The Find-a-Spider Guide

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Runcinia acuminata

Fact Box
Species:
Runcinia acuminata (RM)
formerly Runcinia elongata (JS)
Family:
Thomisidae
Body length:
female: 9 mm
male: 5 mm
Habitat:
On the dry seed heads of native grasses which it uses to protect its egg sac; makes no web but ambushes its prey; also rests on on pale leaves or flowers
Toxicity:
Unknown; venom assumed to be essentially harmless to humans; not obviously aggressive
Runcinia acuminata
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Side view
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Front view
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With egg sac
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The male

The tapering abdomen with two pale lateral lines on its upper surface is quite distinctive and the spider also has the first two pairs of stout legs extended straight outwards and slightly forwards.

Spider(s) with a very similar appearance: None.


Email Ron Atkinson for more information.    Last updated 25 February 2013.