Hellula undalis
species of insect

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.
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.
It is a pest of Brassica oleracea (cabbage) and Brassica rapa (turnip)
References
External links
Media related to Hellula undalis at Wikimedia Commons
Data related to Hellula undalis at Wikispecies
Zimmerman, Elwood C. (1958). Insects of Hawaii. Vol. 8 Lepidoptera: Pyraloidea.
The public source identifies “Hellula undalis” as species of insect. This brief keeps that definition visible, then builds a research path around Hellula, undalis and species.
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A short description can identify a subject without explaining its stakes. For “Hellula undalis”, the useful work is to connect “species of insect” to the records capable of establishing context and consequence.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Dec 4, 2024. The linked authority identifier is Q5709083. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1958.
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This entry incorporates text from “Hellula undalis” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.