A round-bodied spider with a brilliantly patterned orange-and-yellow abdomen — sometimes called "pumpkin spider" for its autumn appearance and Halloween-perfect colors. Builds and rebuilds large vertical orb webs nightly.

§ Quick facts

SizeBody length 7–25 mm
Weight~200 mg
Lifespan1 year
OrderAraneae
FamilyAraneidae

§ Encyclopedia

Araneus marmoreus, commonly called the marbled orbweaver, is a species of spider belonging to the family Araneidae. It is sometimes also called the pumpkin spider from the resemblance of the female's inflated abdomen to an orange pumpkin. It has a Holarctic distribution.

Source: Wikipedia — Araneus marmoreus Licensed under CC BY-SA 4.0

§ Identification

Field marks. Round-bodied spider with mottled orange-and-black abdomen.

Similar species. Other orb weaver species.

Voice. N/A

§ Diet & behavior

Diet. Small insects.

Behavior. Builds new orb web daily; recycles silk by eating old webs.

§ Range

Across most of North America

§ Habitat

Forest edges, weedy fields, gardens

§ Threats

Pesticide drift, lawn-centric yards reducing prey, habitat loss.

§ Conservation status

According to the IUCN Red List, the marbled orb-weaver is currently classified as Least Concern.

§ What helps

Skip pesticides. Maintain weedy garden corners. Tolerate webs (they'll be gone by morning).

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§ Further reading

§ Sources cited

  • American Arachnological Society
  • iNaturalist