Pieris rapaeCommon name: Cabbage White
Distribution: An introduced species, it now occurs over most of Australia.
Description: Wingspan up to 44 millimetres.
Notes: Occurs in a wide variety of natural and modified habitats. The caterpillars are usually feed on Brassica species but also Hirschfeldia incana, Lepidium africanum, Sisymbrium officinale, Cleome, Reseda and Tropaeolum.
References: The Complete Guide to Butterflies of Australia. Michael F Braby. 2004
Butterfly House – http://lepidoptera.butterflyhouse.com.au/pier/rapae.html