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webs and egg sacs
Idiosoma berlandi |
(or a closely related species; identification as shown in notes below)
|Previous species name:|
female: 24-30 mm|
male: 12-20 mm
In a burrow in the ground, probably with a door on top
Uncertain; handle with caution
The identity of this spider is based on a taxonomic key provided by Raven and Wishart in 2005. This spider clearly has the following: the eyes
in three rows (2-2-4) with the first two pairs close together and a much wider posterior row of four, plus a pair of clearly visible sigilla (pale pits)
on the dorsal abdomen. These characters identify this spider as being an Idiosoma species, the only other idiopid genus with the same eye arrangement being Eucyrtops, which
is believed to be restricted to Western Australia. The specimen shown above found came from a location close
to the Queensland-NSW border but Ramon Mascord in his 1980 spider booklet shows a matching photo labelled Aganippe berlandi and
allegedly found west of Parkes in Central NSW so it appears possible that the range of Idiosoma berlandi extends from South Queensland to Victoria. On this basis the spider
shown above is presumed to be Idiosoma berlandi or a very similar and perhaps undescribed species.
This spider lives in a burrow in the ground with a plug-like door on top. Males probably are only found during autumn and early winter and after periods of rain as they
wander in search of burrows containing females of the same species.
Spider(s) with a very similar appearance: Euoplos species and Euoplos variabilis flavomaculata (especially for the male).
Email Ron Atkinson for more information.
Last updated 16 April 2018.