Spiny Orb-weaver

Scientific Name: Gasteracantha cancriformis

Order & Family: Order Araneae, Family Araneidae

Size: Females are 5-9 mm long and 10-13 mm wide; males are much smaller, around 2-3 mm long.

Spiny Orb-weaver

Natural Habitat

Found in woodland edges, shrubby gardens, and citrus groves, primarily in tropical and subtropical climates.

Diet & Feeding

Carnivorous; feeds on small flying insects like flies, moths, and beetles that get caught in its web.

Behavior Patterns

Diurnal spiders that spin flat, vertical orb webs with tufts of silk. They have a short lifespan, typically living only until they reproduce.

Risks & Benefits

Benefits the ecosystem by controlling insect populations. They are not aggressive toward humans and their bite is generally harmless, though the spines can cause mechanical irritation if handled.

Identified on: 5/17/2026