Udea prunalis is a moth of the family Crambidae. It is found in Europe and China (Gansu, Heilongjiang, Ningxia, Shanxi, Sichuan, Xinjiang). The species was first described by Michael Denis and Ignaz Schiffermüller in 1775.[1] In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common in the UK.[2]

Udea prunalis
Imago
Caterpillar on wych elm (Ulmus glabra)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Crambidae
Genus:	Udea
Species:	U. prunalis
Binomial name
Udea prunalis (Denis & Schiffermüller, 1775)
Synonyms
Pyralis prunalis Denis & Schiffermüller, 1775 Pyralis ferruginalis Fabricius, 1781 Udea obscura Dufrane, 1955 Phalaena nivealis Fabricius, 1781 Phalaena Pyralis ferruginalis Villers, 1789 Pyralis leucophaealis Hübner, 1796

The wingspan is 23–26 mm The forewings are fuscous-grey, base brownish; first line indistinct, second serrate, blackish, curved, with a narrow deep sinuation inwards below middle, on dorsum whitish-edged posteriorly; orbicular and 8-shaped discal spots darker grey; costa posteriorly spotted with darker and sometimes whitish. Hindwings are fuscous-grey, apex darker;two dark fuscous discal dots; a faint second line. The larva is bright deep green; subdorsal line shining white; head grey-whitish.[3]

The moth flies from June to August depending on location.

The larvae feed on various herbaceous plants, shrubs and deciduous trees.

References

External links

• Waarneming.nl (in Dutch)
• Lepidoptera of Belgium
• Kimber, Ian. "63.034 BF1390 Udea prunalis ([Denis & Schiffermüller], 1775)". UKMoths. Retrieved 11 December 2020.

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