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Ladybird Spider (Eresus cinnaberinus) - Wiki (주홍거미)
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Eresus cinnaberinus
From Wikipedia, the free encyclopedia
[Photo] Male Ladybird Spider (Eresus cinnaberinus) in Germany. Photo by Wofl (http://commons.wikimedia.org/wiki/User:Wofl), September 2005, Germany
Eresus cinnaberinus (formerly Eresus niger), of the family Eresidae, is commonly called the Ladybird Spider. It is native to Europe.
Description
Males are up to 11 mm long, females can reach up to 20 mm. Males have a black prosoma and a strikingly red opisthosoma with four black dots (sometimes with white lining), imitating a ladybug. The black legs have white stripes, the hind legs are partly red. Females are black with some white hairs, only the front is sometimes yellow.
Distribution
This species can be found in Europe from Portugal to Ukraine, from England to Greece. It prefers sunny, dry locations and is widely distributed in Central and Southern Europe.
Habits
These spiders live in up to 10cm long underground tubes with a diameter of about one centimeter. On top they are much wider and lined with cribellate silk. Many webs can usually be found in the same place, sometimes up to ten on a single square meter. E. cinnaberinus mainly catches millipedes and beetles. Males walk around during September, searching for females. If it finds one, it lives with the female in her tube, and they feed from the same web.
Conservation
This spider is classified as endangered in Great Britain. It is given full protection under Schedule 5. of the Wildlife and Countryside Act 1981. In Germany it is also considered endangered.
History
Until the late 1920s the species was recorded from several sites in the English county of Dorset but was subsequently considered extinct in Britain. Rediscovered in 1979, it is known from only a single vulnerable, confirmed site in the town of Wareham. Other unconfirmed reportings have yet to be substantiated.
Subspecies
Eresus cinnaberinus bifasciatus Ermolajev, 1937 (Russia)
Eresus cinnaberinus frontalis Latreille, 1819 (Spain)
Eresus cinnaberinus ignicomus Simon, 1914 (Corsica)
Eresus cinnaberinus illustris C. L. Koch, 1837 (Hungary)
Eresus cinnaberinus latefasciatus Simon, 1910 (Algeria)
Eresus cinnaberinus tricolor Simon, 1873 (Corsica)
http://en.wikipedia.org/wiki/Eresus_cinnaberinus
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