Bold Jumping Spider (Red-backed variant)
Scientific Name: Phidippus audax
Order & Family: Araneae: Salticidae
Size: 6 to 19 mm (0.25 to 0.75 inches)
Natural Habitat
Open areas including grasslands, prairies, and gardens; frequently found on buildings and fences.
Diet & Feeding
Carnivorous; hunts insects and other spiders by pouncing rather than using a web.
Behavior Patterns
Active daytime hunters with excellent vision. Known for curious behavior and jumping capabilities up to 50 times their body length.
Risks & Benefits
Benefit the ecosystem by controlling pest populations. Generally harmless to humans; bites are rare and typically no worse than a bee sting.
Identified on: 3/13/2026