Loxostege cereralis, the alfalfa webworm, is a species of moth of the family Crambidae. It is found from Quebec to British Columbia, south to Mexico in the west.

Loxostege cereralis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Loxostege
Species:
L. cereralis
Binomial name
Loxostege cereralis
(Zeller, 1872)
Synonyms
  • Eurycreon cereralis Zeller, 1872
  • Loxostege cerealis
Eggs
Larva

The wingspan is 13–25 mm. Adults are on wing from May to early September.

The larvae feed on alfalfa and a variety of other crops and weed species.

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