Hellula hydralis
Hellula hydralis, the cabbage centre grub, is a moth of the family Crambidae. It was described by Achille Guenée in 1854 and is found throughout Australia.
Image:Hellula hydralis [dorsal.jpg|thumb|left|200px|Dorsal view]
Image:Hellula hydralis [ventral.jpg|thumb|left|200px|Ventral view]
The wingspan is about 20 mm.
The larvae feed on Brassica oleracea and Brassica napus.