Tuesday, December 17, 2024

[Crustacea • 2024] Protracheoniscus krivolutskyi • A New Species of the Genus Protracheoniscus Verhoeff, 1917 (Isopoda: Oniscidea: Agnaridae) from the northwestern Caucasus

 

Protracheoniscus krivolutskyi Gongalsky, 

in Gongalsky, Byzov et Medvedev, 2024

ABSTRACT 
 Protracheoniscus krivolutskyi sp. n. (Agnaridae) is described from the Utrish State Nature Reserve at the Black Sea coast of Russia. Analysis of COI gene and Scanning Electron Microscopy support the validity of this species. Affinities of the species within the genus are discussed.

KEY WORDS: Isopoda, COI, phylogenetic analysis, Oniscidea, Abrau Peninsula, woodlouse, Protracheoniscus.

Alive specimen of Protracheoniscus krivolutskyi sp. n. (female), from the Urtish State Nature Reserve, NE Caucasus, Russia, kept in culture.

TAXONOMY 
Class Malacostraca Latreille, 1802 
Order Isopoda Latreille, 1817 
Family Agnaridae Schmidt, 2003 

Genus Protracheoniscus Verhoeff, 1917 

Protracheoniscus krivolutskyi Gongalsky sp. n.
 
DIAGNOSIS. The species of Protracheoniscus is characterized by the antennal flagellum with the articles of a ratio 1:2; noduli laterales are located anteriorly of the middle line of pereonite 1.

ETYMOLOGY. The species name krivolutskyi originates from Prof. Dr. Dmitri A. Krivolutsky (1939–2004), a prominent Russian soil zoologist who encouraged the first author to study soil biology.


Konstantin B. Gongalsky, Philipp S. Byzov and Dmitry A. Medvedev. 2024. A New Species of the Genus Protracheoniscus Verhoeff, 1917 (Isopoda: Oniscidea: Agnaridae) from the northwestern Caucasus. Arthropoda Selecta. 33(1): 65–75. DOI: doi.org/10.15298/arthsel.33.1.06