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Animal profile

Hobo Spider

Eratigena agrestis

ArachnidaGround-level cracks, wall voids and window wells, where it builds a funnel-shaped sheet web

Field profile

A brown funnel-weaver that spins a flat sheet with a retreat tube at one end and runs out to grab prey that lands on it. It is common in and around buildings in both its native and introduced range. Identification without a microscope is unreliable.

Scope note

This is an editorial profile, not a diagnostic field-identification guide or a substitute for current conservation assessments. Follow the cited sources on each fact for the evidence trail.

Published field notes

2023-11-15

Hobo Spider

The hobo spider lost its necrotic reputation

For two decades the hobo spider was blamed for necrotic wounds in the Pacific Northwest. Later reviews found no verified case in which an identified hobo spider caused one, and health guidance in the United States was revised accordingly.

Read with evidence →

Hobo Spider | Daily Animal Facts