Ant-mimic spider
Scientific Name: Castianeira longipalpa
Order & Family: Order: Araneae; Family: Corinnidae
Size: Approximately 7 to 13 mm in length.

Natural Habitat
Typically found in leaf litter, under rocks, or on various natural and man-made structures in gardens and woodlands.
Diet & Feeding
Carnivorous; feeds mainly on small insects and other spiders, using its speed to ambush prey.
Behavior Patterns
Notable for its mimicry of ants in both appearance and movement, including waving its front legs like antennae to avoid bird predation and sneak up on prey.
Risks & Benefits
Benefits the ecosystem by controlling pest insect populations; they are generally harmless to humans, although they can bite if provoked, with effects similar to a minor bee sting.
Identified on: 3/25/2026