Uncovering the richness of Cerambycidae (Coleoptera) in the Amazon region: new species, notes, and new records

Summary

Three new species from Brazil are described: Mionochroma complanatum n. sp. (Cerambycinae, Callichromatini), from Roraima; Plistonax albicans n. sp. (Lamiinae, Acanthoderini) from Acre; and Scythropopsis roraimensis n. sp. (Lamiinae, Acanthoderini) from Roraima. Three species are newly recorded for Brazil: Nealcidion elegans Monné & Monné, 2009 (Lamiinae, Acanthocinini), Paranyssicus quadriguttatus (Buquet, 1860) (Cerambycinae, Elaphidiini) and Penaherreraus pradosiae (Tavakilian & Peñaherrera-Leiva, 2003) (Lamiinae, Acanthoderini). Furthermore, the geographical distribution for 12 additional species is expanded in Brazil to include the Roraima State and one to the Acre State. Mecometopus cauaburi Martins & Galileo, 2011 (Cerambycinae, Clytini) is proposed as a junior-synonym of Mecometopus wallacei (White, 1855) (Cerambycinae, Clytini). Mionochroma vittatum (Fabricius, 1775) (Cerambycinae, Callichromatini) is redescribed and some morphological variations are pointed out.

Résumé

Révéler la richesse des Cerambycidae (Coléoptères) dans la région amazonienne : nouvelles espèces, notes et nouveaux signalements. Trois nouvelles espèces sont décrites du Brésil : Mionochroma complanatum n. sp. (Cerambycinae, Callichromatini), du Roraima, Plistonax albicans n. sp. (Lamiinae, Acanthoderini) d'Acre, et Scythropopsis roraimensis n. sp. (Lamiinae, Acanthoderini) du Roraima. Trois espèces sont nouvellement signalées au Brésil : Nealcidion elegans Monné & Monné, 2009 (Lamiinae, Acanthocinini), Paranyssicus quadriguttatus (Buquet, 1860) (Cerambycinae, Elaphidiini) et Penaherreraus pradosiae (Tavakilian & Peñaherrera-Leiva, 2003) (Lamiinae, Acanthoderini). En outre, la répartition géographique de douze espèces supplémentaires est élargie au Brésil pour inclure l'État de Roraima, et une autre est nouvellement citée de l'État d'Acre. Mecometopus cauaburi Martins & Galileo, 2011 (Cerambycinae, Clytini) est proposé comme synonyme junior de Mecometopus wallacei (White, 1855) (Cerambycinae, Clytini). Mionochroma vittatum (Fabricius, 1775) (Cerambycinae, Callichromatini) est redécrit et quelques variations morphologiques sont signalées.

Keywords:

• Longhorned beetles
• Neotropical region
• taxonomy
• morphology

Acknowledgements

We are immensely grateful to Dr. Bernd Jaeger (ZMHB), who kindly sent us photographs of the holotype of Mionochroma wilkei. The first author is grateful to the Postgraduate Program in Neotropical Biodiversity (PPGBN) for postdoctoral fellowship under CAPES 88887.809176/2023-00. The fourth author thanks Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for the research grant (88887.492572/2020-00), the sixth author thanks the Conselho de Desenvolvimento Científico e Tecnológico (CNPq) for grant (305150/ 2020-0). The fifth author thanks Sheila Lima and Rafael Boldrini for fieldwork assistance. We thanks to Chico Mendes Institute for Biodiversity Conservation (ICMBio) in partnership with the Ingarikó People’s Council and collaboration of the National Indian Foundation (FUNAI). We thank the Ingarikó people for warmly welcoming us to their land. This work was also supported by Instituto Nacional de Pesquisas da Amazônia (INPA) and Fundação de Amparo à Pesquisa do Estado do Amazonas (FAPEAM). We are grateful to the editor and anonymous reviewers for their valuable contributions.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by Conselho Nacional de Desenvolvimento Científico e Tecnológico [grant number 305150/ 2020-0]; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior [grant number 16/2022].