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Plebs eburnus
The spider species ''Plebs eburnus'' is commonly referred to as the Eastern Grass Orb-weaver or the Eastern Bush Orb-weaver, and sometimes more simply the Bush Orb-weaver. It is an orb-weaver spider from the ''Araneidae'' family, it is endemic to Australia. It was previously classified as a member of the genus ''Araneus'' but has been reclassified in 2012 〔(【引用サイトリンク】url=http://www.wsc.nmbe.ch/species/5137/Plebs_eburnus )〕 into a newly described genus ''Plebs''. It is closely related to the Western Bush Orb-weaver, ''P. cyphoxis''. It is a very common spider with distinctive white markings (although these marking can be quite variable), which give it the species name ''eburnus'' pertaining to ivory. It is found in scrub and tall grasses where the female constructs a vertical web usually no more than 2 metres from the ground, and stays there day and night. The web of some of these spiders has been seen to be decorated with nearly vertical stabilimentum (like a clockface at 5 minutes to 5 or its mirror image).〔(【引用サイトリンク】url=http://www.arachne.org.au/01_cms/details.asp?ID=1567 )〕 The stabilimentum of ''P.cyphoxis'' is usually observed vertical (like a clockface at 6 o'clock).〔(【引用サイトリンク】url=http://www.arachne.org.au/01_cms/details.asp?ID=2431 )〕
==Distribution==
''P. eburnus'' can be found in Queensland, New South Wales, Victoria, Tasmania, Australian Capital Territory and South Australia. Some rare occurrences have been observed in Western Australia although this is not part of the typical range of this species.〔(【引用サイトリンク】url=http://bie.ala.org.au/species/Araneus+eburnus# )〕 The ranges of this species and ''P. cyphoxis'' overlap in South Australia.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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