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| Sheetweb Weaver |
Sheetweb weaver
Frontinella
Neriene
Pityohyphantes
etc.
The sheetweb spiders are a subfamily, Linyphiinae, of sheet weavers. There are more than 800 described species.
In some taxonomies, the subfamily Micronetinae is classified within Linyphiinae as the tribe Micronetini.
Category:Spiders
Sheet weaver
Dubiaraneinae
Erigoninae
Linyphiinae
Micronetinae
Mynogleninae
Stemonyphantinae
Linyphiidae is a family of spiders, including nearly 4,250 described species in over 550 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, 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
External links
- [http://research.amnh.org/entomology/spiders/catalog81-87/index.html Platnick, N.I. 2003. World Spider Catalog]
- [http://www.marion.ohio-state.edu/spiderweb/SpiderPictures/Linyphiidae/Frontinella%20pyramitela%20web.htm Frontinella pyramitela web (photo)]
- [http://www.andtan.newmail.ru/list/ Linyphiidae of the world, huge list of genera and species]
- [http://tolweb.org/tree?group=Linyphiidae ToL on Linyphiidae]
Gallery
Image:Frontilla_close.jpg|Bowl and doily spider, Frontinella communis
Image:Florinda_coccinoa.jpg|Blacktailed Red Sheetweaver, Florinda coccinoa
Image:Florinda_coccinoa_eyes.png|Florinda coccinoa eyes
Category:Spiders
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