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''Marpissa muscosa'' is a 
On average, females have body length ranging from 7.5–14mm, whereas males have a body length ranging from 6–8.1mm. Both sexes are coloured grey to brown. The whole spider has a furry appearance and is flattened in shape.
The species builds a kind of nest under the bark of dead trees. Up to 100 of these nests can occur side by side. As other species of ''Marpissa'' spiders, it demonstrates a social hierarchy: weaker animals will acknowledge their inferiority by strutting their front legs and slowly retreating from the scene. Early environmental conditions shape personality types in the developing spiders.Jannis Liedtke, Daniel Redekop, Jutta M. Schneider, Wiebke Schuett: ''Early environmental conditions shape personality types in a jumping spider.'' In: Ann V. Hedrick: ''The Development of Animal Personality'', Frontiers Research Topics, Frontiers Media SA, vol. 3, Dec 2015, article 134, , , .
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of jumping spider
Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000 described species, making it the largest family of spiders at 13% of all species. Jumping spi ...
.
On average, females have body length ranging from 7.5–14mm, whereas males have a body length ranging from 6–8.1mm. Both sexes are coloured grey to brown. The whole spider has a furry appearance and is flattened in shape.
The species builds a kind of nest under the bark of dead trees. Up to 100 of these nests can occur side by side. As other species of ''Marpissa'' spiders, it demonstrates a social hierarchy: weaker animals will acknowledge their inferiority by strutting their front legs and slowly retreating from the scene. Early environmental conditions shape personality types in the developing spiders.Jannis Liedtke, Daniel Redekop, Jutta M. Schneider, Wiebke Schuett: ''Early environmental conditions shape personality types in a jumping spider.'' In: Ann V. Hedrick: ''The Development of Animal Personality'', Frontiers Research Topics, Frontiers Media SA, vol. 3, Dec 2015, article 134, , , .
Distribution
''Marpissa muscosa'' lives in thePalaearctic
The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa.
The realm consists of several bioregions: the Euro-Sibe ...
.
Though rare in England, it is found throughout the country, more in the south and east. The species is widespread in northern Europe.
Habitat
These spiders are typically found on spruce and pine trees, under bark, in moor- and heathland, and around buildings.References
External links
Salticidae Spiders of Europe Spiders described in 1757 Taxa named by Carl Alexander Clerck Palearctic spiders {{Salticidae-stub