Arctosa alpigena

(Doleschall, 1852)

Hilltop Wolf Spider

Arctosa alpigena is a wolf spider in the Lycosidae with a holarctic distribution spanning North America, Greenland, and Eurasia. It is one of numerous Arctosa adapted to open, often sandy or gravelly . Like other wolf spiders, it is an active ground-dwelling hunter rather than a web-builder. The species has been subject to reproductive studies examining spatial and temporal patterns of mating and offspring production.

2010-07-11-CPX-9130a by D. Sikes. Used under a CC BY-SA 2.0 license.

Pronunciation

How to pronounce Arctosa alpigena: //ɑːkˈtoʊsə ælˈpɪdʒənə//

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Distribution

Holarctic: recorded from North America, Greenland, Europe, and Russia (European Russia through the Far East and Middle Siberia). GBIF distribution records confirm presence across northern regions of both the Nearctic and Palearctic.

Similar Taxa

  • Arctosa littoralisBoth are medium-sized wolf spiders in the Arctosa with pale, mottled coloration adapted to sandy substrates. A. littoralis is restricted to coastal and riparian sandy in North America, while A. alpigena has a broader holarctic range and is associated with more upland open habitats.
  • Arctosa rubicundaAnother North American Arctosa of similar size and general ; distinguished by preferences and subtle differences in coloration and pattern.

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