A new genus of railroad-worm beetles from the Atlantic Rainforest from Brazil (Coleoptera: Phengodidae, Mastinocerinae)

Authors

  • André Silva Roza Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia (IB), Departamento de Zoologia, Laboratório de Entomologia - Rio de Janeiro, RJ, Brasil. Universidade Federal do Rio de Janeiro (UFRJ), Museu Nacional, Programa de Pós-Graduação em Zoologia - Rio de Janeiro, RJ, Brasil. Author http://orcid.org/0000-0003-0886-5159
  • José Ricardo Miras Mermudes Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia (IB), Departamento de Zoologia, Laboratório de Entomologia - Rio de Janeiro, RJ, Brasil. Universidade Federal do Rio de Janeiro (UFRJ), Museu Nacional, Programa de Pós-Graduação em Zoologia - Rio de Janeiro, RJ, Brasil. Author http://orcid.org/0000-0003-2030-7483

DOI:

https://doi.org/10.11606/1807-0205/2020.60.special-issue.10

Keywords:

Mountains, Morphology, Neotropical, Taxonomy

Abstract

Here we describe a new genus, Cleidella gen. nov., and two new species, C. picea sp. nov. and C. silveirai sp. nov., all from Rio de Janeiro State, Brazil. The new genus is characterized by the interantennal distance subequal to scape length, antenna with 11 antennomeres, IV to X with two long symmetrical branches; mandibles long, projected and not crossed, pointed forward obliquely from head; maxillary palpi 4‑segmented, last segment digitiform; labial palpi 2‑segmented; posterior tentorial pit consisting of a single small fossa; elytron surpassing from the fourth to fifth abdominal segment, 3.3‑3.9× longer than wide; first tarsomere of protarsus with a ventral comb as long as the tarsomere length; wing with radial cell closed and transverse, vein r4 interrupted; aedeagus with paramere symmetrical, apex unevenly round, toothed inward, with short and scarce bristles. We provide a key to Mastinocerinae genera with 11 antennomeres, as well as illustrations for the diagnostic features for this new genus and a key to its species.

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Author Biographies

  • André Silva Roza, Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia (IB), Departamento de Zoologia, Laboratório de Entomologia - Rio de Janeiro, RJ, Brasil. Universidade Federal do Rio de Janeiro (UFRJ), Museu Nacional, Programa de Pós-Graduação em Zoologia - Rio de Janeiro, RJ, Brasil.

    Avenida Carlos Chagas Filho, 373, Bloco A, Sala 107, Cidade Universitária, CEP 21941‑971, Rio de Janeiro, RJ, Brasil.
    Quinta da Boa Vista, s/nº, São Cristóvão, CEP 20940‑040, Rio de Janeiro, RJ, Brasil.

  • José Ricardo Miras Mermudes, Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia (IB), Departamento de Zoologia, Laboratório de Entomologia - Rio de Janeiro, RJ, Brasil. Universidade Federal do Rio de Janeiro (UFRJ), Museu Nacional, Programa de Pós-Graduação em Zoologia - Rio de Janeiro, RJ, Brasil.

    Avenida Carlos Chagas Filho, 373, Bloco A, Sala 107, Cidade Universitária, CEP 21941‑971, Rio de Janeiro, RJ, Brasil.
    Quinta da Boa Vista, s/nº, São Cristóvão, CEP 20940‑040, Rio de Janeiro, RJ, Brasil.

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Published

2020-03-04

Issue

Vol 60 Special Issue (2020)

Section

Original Article

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How to Cite

Roza, A. S., & Mermudes, J. R. M. (2020). A new genus of railroad-worm beetles from the Atlantic Rainforest from Brazil (Coleoptera: Phengodidae, Mastinocerinae). Papéis Avulsos De Zoologia, 60(special), e202060(s.i.).10. https://doi.org/10.11606/1807-0205/2020.60.special-issue.10

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