See also photo of a male.
Maximum Length: female 26 mm, male 6 mm. Originally a North American species, now cosmpolitan.
Classification
Infraorder Araneomorphae - Spiders with Opposing Fangs
Family Araneidae - Orb weavers, 232 named species in Australia
Sub-family Argiopinae - St Andrews Cross Spiders
Genus Argiope
Species Argiope trifasciata