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Issue: Vol. 5346 No. 2: 18 Sept. 2023
Type: Article
Published: 2023-09-18
DOI: 10.11646/zootaxa.5346.2.6
Page range: 186-196
Abstract views: 426
PDF downloaded: 31

A new species of Ecitonides Wasmann, 1894 (Coleoptera: Staphylinidae: Paederinae) from Peru and phylogenetic placement of the genus based on molecular data

Natural History Museum of Denmark; University of Copenhagen; Universitetsparken 15; Copenhagen 2100; Denmark
Laboratorio de Entomología; Instituto Argentino de Investigaciones de las Zonas Áridas; (IADIZA-CONICET); Parque Gral. San Martín; s/n; 5500 Mendoza; Argentina
Departamento de Entomología; Museo de Historia Natural de la Universidad Nacional Mayor de San Marcos; Av. Arenales 1256; Jesús María; Lima 14; Perú
Department of Life Sciences; Natural History Museum; London; SW7 5BD; United Kingdom
Ipswich; Suffolk; UK
Coleoptera taxonomy new species rove beetle phylogenetics systematics

Abstract

Ecitonides constanceae sp. nov., a new species of the myrmecophilous genus Ecitonides Wasmann, 1894, which is associated with army ants (Hymenoptera: Formicidae: Ecitoninae), is described from Peru. The holotype, which is the only known specimen, was collected at light at Los Amigos Biological Station, Madre de Dios department, Peru. The army ant host species is unknown. The new species is distinguished from congeners and an updated key of the species, as well as a checklist of Ecitonides and their associated host ants are provided. Based on the holotype we non-destructively extracted DNA and sequenced two genes which were incorportated into an existing molecular phylogenetic dataset and analysed using Bayesian Inference. Ecitonides is recovered as sister to recently described thermitophilous genus Ruptor Żyła et al. 2022 and placed in the so-called ‘Medonina and allied taxa’ clade. Beyond Bayesian Inference phylogenetic analysis and their associated nodal support methods, we also explored the position of the Ecitonides within the posterior sample of trees produced in the Bayesian analyses, which further supported its placement.

 

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