Hellula undalis

"Cabbage webworm" redirects here. For the other moth with this common name, see Hellula rogatalis.

Hellula undalis, the cabbage webworm or Old World webworm, is a moth of the family Crambidae. It is a widespread species which is found from Europe across Asia to the Pacific. It was first described from Italy but it is a tropical or subtropical species only occasional in Europe.

Hellula undalis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Crambidae
Genus:	Hellula
Species:	H. undalis
Binomial name
Hellula undalis (Fabricius, 1794)[1]
Synonyms
Phalaena undalis Fabricius, 1794 Pionea geyri Rothschild, 1915 Pyralis lunulalis Costa, 1836 Scoparia alconalis Walker, 1859 Leucinodes exemptalis Walker, 1866 Evergestis occidentalis de Joannis, 1930 Ashwania reniculus Pajni & Rose, 1977 Hellula undulalis Hübner, 1825 Crypsotidia parva Rothschild, 1921

The wingspan is about 18 mm. The forewings are greyish-brown with wavy grey markings, a curved pale subterminal patch and a kidney shaped mark at one third. The hindwings are pale, with the tip lighter. ^[2]

It is a pest of Brassica oleracea (cabbage) and Brassica rapa (turnip)