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 species in the Atlantic Forest of South America. The ATLANTIC ANTS data set, which is part of the ATLANTIC SERIES data papers, is a compilation of ant records from collections (18,713 records), unpublished data (29,651 records), and published sources (106,910 records; 1,059 references), including papers, theses, dissertations, and book chapters published from 1886 to 2020. In total, the data set contains 153,818 ant records from 7,636 study locations in the Atlantic Forest, representing 10 subfamilies, 99 genera, 1,114 ant species identified with updated taxonomic certainty, and 2,235 morphospecies codes. Our data set reflects the heterogeneity in ant records, which include ants sampled at the beginning of the taxonomic history of myrmecology (the 19th and 20th centuries) and more recent ant surveys designed to address specific questions in ecology and biology. The data set can be used by researchers to develop strategies to deal with different macroecological and region‐wide questions, focusing on assemblages, species occurrences, and distribution patterns. Furthermore, the data can be used to assess the consequences of changes in land use in the Atlantic Forest on different ecological processes. No copyright restrictions apply to the use of this data set, but we request that authors cite this data paper when using these data in publications or teaching events.
Discothyrea is a genus composed of specialist predatory species rarely recorded and with little known biology. Specimen collection is usually associated with preserved native vegetation. In this work, we explore the landscape of sites with occurrence of Discothyrea seeking to improve knowledge about the natural history of this genus. Species of Discothyrea were recorded in ten Atlantic Forest sites. We analyzed the landscape around the place of occurrence of each species using a 500-m buffer. We classified the landscape as heterogeneous and homogeneous according to the percentage of natural (native vegetation), urban, and rural areas. We found 67 specimens of Discothyrea; 59 of them were D. sexarticulata, occurring in 88% of the fragments. There were also eight specimens of D. neotropica occurring in 12% of the fragments. The results show that D. sexarticulata can be found in homogeneous landscapes with anthropic influence (0-51% of rural area and 0-68% of urban area). Discothyrea neotropica is found in heterogeneous landscapes with a dominant presence of native vegetation (between 74-95%). The results improve knowledge on the biology of Discothyrea mainly in relation to the vicinity of occurrence sites. In addition, the results indicate that regional studies are important to understand species ecology.
As coleções de referência são importantes acervos para a biodiversidade. Nelas, estão contidas amostras representativas e informações biológicas de regiões específicas, que servem de base para muitos estudos científicos. A coleção de referência do Laboratório de Mirmecologia do Alto Tietê reúne uma das mais expressivas coleções de formigas regionais para estudos taxonômicos e ecológicos. Atualmente, a coleção conta com 243 espécies/morfoespécies de formigas registradas em diferentes áreas da Floresta Atlântica do Alto Tietê, em São Paulo. Embora seja uma pequena coleção, o acervo é oriundo de coletas padronizadas, bem como todo o depósito das morfoespécies. A coleção de referência gerou muitas publicações em diferentes áreas de conhecimento e também contribuiu para a capacitação de profissionais que atuam na pesquisa e na educação formal e não formal.
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