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Upside down money spider

Money spiders

The money spider family is a huge group, with thousands of species in it. They are all small spiders, not more than 5mm long. They get their name from the folklore that if a money spider got caught in your hair it would bring you good luck and increased wealth.

Scientific name: Linyphiidae

Rank: Family

Common names:

  • Dwarf weaver spiders,
  • Sheet weaver spiders,
  • Sheet weavers,
  • Sheetweb spiders

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Distribution

The Money spiders can be found in a number of locations including: Africa, Amazon Rainforest, Arctic, Asia, Australia, China, Europe, Indian subcontinent, Madagascar, Mediterranean, North America, Russia, South America, United Kingdom, Wales. Find out more about these places and what else lives there.

Behaviours

Discover what these behaviours are and how different plants and animals use them.

Additional data source: Animal Diversity Web

About

Linyphiidae is a family of spiders, including more than 4,300 described species in 578 genera worldwide. This makes Linyphiidae the second largest family of spiders after the Salticidae. New species are still being discovered throughout the world, and the family is poorly known. Because of the difficulty in identifying such tiny spiders, there are regular changes in taxonomy as species are combined or divided.

Spiders in this family are commonly known as sheet weavers (from the shape of their webs), or money spiders (in the United Kingdom, Ireland, New Zealand, and in Portugal, from the superstition that if such a spider is seen running on you, it has come to spin you new clothes, meaning financial good fortune).

There are six subfamilies, of which Linyphiinae (the sheetweb spiders), Erigoninae (the dwarf spiders), and Micronetinae, contain the majority of described species.

Common genera include Neriene, Lepthyphantes, Erigone, Eperigone, Bathyphantes, Troglohyphantes, the monotypic genus Tennesseellum and many others. These are among the most abundant spiders in the temperate regions, although many are also found in the tropics. The generally larger bodied members of the subfamily Linyphiinae are commonly found in classic bowl and doily webs or filmy domes. The usually tiny members of the Erigoninae are builders of tiny sheet webs. These tiny spiders (usually 3 mm or less) commonly balloon even as adults and may be very numerous in a given area on one day, only to disappear on the next. Some males of the erigonines are very strange, with their eyes set up on mounds or turrets. This reaches an extreme in some members of the large genus Walckenaeria, where several of the male's eyes are placed on a stalk taller than the carapace.

A few spiders in this family include:

  • Bowl and doily spider, Frontinella communis
  • Filmy dome spider, Neriene radiata
  • Blacktailed red sheetweaver, Florinda coccinea

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