New species, new combinations, and morphological notes of South American Ambrysinae (Heteroptera: Naucoridae) Author Rodrigues, Higor D. D. 0000-0002-9649-4142 Laboratório de Entomologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil. higorddr@gmail.com Author Canejo, Rafael P. R. 0000-0003-4296-8936 Laboratório de Entomologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil. rafaelcanejo17@gmail.com Author Sites, Robert W. 0000-0002-3895-813X Enns Entomology Museum, Division of Plant Sciences, University of Missouri, Columbia, MO, United States. sitesr@missouri.edu text Zootaxa 2024 2024-05-06 5447 2 199 224 http://dx.doi.org/10.11646/zootaxa.5447.2.3 journal article 10.11646/zootaxa.5447.2.3 1175-5326 11119501 F1BE770F-C904-4320-89F5-63733611E994 Checklist of species of Australambrysus Reynoso & Sites, 2021 Australambrysus plax species complex Australambrysus acutangulus (Montandon, 1897) Australambrysus aguaro Sites, 2023a Australambrysus alvarado Sites, 2023a Australambrysus clavieri Sites, 2023a Australambrysus fraternus (Montandon, 1897) Australambrysus planus ( La Rivers, 1951 ) Australambrysus plax (La Rivers, 1967) Australambrysus siolii (De Carlo, 1966) Australambrysus teutonius ( La Rivers, 1951 ) Australambrysus tuberculatus Rodrigues, Canejo & Sites n. sp. Species not assigned to a complex Australambrysus brunneus (Sites, 2015) Australambrysus bergi (Montandon, 1897) Australambrysus calilegua ( López-Ruf, 2007 ) Australambrysus colombicus (Montandon, 1909) * Australambrysus crenulatus (Montandon, 1897) Australambrysus fossatus (Usinger, 1946) * Australambrysus fucatus (Berg, 1879) Australambrysus geayi (Montandon, 1897) Australambrysus gemignanii ( De Carlo, 1950 ) Australambrysus horvathi (Montandon, 1909) Australambrysus kolla (López-Ruf, 2004) Australambrysus minutus Rodrigues, Canejo & Sites n. sp. Australambrysus oblongulus (Montandon, 1897) * Australambrysus ochraceus (Montandon, 1909) Australambrysus partridgei ( De Carlo, 1968 ) Australambrysus peruvianus (Montandon, 1909) * Australambrysus shorti (Sites, 2015) Australambrysus wichi (López-Ruf, 2013) * Provisionally included in the genus by Reynoso-Velasco & Sites (2021)