期刊
JOURNAL OF NATURAL HISTORY
卷 52, 期 33-34, 页码 2197-2207出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00222933.2018.1523483
关键词
Friesea eureka sp nov.; Enderby Land; morphology; endemism
资金
- Trans-Antarctic Association Grant
A new species of Friesea was found in East Antarctica and is described here as Friesea eureka sp. nov. This is the first new collembolan species to be described from the Antarctic continent in 30 years, even though ice-free areas have been intensively surveyed over that time. It brings to five the number of described species of the genus Friesea known from the Antarctic continent and Peninsula, so is the most speciose genus of Collembola in the region. However, one of these, F. grisea Schaffer, comprises a number of cryptic species of different molecular lineages. The new species is distinguished by having 4 + 4 ocelli plus 1 + 1 hardly visible, a very reduced furca, up to four or five faintly clavate tenent hairs, four anal spines and four spinose chaetae in adult. The restricted distribution of the species emphasises the importance of protecting ice-free areas on the continent as they often contain at least one locally endemic faunal species
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