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Museu Paraense Emilio Goeldi - MPEG | MPEG

We provide updated diagnoses for the senex-, burtoni-and dimorphus-groups of Camponotus (Myrmobrachys). Dichotomous keys for the C. (Myrmobrachys) groups and species of the dimorphus-group, based on type-specimens are provided. Two new species of the dimorphus-group are described, Camponotus cameloides sp. nov. and Camponotus hyalus sp. nov. We cla...

Rare plant and vertebrate species have been documented to contribute disproportionately to the total morphological structure of species assemblages. These species often possess morphologically extreme traits and occupy the boundaries of morphological space. As rare species are at greater risk of extinction than more widely distributed species, huma...

The rarity of organisms is related either to a natural origin or human-induced impacts, and rare species are more susceptible to extinction. The Atlantic Forest is an endangered biome with a diverse ant fauna. This study focuses on identifying forms of rarity in ant species recorded in the leaf litter in fragments of the Brazilian Atlantic Forest,...

Biological collections are important repositories of biodiversity, as they include various types of data potentially useful to different areas of science and can contribute to the establishment of biodiversity conservation policies. For a long time, scientific collections were considered only as physical databases; in this context Harold G. Fowler...

Natural history discoveries have contributed to broad applications in the fields of taxonomy, ecology, evolution, and conservation of the species. Knowledge on the biology of species of the Neotropical ant genus Hylomyrma Forel, 1912 remains incipient despite the substantial data reported during its last taxonomic revision. Here, based on fieldwork...

Graphical abstract Highlights d Ecological metadata were compiled for 7,694 sites across the Brazilian Amazon d Accessibility and proximity to research facilities influenced research probability d Knowledge gaps are greater in uplands than in wetlands and aquatic habitats d Undersampled areas overlap predicted hotspots of climate change and defores...

The Atlantic Forest is the third largest biome in Brazil, the most sampled, and has the second highest diversity of ant species described. However, these data are spatially very heterogeneous, with the central region of the Atlantic Forest being better sampled. There is a visible gap from the south of Bahia to the north of Rio de Janeiro, comprisin...

We revised the literature on ant records in the Pernambuco Endemism Center – the Biogeographical Sub-Region Pernambuco in the Atlantic Forest – to synthesize the information regarding the diversity and distribution of ants in this important endemism area of the biome. We gathered 3769 ant records, encompassing over 10 subfamilies, 71 genera, and 24...

Pheidole Westwood, 1839 is a hyperdiverse ant genus that is widely distributed in a variety of terrestrial ecosystems, especially in the tropics. The identification of Pheidole species is challenging, thus contributing to the description of several questionable morphospecies in the literature and making the geographic distribution of most species u...

Encounters between flowers and invertebrates are key events for the functioning of tropical forests. Assessing the structure of networks composed of the interactions between those partners leads to a better understanding of ecosystem functioning and the effects of environmental factors on ecological processes. Gathering such data is, however, costl...

Ahh, as formigas... Muitas pessoas me perguntam o porquê me apaixonei por estes pequenos seres que muitas vezes passam desapercebidos por nós no dia a dia. Pode até parecer clichê, mas eu sempre respondo a mesma coisa: -Elas são lindas, fantásticas, eficientes e de uma organização invejável. E é bem isso mesmo, as formigas me encantam por sua belez...

The Brazilian Atlantic Forest is considered one of the most threatened tropical forests in the world due to the extensive environmental impact it has endured throughout history. Only 12.4% of its original vegetation is estimated to remain. Even though reduced and highly fragmented, it houses enormous biodiversity, and its preservation is paramount...

Habitat transformation and species loss bring enormous environmental damage, whereas establishing protected areas promotes more sustainable use of environmental resources through biodiversity conservation. In this study, we aimed to point out gaps in ant knowledge and provide a species checklist that contributes to biodiversity conservation in the...

Tropical ecosystems are often biodiversity hotspots, and invertebrates represent the main underrepresented component of diversity in large‐scale analyses. This problem is partly related to the scarcity of data widely available to conduct these studies and the lack of systematic organization of knowledge about invertebrates' distributions in biodive...

Ants, an ecologically successful and numerically dominant group of animals, play key ecological roles as soil engineers, predators, nutrient recyclers, and regulators of plant growth and reproduction in most terrestrial ecosystems. Further, ants are widely used as bioindicators of the ecological impact of land use. We gathered information of ant sp...

The ant genus Megalomyrmex Forel, 1885, has 45 valid species and is spread across the entire Neotropical region. Megalomyrmex species have been studied for decades and there are many rich natural history accounts that describe various details, including symbionts and unusual reproductive strategies. Natural history traits such as lifestyle have bee...

The state of Pará in northern Brazil is located entirely within the Amazon Basin and harbors a great diversity of landscape and vegetation types that support high levels of biodiversity. Here, we provide a comprehensive inventory of ant species and their distribution in Pará. This regional list is based on an extensive review of species records fro...

The year 2020 marked the centenary of the birth of the German-Brazilian myrmecologist, Dr. Frei Walter Wolfgang Franz Kempf, O.F.M., (1920-1976), whose remarkable research contributed greatly to the advancement of the taxonomy of Neotropical ants, especially in Brazil. This post is a tribute to mark his centenary and to recognize the relevance of h...

Resumo: Ao longo de mais de 100 anos de história, o acervo do Museu Paraense Emílio Goeldi (MPEG) acumulou uma expressiva quantidade de espécies de formigas coletadas por meio de expedições científicas e por sua atuação como instituição fiel depositária. Organizar, qualificar, estudar e disponibilizar essas informações tornam o acervo uma poderosa...

The state of Maranhão, located in northeastern Brazil, comprises three biomes: Amazonian, Caatinga, and the Cerrado. To date, 99 ant species have been recorded in the literature from the state. In the present work, we provide for the first time a profile of the ant fauna in the state based on data from the historical literature and Brazilian instit...

The state of Mato Grosso is the 3 rd largest Brazilian state, is covered with three major Brazilian biomes, including the Pantanal, Cerrado, and Amazonia. To date, 449 ant species are recorded in literature for the state. In the present work, we documented the ants sampled along a fragmented landscape, in the municipality of Juara, in the Cerrado-A...

This catalogue lists types of three ant subfamilies (Dolichoderinae, Formicinae and Martialinae) housed in the Formicidae Collection of the Hymenoptera Laboratory, Museu de Zoologia da Universidade de São Paulo (MZSP), Brazil. It provides label information, morphological condition of specimens, nomenclatural changes, and type status, following reco...

Ants are ecologically dominant and have been used as valuable bio-indicators of environmental change or disturbance being used in monitoring inventories. However, the majority of inventories has concentrated in ground-dwelling ant fauna disregarding the arboreal fauna. This paper aimed to list the ant species collected both on the ground and in the...

Strumigenys fairchildi Brown, 1961 is recorded for the first time in Brazil. This ant species was previously known only from a few specimens collected in Costa Rica, Panama and Ecuador. The worker S. fairchildi was collected at the Parque Estadual do Cristalino, a continuous area of Amazon tropical rain forest protected for biodiversity conservatio...

Este trabalho lista os gêneros de formigas coletados tanto no solo quanto na vegetação do Parque Estadual Cristalino, MT, Brasil. Também traz o número de morfoespécies para cada um dos gêneros identificados, o local de ocorrência e informações complementares quanto à distribuição e biologia.

Ricardo von Diringshofen (1900–1986) was a Natural History enthusiast who collected an incredible variety of objects, mostly insects, which amount to over 2 million specimens. We present here a brief biography of Ricardo von Diringshofen, including the history of his insect collection and the processes of purchase and incorporation of his collectio...

Gnamptogenys vriesi Brandão and Lattke is a rarely collected ant, which was originally described based on a worker and a dealated queen collected in Morona-Santiago province, Ecuador. After the original description, only a few specimens were collected in the Ecuadorian territory. In this paper, we report the first record of G. vriesi in Brazil, whi...

The present catalogue lists ant types of 12 traditional Myrmicinae ant tribes () housed in the Formicidae Collection of the Hymenoptera Laboratory, Museu de Zoologia da Universi-dade de São Paulo (MZSP), Brazil, completing the publication of Myrmicinae types deposited in this institution. We adopted the traditional classification for Myrmicinae tri...

The Hymenoptera laboratory of the Museu de Zoologia da Universidade de São Paulo (MZSP) houses one of the most representative collections of Neotropical ants worldwide. This is due to the wide geographical distribution of its specimens, and also because of the comparatively large number of types and taxa represented. The catalogue, following the ge...

The present catalogue lists the "dorylomorph" ant types (Aenictinae: Aenictus; Cerapachyinae: Acanthostichus and Cerapachys; Ecitoninae: Eciton, Labidus, Neivamyrmex and Nomamyrmex; and Leptanilloidinae: Asphinctanilloides and Leptanilloides) housed in the Formicidae collection of the Hymenoptera laboratory, Museu de Zoologia da Universidade de São...

This catalogue lists the type specimens of 37 species of Pseudomyrmecinae ants deposited in the Hymenoptera Formicidae collection of the Museu de Zoologia da Universidade de São Paulo, which holds types of the only two genera that occur in the Neotropics, Pseudomyrmex Lund and Myrcidris Ward. We record the label information, condition of the specim...