Bug Identifier
Woodlouse Hunter Spider
Community identification

Woodlouse Hunter Spider

Dysdera crocata

Order & Family
Araneae: Dysderidae
Size
Body length 9-15 mm (.35-.59 inches)
See this bug in the Encyclopedia

Natural Habitat

Damp, dark places like under logs, rocks, and leaf litter; frequently found in gardens and basements

Diet & Feeding

Specializes in eating woodlice (sowbugs/pillbugs), using large chelicerae to pierce their hard exoskeletons

Behavior Patterns

Nocturnal hunters that do not build webs for catching prey, instead wandering to find food. They build silken retreats for resting and molting.

Risks & Benefits

Benefits the ecosystem by controlling woodlouse populations. While they can bite if handled, their venom is not medically significant to humans, typically causing only localized redness and minor pain.