Expanding the knowledge on the diversity of the cavernicolous Styloniscidae Vandel, 1952 (Oniscidea, Synocheta) from Brazil, with descriptions of two new species from the semiarid karst regions

Zookeys. 2022 May 18:1101:35-55. doi: 10.3897/zookeys.1101.79043. eCollection 2022.

Abstract

Two new species of Pectenoniscus from two caves in karst areas of the Brazilian semiarid region are described. Pectenoniscuspankaru Campos-Filho, Torres & Bichuette, sp. nov. from Gruna do Govi cave, Serra do Ramalho karst area, state of Bahia, and Pectenoniscusfervens Campos-Filho, Taiti & Bichuette, sp. nov. from Toca Coroa do Frade cave, Barra Bonita karst area, state of Piauí. In addition, specimens of Cylindroniscusflaviae from Gruta da Tapagem (= Caverna do Diabo), Açungui karst area were also recorded. An updated diagnosis of Pectenoniscus and a distribution map of the species examined herein are given.

Keywords: Açungui geomorphological group; Bambuí geomorphological group; Casa Nova geomorphological group; Cylindroniscus; Neotropical; Pectenoniscus.

Grants and funding

Instituto Chico Mendes para Conservação da Biodiversidade/Centro Nacional de Pesquisa e Conservação de Caverna (ICMBio/CECAV) Grupo Bambuí de Pesquisas Espeleológicas (GBPE) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Coordenação de Aperfeiçoamento de Pessoal de Nível Superio (CAPES) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)