Barn Spider

Natural Habitat

Found in barns, caves, mine shafts, and on the sides of buildings or under porch eaves.

Diet & Feeding

Carnivorous; feeds primarily on flying insects such as flies, moths, and mosquitoes caught in its orb web.

Behavior Patterns

Nocturnal; they build large orb webs every evening and often consume them at dawn to recycle the silk. They typically hide in a crevice during the day.

Risks & Benefits

Benefits the ecosystem by controlling insect populations. They are not aggressive and their venom is not medically significant to humans, similar to a bee sting.

Identified on: 6/29/2026