Two New Species of Fridericia (Enchytraeidae, Oligochaeta) from Changbaishan Mountain, Jilin Province, China

Zhicai Xie; Yanling Liang; Hongzhu Wang

doi:10.12782/specdiv.5.53

Species Diversity

Online ISSN : 2189-7301
Print ISSN : 1342-1670

Two New Species of Fridericia (Enchytraeidae, Oligochaeta) from Changbaishan Mountain, Jilin Province, China

Zhicai Xie, Yanling Liang, Hongzhu Wang

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Keywords: New species, Fridericia, Enchytraeidae, Oligochaeta, Changbaishan Mountain, China

JOURNAL FREE ACCESS

2000 Volume 5 Issue 1 Pages 53-58

DOI https://doi.org/10.12782/specdiv.5.53

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Abstract

Two new enchytraeids from Changbaishan Mountain in north-eastern China are described. Both species lack lateral setae. Fridericia unisetosa sp. nov. is diagnosed by the absence of spermathecal diverticula and clitellar gland cells dorsally, while Fridericia paraunisetosa sp. nov. is characterized by having 6-8 sessile spermathecal diverticula and dorsal pores from XIII. The only other Fridericia species known to lack lateral setae entirely, the North American F. silvestris (Leidy, 1882), differs in having a longer body and more setae in each ventral bundle.

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