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Issue: Vol. 5875 No. 1: 2 Sept. 2026
Type: Article
Published: 2026-09-02
DOI: 10.11646/zootaxa.5875.1.5
Page range: 79-93
Abstract views: 222
PDF downloaded: 15

A new species of Haplaxius (Hemiptera: Auchenorrhyncha: Delphacoidea: Cixiidae) from central Costa Rica and its complete mitochondrial genome

Universidad de Costa Rica – Centro de Investigación sobre Diversidad Cultural y Estudios Regionales; Sede San Ramón; de la Iglesia el Tremedal 400 mts al Oeste carretera hacia San Pedro; San Ramón; Alajuela; Costa Rica.
Universidad de Costa Rica – Sede San Ramón; Departamento de Ciencias Naturales; de la Iglesia el Tremedal 400 mts al Oeste carretera hacia San Pedro; San Ramón; Alajuela; Costa Rica.
Universidad de Costa Rica – Sede San Ramón; Departamento de Ciencias Naturales; de la Iglesia el Tremedal 400 mts al Oeste carretera hacia San Pedro; San Ramón; Alajuela; Costa Rica.
Universidad de Costa Rica – Sede San Ramón; Departamento de Ciencias Naturales; de la Iglesia el Tremedal 400 mts al Oeste carretera hacia San Pedro; San Ramón; Alajuela; Costa Rica.
University of Delaware; Department of Entomology and Wildlife Ecology; 250 Townsend Hall; Newark; DE 19716-2160; USA.
University of Florida; Department of Entomology and Nematology/Department of Plant Pathology - Fort Lauderdale Research and Education Center; 3205 College Ave.; Davie; FL 33314-7719; USA.
Hemiptera taxonomy phylogenetics survey Cixiinae mitogenome

Abstract

During recent survey work in central Costa Rica, a new species of planthopper in the genus Haplaxius was discovered in Tapanti National Park. The new species is here described as Haplaxius tapantiensis sp. nov. Supplemental molecular data for the cytochrome c oxidase subunit I (COI) gene, histone 3 (H3) gene, 18S rRNA gene and 28S rRNA gene are provided. Maximum Likelihood phylogenetic analyses place the new species in a clade with H. dougwalshi Bahder & Bartlett and H. pocococo Bahder & Bartlett. Finally, the complete and annotated mitochondrial genome of H. tapantiensis sp. nov. is provided and compared to that of H. crudus.

Durante monitoreos recientes realizados en la zona central de Costa Rica, se descubrió una nueva especie de chicharrita perteneciente al género Haplaxius en el Parque Nacional Tapantí. Esta especie se describe en el presente estudio como Haplaxius tapantiensis sp. nov. Se aportan datos moleculares complementarios correspondientes a los genes de la subunidad I del citocromo c oxidasa (COI), la histona 3 (H3), el ARNr 18S y el ARNr 28S. Los análisis filogenéticos basados en la máxima verosimilitud sitúan a la nueva especie dentro de un clado que incluye a H. dougwalshi Bahder & Bartlett y H. pocococo Bahder & Bartlett. Finalmente, se presenta el genoma mitocondrial completo y anotado de H. tapantiensis sp. nov., el cual se compara con el de H. crudus.

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How to Cite

Barrantes, E.A.B., Echavarria, M.A.Z., Vega, J.O., Chaves, B.M., Bartlett, C.R. & Bahder, B.W. (2026) A new species of Haplaxius (Hemiptera: Auchenorrhyncha: Delphacoidea: Cixiidae) from central Costa Rica and its complete mitochondrial genome. Zootaxa, 5875 (1), 79–93. https://doi.org/10.11646/zootaxa.5875.1.5