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#2182Species-level IDRelatively commonArachnidTier E

Animal field guide

Wall Spider

Identification, habitat, rarity, behavior, symbolism, facts, and practical lessons from nature.

Wall Spider (Oecobius navus) thumbnail image on AnimalDex

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Star Web

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What it teaches

A tiny claimed space on a wall can feed you as well as a forest if you sit still in it.

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Native range

Natural range, not this capture location

Broad land rangeDomesticated worldwide

Native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.

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Scientific name

Oecobius navus

Category

Arachnid

Habitat

Native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.

Rarity

Relatively common · 8/100

Native range

Native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.

Why Star Web?

The creator's reasoning behind this Animal Principle and the biology that supports it.

Oecobius navus is a disc-web spider of walls, stones and buildings worldwide. The web is not a trap net. It is a tent. The hunt is a sprint from the door.

How to identify a Wall Spider

  • Tiny pale spider, 2-3 mm
  • Small star or disc retreat of silk on a wall or under a stone
  • Rushes out backwards or sideways to wrap prey with silk
  • Often many retreats on one sunny wall

Why Wall Spider are interesting

  • It is one of the most successful synanthropic spiders and is now nearly cosmopolitan.
  • It specialises in ants, wrapping them before the bite, which is how a 3 mm spider takes a worker.
  • The retreat looks like a dirty speck or a tiny starfish of silk if you get close.
  • Last-week it arrived as an unidentified capture with a clean binomial.

Habitat: Native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.

Native range: Native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.

Native range

Natural range, not this specific capture location.

Broad land rangeDomesticated worldwide
Domesticated worldwide

Some regional overlays are unavailable in this web build.

Native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.

To find Wall Spider in the wild, focus on the exact habitat patches that match its body design and daily behavior, not just the broad country where it exists. You usually do better by working one good piece of habitat inside native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough. than by covering too much ground.

  • Sunlit logs, exposed branches, warm rocks, or regular perch sites used for scanning
  • Protected habitat blocks within native range keys: domestic_global. Walls, stones, window frames and outdoor furniture, originally Mediterranean and now worldwide with people. A sunny vertical surface with passing ants is enough.
  • Early sun and calm weather usually give the best chance of seeing normal basking, perched, or soaring behavior.
  • Look for food, cover, and movement routes in the same place, because the best sightings usually happen where those overlap.
  • Move quietly, stop often, and give the habitat time to settle; many mammals and insects show themselves only after the first pause.

Ants and other tiny walking insects, wrapped in silk on the wall, then bitten. The retreat is the waiting room, not the snare.

Geckoes, larger spiders and tidy human cleaning. A retreat that is wiped off every week never gets to hunt.

Active in warm hours on the wall; inside the retreat in heat, cold and night.

Adults live a few months. Several generations a year on a building.

Egg sacs inside or beside the retreat. The female stays with them in the same few centimetres.

Males are slimmer and wander more. The spider in the retreat with eggs is female.

  • Tiny pale spider, 2-3 mm
  • Small star or disc retreat of silk on a wall or under a stone
  • Rushes out backwards or sideways to wrap prey with silk
  • Often many retreats on one sunny wall

Wall Spider most often symbolizes star web in AnimalDex because its real survival behavior repeatedly shows this pattern.

A tiny claimed space on a wall can feed you as well as a forest if you sit still in it.

Oecobius navus spins a small star-shaped retreat on walls and under stones, then rushes out to wrap ants. The web is a few centimetres across. The hunt is patience plus one sprint.

  • Observe from a respectful distance and avoid changing the animal's behavior.
  • Do not block feeding, shelter, nesting, or travel routes.
  • Use a live camera capture without handling or staging wildlife.

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