The First record of Megaloptera (Insecta: Neuropterida) from Sergipe state, Brazil

Antonio B. S. Farias; Stefany A. dos Santos; Kim R. Barão; Guilherme R. Demetrio; Neusa Hamada; Jean C. Santos

doi:10.37486/2675-1305.ec07005

Authors

Antonio B. S. Farias Universidade Federal de Sergipe, São Cristóvão, SE, Brazil https://orcid.org/0000-0002-7989-3424
Stefany A. dos Santos Universidade Federal de Sergipe, São Cristóvão, SE, Brazil https://orcid.org/0009-0002-1028-8143
Kim R. Barão Universidade Federal de Alagoas, Penedo, AL, Brazil https://orcid.org/0000-0003-1432-1756
Guilherme R. Demetrio Universidade Federal de Alagoas, Penedo, AL, Brazil https://orcid.org/0000-0002-6481-1633
Neusa Hamada Instituto Nacional de Pesquisas da Amazônia, Manaus, AM, Brazil https://orcid.org/0000-0002-3526-5426
Jean C. Santos Universidade Federal de Sergipe, São Cristóvão, SE, Brazil https://orcid.org/0000-0001-6031-9193

DOI:

https://doi.org/10.37486/2675-1305.ec07005

Keywords:

Aquatic insect, Atlantic Forest, Species Distribution, Northeast Brazil, Neotropical Region

Abstract

Megaloptera comprises approximately 400 species, of which 25 are recorded in Brazil and belong to Corydalidae and Sialidae. Here, we provide new occurrence records for Corydalus diasi Navás, 1915 (Megaloptera: Corydalidae) in Serra de Itabaiana National Park, Sergipe, where two females and five males were collected using light traps from June 2022 to May 2023. Specimens were identified using morphological analysis. We provide illustrations that will aid in the elucidation of the species and can be used to understand its morphological variation. Originally described in Ceará in 1915, C. diasi is now known to occur in several Brazilian states, expanding its distribution to 2,231,711 km², covering ecotonal areas between the Atlantic Forest and the Caatinga in Northeastern Brazil. We highlight the lack of information on Megaloptera in the Northeast, a region affected by Linnean and Wallacean shortfalls, and emphasize the need for further sampling in ecologically diverse areas to uncover invertebrate diversity and support the development of conservation policies.

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