Bug Identifier
Barn Spider
Community identification

Barn Spider

Araneus cavaticus

Order & Family
Order Araneae, Family Araneidae
Size
12-20 mm for females, smaller for males.
See this bug in the Encyclopedia

Natural Habitat

Found near human structures like barns, porches, and under eaves, as well as in caves and wooded areas.

Diet & Feeding

Carnivorous; feeds primarily on flying insects like moths and flies caught in its large orb web.

Behavior Patterns

Nocturnal; they build a new web each evening and often tear it down during the day to hide in nearby crevices.

Risks & Benefits

Beneficial to ecosystems by controlling insect populations. They are not aggressive towards humans and their venom is not medically significant.