Marilia Müller, 1880 (Trichoptera: Odontoceridae) from Atlantic Forest: two new species from Rio de Janeiro, southeastern Brazil, and a new distributional record

Authors

  • Ana Lucia Henriques-Oliveira Universidade Federal do Rio de Janeiro, Instituto de Biologia, Departamento de Zoologia, Laboratório de Entomologia. Rio de Janeiro, RJ, Brasil.
  • Gabriel Santos Coelho David Universidade Federal Rural do Rio de Janeiro, Instituto de Ciências Biológicas e da Saúde, Departamento de Biologia Animal, Laboratório de Insetos Aquáticos. Seropédica, RJ, Brasil.
  • Jorge Luiz Nessimian Universidade Federal do Rio de Janeiro, Instituto de Biologia, Departamento de Zoologia, Laboratório de Entomologia. Rio de Janeiro, RJ, Brasil.
  • Leandro Lourenço Dumas Universidade Federal Rural do Rio de Janeiro, Instituto de Ciências Biológicas e da Saúde, Departamento de Biologia Animal, Laboratório de Insetos Aquáticos. Seropédica, RJ, Brasil; Fundação Oswaldo Cruz, Instituto Oswaldo Cruz, Laboratório de Entomologia. Rio de Janeiro, RJ, Brasil.

DOI:

https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.031

Keywords:

Caddisflies, Neotropics, New records, Odontocerinae, Taxonomy

Abstract

The genus Marilia, with 83 extant species distributed across the Oriental, Australasian, and Neotropical regions, is the most diverse within the caddisfly family Odontoceridae. In Brazil, 28 species are currently known, 15 of which occur in the Atlantic Forest – one of the world’s 36 major biodiversity hotspots. In this study, we describe and illustrate two new species of Marilia from Atlantic Forest in the state of Rio de Janeiro, southeastern Brazil: Marilia monnei sp. nov. and Marilia catiae sp. nov. Additionally, we expand the known geographical distribution of Marilia maxakali Bonfá-Neto, Salles & Vilarino, 2023 to include the states of Rio de Janeiro and Santa Catarina. This study significantly contributes to bridging the knowledge gaps on caddisflies in the Atlantic Forest, resulting from both Wallacean and Linnean shortfalls.

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Published

2026-06-01

Issue

Vol 66 Special Issue 1 (2026)

Section

Original Article

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Copyright (c) 2026 Ana Lucia Henriques-Oliveira, Gabriel Santos Coelho David, Jorge Luiz Nessimian, Leandro Lourenço Dumas

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How to Cite

Henriques-Oliveira, A. L., David, G. S. C., Nessimian, J. L., & Dumas, L. L. (2026). Marilia Müller, 1880 (Trichoptera: Odontoceridae) from Atlantic Forest: two new species from Rio de Janeiro, southeastern Brazil, and a new distributional record. Papéis Avulsos De Zoologia, 66(special 1), e202666si1031. https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.031