摘要

A new freshwater eutardigrade, Dactylobiotus vulcanus sp. nov. is described from two volcanic crater lakes: Manaro Kesa (Lakua), Ambae Island (Republic of Vanuatu) and Tagimaucia, Taveuni Island (Republic of Fiji). The new species is most similar to Dactylobiotus dervizi and Dactylobiotus luci in the shape of the egg processes, smooth cuticle and the absence of dorso-lateral papillae, but it differs from them mainly by the absence of the oral cavity armature, the presence of eyes, the presence of minute areolation on eggs, and by several morphometric characters of adults and eggs. Additionally, we also discuss taxonomic positions of several dubious species within the genus, and provide the key to all known Dactylobiotus species.

  • 出版日期2012-12