Phryganoporus candidus
Foliage-Webbing Social Spider (Phryganoporus candidus) Identification
A small, low-risk Australian web builder, Phryganoporus candidus, whose young share conspicuous leaf-bound nests before the species returns to mainly solitary lives.
Usually low riskThe foliage-webbing social spider, Phryganoporus candidus, is best recognised from its silk architecture and life cycle rather than from one close spider photograph. Young spiders can remain together in a communal nest of leaves, twigs and debris bound with silk, then disperse as they near maturity. This is called periodic sociality: it is not a permanent cooperative colony. Adults and many other individuals also use small solitary sheet webs and thick-walled retreats. Silvery-grey to brown spiders, patterned abdomens and a tangled leaf-bound web can support a possible identification, but several other Australian web builders make dense foliage retreats. Photograph the whole nest, plant and web before deciding.
Quick identification
- A small 6–10 mm silvery grey to brown spider with light and dark brown abdominal markings; the white hair cover can make the body look grey
- A web that binds leaves, twigs or plant debris into a multi-entrance retreat rather than a geometric orb
- An inner shelter linked by passages, with an outer irregular sheet of cribellate silk that can trap prey
- Several juveniles sharing a nest, especially in a seasonal colony, while single adults can occupy small solitary sheet webs
- Mainland Australian open forest, woodland or shrubland context; Tasmania has a similar but distinct Phryganoporus species
What to check next
Photograph the entire web, host plant, entrance holes and any spider from a distance. Note whether the silk is a leaf-bound nest, a flat sheet or a messy tangle, and whether several small spiders are actually using one retreat. Do not pull apart the foliage or collect the nest: it can contain eggs, young and a community of other arthropods. Compare the whole web with hackled orb, curtain-web and black house spider structures before relying on body colour.
When to seek medical help
No species-specific Australian clinical bite series was found for Phryganoporus candidus, and it is not among the medically dangerous spiders highlighted by healthdirect. Avoid handling any spider. For a clearly witnessed ordinary spider bite, wash with soap and water, use a wrapped cold pack for local pain or swelling, and seek medical advice if pain is severe, does not settle within hours, or swelling or itching worsens after 24–48 hours. Call 000 for collapse, breathing difficulty or anaphylaxis. If the bite came from an unidentified big dark funnel-web or mouse-spider-type animal, use the separate emergency guidance instead.
Where it is usually seen
Open forest, woodland and shrubland across mainland Australia, including dry or semi-arid sclerophyll vegetation, gardens, orchards, fences and low shrubs or small trees. Nests are often built on spiky shrubs, Acacia or mallee-type vegetation, but the host plant is not exclusive. The accepted range also includes Norfolk Island. A historic Hobart collection may have been human-assisted, so Tasmania is not used as a normal field filter for this species.