Karsholtia is a genus of moths of the family Tineidae. The genus contains the single species Karsholtia marianii. It is found in Norway, Sweden, Denmark, Germany, Austria, France and on Sicily.Fauna Europaea
The wingspan is 8–11 mm. Adults are on wing in July.Swedish Moths
The larvae have been recorded feeding on the decaying trunks of Carpinus betulus.HUEMER, P. (1998): Karsholtia marianii (Rebel, 1936), ein bemerkenswerter Neufund eines Kleinschmetterlings für Österreich (Insecta: Lepidoptera, Tineidae), in: Ber.naturw.-med.Ver.Innsbruck 85, 329-333
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