Zunielmis pax, a new genus and species of riffle beetles (Coleoptera: ­Elmidae) from Colombia

Author:

González-Córdoba M.1ORCID,Manzo V.2ORCID,Granados-Martínez C.E.3ORCID

Affiliation:

1. Centro de Investigación Esquel de Montaña y Estepa Patagónica (CIEMEP), CONICET-UNPSJB, Roca 780, Esquel 9200, Argentina; Grupo de Investigaciones Entomológicas, Universidad del Valle, Calle 13 # 100-00, Cali 76000, Colombia

2. Instituto de Biodiversidad Neotropical (IBN), CONICET-Universidad Nacional de Tucumán, Crisóstomo Álvarez 722, Tucumán 4000, Argentina

3. Grupo de investigación EBET, Universidad de la Guajira, Km 5 Vía Maicao, Riohacha 440001, Colombia; Doctorado en Ciencias Naturales para el Desarrollo (DOCINADE), Instituto Tecnológico de Costa Rica, Universidad Estatal a Distancia, Costa Rica

Abstract

A new riffle beetle, Zunielmis pax gen. et sp. nov., is described from Colombia (Vichada, Puerto Carreño, Bita River basin). It can be distinguished from all the other elmids by having large areas of a microgranular mesh (plastron) on the pronotum and elytra, crenulate lateral margin of the latter two, the shorter interocular distance than diameter of each eye, as well as by the characters of the structure of mandibles, the shape and sculpture of pronotum, and the structure of mesosternum, mesotibiae and elytra. The imagoes were collected on freshwater sponges. The habitat, where the new species was found, is described, and the adaptive meaning of the characteristics of plastron are discussed. Drawings and photographs of the adult habitus, distinctive morphological characters, and male and female genitalia are provided.

Publisher

Zoological Institute of the Russian Academy of Sciences

Subject

Animal Science and Zoology,Insect Science,Ecology, Evolution, Behavior and Systematics

Reference46 articles.

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