Udea olivalis

Udea olivalis is a species of moth of the family Crambidae. It was first described by Michael Denis and Ignaz Schiffermüller in 1775 and is found in Europe.

Pupa

Udea olivalis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Udea
Species:
U. olivalis
Binomial name
Udea olivalis
Synonyms
  • Pyralis olivalis Denis & Schiffermüller, 1775
  • Botys olivalis var. caucasica Staudinger, 1897
  • Botys olivalis var. transbaicalis Staudinger, 1897
  • Pyralis umbralis Hübner, 1796

The wingspan is 24–28 mm. The forewings are greyish ochreous or brownish, densely sprinkled with dark fuscous lines hardly darker, indistinct, second serrate, often posteriorly whitish -edged, preceded in middle by a white spot, curved, with abrupt deep sinuation inwards below middle ; large orbicular and reniform discal spot darker, separated by a subquadrate white spot ; posterior half of costa whitish, dotted with dark fuscous. Hindwings white, dorsal half light grey ; two dark grey discal dots ; a fuscous terminal fascia.The larva is light green ; dorsal line dark green ; spots large, black ; head and plate of 2 black-freckled[1]

The moth flies from May to August depending on the location.

The larvae feed on various herbaceous plants, such as Hedera helix, Lychnis, Urtica, Symphytum officinale and Lamiaceae.

References
  1. Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description


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