Universidade Federal do Par; Instituto de Cincias Biolgicas; Laboratrio de Invertebrados; Belm; Par; Brazil.
Instituto Tecnolgico VALE; R. Boaventura da Silva 955; Nazar; 66055-090 Belm; PA. Brazil; Departamento de Entomologa; Museo de Historia Natural de la Universidad Nacional Mayor de San Marcos; Av. Arenales 1256; Jess Mara; Lima 14; Per.
Zootaxa. 2023 Nov 29;5380(2):134-150. doi: 10.11646/zootaxa.5380.2.2.
Oxarthrius spiculatus sp. nov. from the Brazilian Amazon is described. Major diagnostic features of male and female genitalia are illustrated. Female genitalia is described for the genus for the first time. The specimens of the new species were collected from bauxite mining area in the State of Par, Brazil where they seem to live in leaf litter. The distribution of the genus is covered and a key to the known Brazilian species is given. Additionally, the lectotype is designated for the Brazilian species Oxarthrius anthicoides (L.W.Schaufuss) and Oxarthrius bispinosus (Reitter).
本文描述了产自巴西亚马逊地区的旋脊球胸甲属一新种 Oxarthrius spiculatus sp. nov.。详细图示了雌雄生殖器的主要鉴别特征。这是首次对该属的雌性生殖器进行描述。新种标本采集自巴西帕拉州的铝土矿开采区，它们似乎生活在落叶层中。本文涵盖了该属的分布范围，并给出了已知巴西种的关键特征。此外，还指定了巴西种 Oxarthrius anthicoides (L.W.Schaufuss) 和 Oxarthrius bispinosus (Reitter) 的模式标本。
