Species of moth
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Udea fulvalis is a species of moth of the family Crambidae. It was first described by Jacob Hübner in 1809.
Etymology.
The species name "fulvalis" derives from the Latin "fulvus", meaning "fulvous".
Distribution.
This species can be found in most of Europe. 
Description.
"Udea fulvalis" has a wingspan measuring between 24 and 29 mm. The uppersides of the forewings of these moths show a fulvous brown or yellowish-brown colouration, with darker markings. Larvae are pale green, with a black head.
Adults of this species are rather similar to "Ebulea crocealis" and "Udea prunalis".
Biology.
Adults are on wing in one generation a year (univoltine species) from June to late August, depending on location. They preferably fly at night, when they come to light. 
The larvae mainly feed on a variety of plants of the family "Lamiaceae" ("Ballota", "Nepeta" and "Salvia pratensis", etc.), but also on Cornus and "Lychnis". They pupate in a cocoon amongst leaves of the host plants. 
References.
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