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Type: Article
Published: 2022-10-18
Page range: 135-144
Abstract views: 312
PDF downloaded: 36

Description and chaetotaxic analysis of the larval instars of Hydrocanthus debilis Sharp, 1882 (Coleoptera: Noteridae)

Institute of Biodiversity and Experimental and Applied Biology (IBBEA), CONICET-UBA, Buenos Aires, Argentina.
Department of Biology, Laurentian University, Ramsey Lake Road, Sudbury, Ontario, Canada.
Departamento de Biodiversidad y Gestión Ambiental, Facultad de Ciencias Biológicas y Ambientales, Universidad de León, Campus de Vegazana, 24071, León, Spain; Coordenação de Biodiversidade, Programa de Pós-Graduação em Entomologia (PPGEnt), Instituto Nacional de Pesquisas da Amazônia (INPA), Av. André Araújo 2936, CEP 69067-375, Manaus, AM, Brazil.
Institute of Biodiversity and Experimental and Applied Biology (IBBEA), CONICET-UBA, Buenos Aires, Argentina. University of Buenos Aires, Faculty of Exact and Natural Sciences, Department of Biodiversity and Experimental Biology, Laboratory of Entomology, Buenos Aires, Argentina.
Institute of Biodiversity and Experimental and Applied Biology (IBBEA), CONICET-UBA, Buenos Aires, Argentina. University of Buenos Aires, Faculty of Exact and Natural Sciences, Department of Biodiversity and Experimental Biology, Laboratory of Entomology, Buenos Aires, Argentina.
Coleoptera Adephaga burrowing water beetle morphometry sensilla

Abstract

All larval instars of the burrowing water beetle species Hydrocanthus debilis Sharp, 1882 are described and illustrated, including morphometric and chaetotaxic analyses of the cephalic capsule, head appendages, legs, last abdominal segment, and urogomphus. Larvae of this species have many small dark dorsal maculae on the body, which easily distinguishes it from other known species of the genus except H. socius Sahlberg, 1884. Larvae of H. debilis can easily be separated from those of H. socius by their smaller size, the length of parietal seta PA13 relative to seta PA14, and the relative distance between egg bursters.

 

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