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Research Article

A new Mexican species of Bolbelasmus Boucomont, 1911 (Coleoptera: Bolboceratidae), with an updated key for related species and a revised status of Eucanthus Westwood, 1848

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Pages 168-176 | Accepted 15 Apr 2023, Published online: 09 Jun 2023
 

Summary

A new species of Bolboceratidae from Mexico, Bolbelasmus (Bolbelasmus) quinquestriatus n. sp., is described and illustrated. The elytra of the new species present five striae between the humeral callus and the elytral suture, a character that is considered diagnostic for the genus Eucanthus. Based in this condition, Eucanthus is proposed as a subgenus of Bolbelasmus. An updated identification key and photographs of related species are provided.

Résumé

Une nouvelle espèce mexicaine de Bolbelasmus Boucomont, 1911 (Coleoptera : Bolboceratidae), avec une clé mise à jour des espèces apparentées et un statut révisé d’Eucanthus Westwood, 1848. Une nouvelle espèce de Bolboceratidae du Mexique, Bolbelasmus (Bolbelasmus) quinquestriatus n. sp., est décrit et illustré. Les élytres de la nouvelle espèce présentent cinq stries entre le calus huméral et la suture élytrale, caractère considéré comme diagnostique pour le genre Eucanthus. Sur la base de cet état de caractère, Eucanthus est proposé comme sous-genre de Bolbelasmus. Une clé d’identification mise à jour et des photographies des espèces apparentées sont fournies.

View correction statement:
Corrections to the status of Eucanthus Westwood, 1848, Bolbelasmus Boucomont, 1911, and Kolbeus Boucomont, 1911 (Coleoptera: Bolboceratidae)

Acknowledgment

We express our gratitude to the authorities of the community of San Antonio Chimalapas for the permission and support during the expeditions during the years 2018 and 2019.

Disclosure statement

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

Additional information

Funding

The first author was supported by the CONACYT-Mexico [postdoctoral fellowship 486765]. The second author thanks the Consejo Nacional de Ciencia y Tecnología (CONACYT) for the “Cátedras CONACYT” program and the Instituto de Biología, Universidad Nacional Autónoma de México (IBUNAM), for the technical and scientific support given to the project No. 59: “Laboratorio Regional de Biodiversidad y Cultivo de Tejidos Vegetales (LBCTV), sede Tlaxcala”.

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