Naming
It was previously classified as a member of the genus "Araneus" but has been reclassified in 2012 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, which give it the species name "eburnus" pertaining to ivory.
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. The ranges of this species and "P. cyphoxis" overlap in South Australia.
Behavior
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. The stabilimentum of "P.cyphoxis" is usually observed vertical.References:
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