The Find-a-Spider Guide

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Eriophora pustulosa

Fact Box
Species:
Eriophora pustulosa (JS)
(but see below the possibility of a new name)
Previous species name:
Araneus pustulosa
Family:
Araneidae
(formerly Argiopidae)
Body length:
female: 12 mm
male: 6.5 mm
Habitat:
The female occupies a typical orb web, mainly at night
Toxicity:
Uncertain; the venom of this species may cause mild illness but this spider is not aggressive
Eriophora pustulosa
Click to enlarge
A male
Click to enlarge
Face of male

As of 4 December 2021 this spider is still listed as an Eriophora species but it seems likely to eventually become Hortophora pustulosa because in November 2021 Framenau et al in Evolutionary Systematics, 5(2), pages 275-334 proposed that the scientific names for the other two the very common Australian Eriophora species should now be Hortophora transmarina and Hortophora biapicata. Eriophora pustulosa is so similar to these two species that it is inconceivable that it should have a different generic name.

The presence of two projections on the front upper surfaces of the abdomen and a T-shaped arrangement of four near its pointed end are characteristic of this species.

Known Range: Recorded as being in near-coastal parts of Southern Queensland, all of NSW, Victoria and Tasmania, and the south-west corner of WA but most common in the south-east parts of the country.

Spider(s) with a very similar appearance: Hortophora species, particularly Hortophora transmarina, Hortophora biapicata, and also Acroaspis tuberculifera.

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Email Ron Atkinson for more information.    Last updated 3 January 2022.