Nursery Web Spider

Scientific Name: Pisaurina mira

Order & Family: Araneae: Pisauridae

Size: Body length 10-15 mm for females; males are slightly smaller.

Nursery Web Spider

Natural Habitat

Fields, meadows, and woodlands, often found on shrubs, tall grass, or the exterior of buildings.

Diet & Feeding

Carnivorous; hunts various insects such as flies, moths, and gnats using ambush tactics.

Behavior Patterns

Do not build webs to catch prey; females carry their egg sacs in their chelicerae and build a silk 'nursery' tent when the eggs are ready to hatch.

Risks & Benefits

Benefits the ecosystem by controlling pest insect populations; they are not aggressive toward humans and their venom is not considered medically significant.

Identified on: 5/26/2026