Two new troglobiont species of the group (Collembola: Arrhopalitidae) from the West Caucasus.

Zootaxa

Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, 15, B. Khmelnitsky Str., Kiev, 01601, Ukraine..

Published: April 2017

Springtails of the principalis-group of the genus Pygmarrhopalites from the W Caucasian caves in Abkhazia are described: Pygmarrhopalites dbari sp. nov. from Psyrtskha Cave in Novy Afon and Pygmarrhopalites kovali sp. nov. from caves of Tsebelda Karst Massif. They differ from epigean relatives mainly by troglomorphies: reduced pigmentation, elongated appendages and modified foot complex. These new species as well as a great portion of endemic Caucasian speleofauna have highly restricted distribution and require protection. A new record of Arrhopalites abchasicus Vargovitsh, 2013 in Novoafonskaya Cave is added.

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http://dx.doi.org/10.11646/zootaxa.4250.1.2DOI Listing

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