New records, extended and updated geographic distribution of the South American native antlion Dimares elegans (Perty, 1833) (Neuroptera, Myrmeleontidae)

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Abstract

An extensive review of primary and secondary occurrence data, including several new records, of the South American native antlion Dimares elegans (Perty) revealed that this species is endemic to regions of stressful water regime (Caatinga, Cerrado, Chaco and temperate fields) and adjacent areas in Amazon rainforest, Atlantic forest and Pampas. Its known distribution is from Santarém, Pará state, northern Brazil to Río Negro, Chimpay, northwestern Argentina. The known distribution of the species in Brazil has been extended, registering several areas above the São Francisco River (former possible northeastern limit). New limits further east were established from new primary records. For the first time the species is registered from the Brazillian states of Maranhão, Piauí, Rio Grande do Norte, Paraíba, Bahia, Goiáis, Tocantins, Minas Gerais, Mato Grosso do Sul, São Paulo and Paraná, Brazil. Historical data of occurrence in Goiás (Cerrado) have been geopolitically rectified (Tocantins) and, present occurrence in Goiás is reported by primary data in two new localities. Antlions are mostly xerofilous species, however with recent data this species might present much wider distribution than restricted to seasonally dry forests.

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Rocha Duarte Alencar, C. E., da Silva Gomes, F. J., Ferreira Alves, I. C., & Pires Machado, R. J. (2022). New records, extended and updated geographic distribution of the South American native antlion Dimares elegans (Perty, 1833) (Neuroptera, Myrmeleontidae). Revista Brasileira de Entomologia, 66. https://doi.org/10.1590/1806-9665-RBENT-2022-0085

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