Bug Identifier
Spinybacked Orbweaver
Community identification

Spinybacked Orbweaver

Gasteracantha cancriformis

Order & Family
Order Araneae, Family Araneidae
Size
Females are 5 to 9 mm long and 10 to 13 mm wide; males are much smaller, around 2 to 3 mm.
See this bug in the Encyclopedia

Natural Habitat

Found in woodland edges, shrubbery, and citrus groves across the southern United States, Central America, and parts of the Caribbean.

Diet & Feeding

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

Behavior Patterns

Constructs vertical orb webs with distinctive silk tufts; females have a crab-like shape with six prominent spines. They are generally solitary and active during the day.

Risks & Benefits

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