Udea prunalis

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 Matthew 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 Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Udea
Species:
U. prunalis
Binomial name
Udea prunalis
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
  1. Zhang, Dandan; Li, Jinwei (2016). "Two new species and five newly recorded species of the genus Udea Guenée from China (Lepidoptera, Crambidae)". ZooKeys (565): 123–139. doi:10.3897/zookeys.565.6304. PMC 4820098. PMID 27081338.
  2. "Butterfly and Moth Recording Report 2011" (PDF). butterfly-conservation.org.
  3. Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Public Domain This article incorporates text from this source, which is in the public domain. Keys and description
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