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Eriophora biapicata

Fact Box
Eriophora biapicata (JS)
or a closely related species
Previous species name:
Araneidae (formerly Argiopidae)
Body length:
female: 20 mm
male: 16 mm
In a vertical orb web which the spider occupies only at night, moving to a retreat near the top of the web soon after dawn
Uncertain; may cause mild illness but this spider is not aggressive towards humans
Eriophora biapicata
Click to enlarge
The male
Click to enlarge
Underneath male

The pattern of markings and projections on the upper surfaces of the abdomen is characteristic of this species. Those on the closely related Eriophora pustulosa and Acroaspis tuberculifera are similar but the latter species is often darker and has a more angular body shape.

Spider(s) with a very similar appearance: Eriophora species, particularly Eriophora transmarina, Eriophora pustulosa and Acroaspis tuberculifera.

Email Ron Atkinson for more information.    Last updated 8 February 2007.