A new epigeous species of Troglobius (Collembola: Paronellidae: Cyphoderinae) from Brazil and notes on the chaetotaxy of the genus
Keywords:
Amapá, Amazon Biome, Neotropical fauna, taxonomy, troglomorphic springtail, TroglopedetiniAbstract
Troglobius albertonoi sp. nov. (Collembola: Paronellidae: Cyphoderinae) from the Brazilian Amazon is described and illustrated. The shape of the mucro and unguis resemble those of T. ferroicus Zeppelini, Silva & Palacios-Vargas, recently described from Brazil, but the chaetotaxy is distinct. This is the 4th species of the genus and the 3rd from Brazil. Variation within the genus Troglobius of the dorsal chaetotaxy and the geographic distribution are discussed, and an identification key to the species is provided. Troglobius albertonoi sp. nov. is the only known epigeous species of the genus.
Resumo
Troglobius albertonoi sp. nov. (Collembola: Paronellidae: Cyphoderinae) da Amazônia Brasileira é descrita e ilustrada. A forma do mucro e unguis da nova espécie assemelham-se com T. ferroicus Zeppelini, Silva & Palacios-Vargas, recentemente descrita do Brasil, embora o padrão quetotáxico das espécies sejam claramente distintos. Esta é a quarta espécie descrita do gênero e a terceira proveniente do Brasil. Informações comparativas sobre a quetotaxia dorsal e distribuição do gênero são discutidas e uma chave de identificação para as espécies é fornecida. Troglobius albertonoi sp. nov. corresponde à primeira espécie epigeica do gênero reportada na literatura.
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