Bug Identifier
Bird Dropping Spider
Community identification

Bird Dropping Spider

Cyrtarachne bufo

Order & Family
Araneae, Araneidae
Size
2mm to 12mm (females much larger than males)
See this bug in the Encyclopedia

Natural Habitat

Found in gardens, forests, and scrublands on foliage

Diet & Feeding

Carnivorous; feeds primarily on moths and other small nocturnal insects

Behavior Patterns

Master of mimesis; it sits motionless during the day resembling a bird dropping to avoid predators. At night, it spins a simple web or hangs by a thread using pheromones to attract male moths.

Risks & Benefits

Generally harmless to humans. Benefit: Controls moth populations in gardens and provides ecological balance as a predator.