''Microlinyphia pusilla'' is a species of

spider Spiders (order (biology), order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude spider silk, silk. They are the largest order of arachnids and ran ...

belonging to the family

Linyphiidae Linyphiidae, spiders commonly known as sheet weavers (from the shape of their webs), or money spiders (in the United Kingdom, Ireland, Australia, New Zealand, and Portugal) is a family of very small spiders comprising 4706 described species in 6 ...

. It has a

Holarctic The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical reg ...

distribution. It was known as ''Linyphia pusilla'' until its reclassification in 1928. This species displays strong

sexual dimorphism Sexual dimorphism is the condition where sexes of the same species exhibit different Morphology (biology), morphological characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecy, di ...

: The male is black and shiny with a narrow

abdomen The abdomen (colloquially called the gut, belly, tummy, midriff, tucky, or stomach) is the front part of the torso between the thorax (chest) and pelvis in humans and in other vertebrates. The area occupied by the abdomen is called the abdominal ...

, with a body length (excluding legs) of around 5 mm; The female is slightly larger with a much plumper, silvery abdomen bearing a leaf-shaped black mark. This spider constructs a small

hammock A hammock, from Spanish , borrowed from Taíno language, Taíno and Arawak language, Arawak , is a sling made of fabric, rope, or netting, suspended between two or more points, used for swing (seat), swinging, sleeping, or Human relaxation, res ...

-shaped

web Web most often refers to: * Spider web, a silken structure created by the animal * World Wide Web or the Web, an Internet-based hypertext system Web, WEB, or the Web may also refer to: Computing * WEB, a literate programming system created by ...

in vegetation near the ground.

References

* Linyphiidae Spiders described in 1830 Holarctic spiders {{Linyphiidae-stub