid- to high-altitude forests (from 500 to 1000 m of altitude) in northeastern Brazil. Grounded on available data, a new assessment of extinction risk is proposed, and S. k. delicata is now considered Vulnerable (VU) taxon.

The present paper describes a new species of Actinote (Nymphalidae, Heliconiinae, Acraeini), Actinote keithbrowni Freitas, Francini & Mielke sp. nov., from southeastern Brazil, based on morphological and molecular data. The new species is very similar in wing pattern to Actinote eberti, within what we term the "light-gray mimicry complex." The host plants and immature stages of the new species are unknown. Actinote keithbrowni sp. nov. is one of the rarest species of Actinote from Brazil: in total, only eight individuals of this species are known from a narrow region of the Itatiaia massif despite years of collecting effort in that region since the 1940s.

A new species of the butterfly satyrine subtribe Euptychiina is described: Carminda surpresa sp. nov. This species is apparently restricted to high altitude wet grasslands in southeastern Brazil. The description is based on morphological features, mainly from the wings, and male and female genitalia, and molecular data were also obtained and are used to validate the new species. Information about the geographic distribution, habitat and immature stages morphology is also provided. The systematic position of C. surpresa sp. nov. is discussed based on a molecular analysis which includes all described species of Carminda in addition to other species of Satyrinae.

Butterflies are one of the best-known insect groups, and they have been the subject of numerous studies in ecology and evolution, especially in the tropics. Much attention has been given to the fruit-feeding butterfly guild in biodiversity conservation studies, due to the relative ease with which taxa may be identified and specimens sampled using bait traps. However, there remain many uncertainties about the macroecological and biogeographical patterns of butterflies in tropical ecosystems. In the present study, we gathered information about fruit-feeding butterfly species in local communities from the Atlantic Forests of South America. The ATLANTIC BUTTERFLIES data set, which is part of ATLANTIC SERIES data papers, results from a compilation of 145 unpublished inventories and 64 other references, including articles, theses, and book chapters published from 1949 to 2018. In total, the data set contains 7,062 records (presence) of 279 species of fruit-feeding butterflies identified with taxonomic certainty, from 122 study locations. The Satyrini is the tribe with highest number of species (45%) and records (30%), followed by Brassolini, with 13% of species and 12.5% of records. The 10 most common species correspond to 14.2% of all records. This data set represents a major effort to compile inventories of fruit-feeding butterfly communities, filling a knowledge gap about the diversity and distribution of these butterflies in the Atlantic Forest. We hope that the present data set can provide guidelines for future studies and planning of new inventories of fruit-feeding butterflies in this biome. The information presented here also has potential use in studies across a great variety of spatial scales, from local and landscape levels to macroecological research and biogeographical research. We expect that such studies be very important for the better implementation of conservation initiatives, and for understanding the multiple ecological processes that involve fruit-feeding butterflies as biological indicators. No copyright restrictions apply to the use of this data set. Please cite this Data paper when using the current data in publications or teaching events., (© 2018 The Authors. Ecology © 2018 The Ecological Society of America.)