
Community identification
Black-and-yellow garden spider (writing spider)
Argiope aurantia
- Order & Family
- Araneae, Araneidae
- Size
- Females are about 19–28 mm in body length; males are much smaller, about 5–9 mm.
Natural Habitat
Sunny gardens, meadows, and field edges with tall vegetation for anchoring its web.
Diet & Feeding
Catches and eats flying insects, especially grasshoppers, flies, and bees, in a sticky orb web.
Behavior Patterns
Builds a large vertical web, often with a zigzag silk band near its center; the female typically rests head-down in the web. Adults are most noticeable in late summer and fall.
Risks & Benefits
Not aggressive, and bites are uncommon; a bite may cause temporary, mild pain. It benefits gardens by eating insect pests.