Satilatlas
Keyserling, 1886
Species Guides
1Satilatlas is a of sheet-weaving spiders ( Linyphiidae) established by Eugen von Keyserling in 1886. The genus comprises eight described and one distributed across northern temperate regions including Europe, Russia, North America, and Alaska. These spiders construct flat, horizontal sheet webs, a characteristic of their family. The type species, Satilatlas marxi, was described from Russia and also occurs in Alaska and Canada.
Pronunciation
How to pronounce Satilatlas: //ˌsætɪˈlætləs//
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Identification
Members of Satilatlas can be distinguished from other linyphiid by a combination of genitalic characters, particularly male palpal and female epigynal structures. Specific diagnostic features require microscopic examination and comparison with . The genus is not readily identifiable to level without detailed morphological study.
Distribution
Europe (including Denmark, Norway, Sweden), Russia, United States, Canada, and Alaska. Specific have restricted ranges: S. britteni occurs in Europe; S. marxi spans Russia, Alaska, and Canada; S. arenarius, S. gentilis, S. insolens, and S. monticola are found in the USA and Canada; S. carens, S. gertschi, and the S. m. matanuskae are restricted to Canada or Alaska.
Similar Taxa
- Other Linyphiidae generaMany linyphiid share the sheet-web building habit and small body size; definitive separation requires examination of genitalic and other fine structural details.
More Details
Taxonomic history
The was established by Keyserling in 1886 with Satilatlas marxi as the type . Several species were added by Millidge in 1981 based on North American material. The S. m. matanuskae was described by Chamberlin in 1949 from Alaska.