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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.
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.
This article incorporates text from this source, which is in the public domain. Keys and description 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.
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Pupa 
Figs.2, 2a, 2b larvae in various stages of growth 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
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.
De witvlekkruidenmot (Udea olivalis) is een vlinder uit de familie grasmotten (Crambidae). De spanwijdte van de vlinder bedraagt tussen de 24 en 28 millimeter. Door de opvallende witte vlek op de voorvleugel is deze vlinder vrij eenvoudig te herkennen.
De waardplanten van de witvlekkruidenmot zijn diverse kruidachtige planten, met name klimop, koekoeksbloem, brandnetel, gewone smeerwortel en lipbloemigen.
De witvlekkruidenmot is in Nederland een vrij gewone en in België en niet zo gewone soort. De vliegtijd is van mei tot en met augustus.
J.H. Kuchlein, De kleine vlinders, Wageningen, 1993.
De witvlekkruidenmot (Udea olivalis) is een vlinder uit de familie grasmotten (Crambidae). De spanwijdte van de vlinder bedraagt tussen de 24 en 28 millimeter. Door de opvallende witte vlek op de voorvleugel is deze vlinder vrij eenvoudig te herkennen.
Udea olivalis là một loài bướm đêm thuộc họ Crambidae. Nó được tìm thấy ở the châu Âu.
Sải cánh dài 24–28 mm. Con trưởng thành bay từ tháng 5 đến tháng 8 tùy theo địa điểm.
Ấu trùng ăn nhiều loại cây thân thảo khác nhau như Hedera helix, Lychnis, Nettle, Symphytum officinale và Lamiaceae.
Phương tiện liên quan tới Udea olivalis tại Wikimedia Commons
Udea olivalis là một loài bướm đêm thuộc họ Crambidae. Nó được tìm thấy ở the châu Âu.
Sải cánh dài 24–28 mm. Con trưởng thành bay từ tháng 5 đến tháng 8 tùy theo địa điểm.
Ấu trùng ăn nhiều loại cây thân thảo khác nhau như Hedera helix, Lychnis, Nettle, Symphytum officinale và Lamiaceae.
