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Zookeys. 2019 Dec 12;899:37-45. doi: 10.3897/zookeys.899.47030. eCollection 2019.

Nienna chukotka sp. nov. (Protura, Acerentomidae, Nipponentominae) from the Arctic region, with a key to species of the genus.

Author information

1
Institute of Soil Biology, Biology Centre, Czech Academy of Sciences, Na Sádkách 7, 370 05 České Budějovice, Czech Republic Institute of Soil Biology, Biology Centre, Czech Academy of Sciences České Budějovice Czech Republic.
2
Institute of Systematics and Evolution of Animals, Polish Academy of Science, Sławkowska 17, Pl 31-016 Krakow, Poland Institute of Systematics and Evolution of Animals, Polish Academy of Science Krakow Poland.
3
State Museum of Natural History, Ukrainian Academy of Sciences, Teatral'na St. 18, UA 79008 Lviv, Ukraine State Museum of Natural History, Ukrainian Academy of Sciences Lviv Ukraine.

Abstract

A new species of Nienna was collected in the most northern part of the Palearctic, inside the Arctic Circle. In possessing seta Pc on tergite VII and sternites VI-VII and a very long foretarsal sensillum a, Nienna chukotka sp. nov. is more similar to Alaskaentomon species than to the other Nienna species distributed in southern Siberia and northern China. The new species differs from nearly all other members of Nipponentominae in possessing five anterior setae on tergite VII and in the presence of posterolateral pores on tergite I, as in members of Hesperentomon (Hesperentomidae). An identification key to Nienna species is provided.

KEYWORDS:

Chaetotaxy; Chukotka; identification key; northern Palearctic; porotaxy

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