Delplanqueia dilutella is a species of moth in the family Pyralidae. It was described by Michael Denis and Ignaz Schiffermüller in 1775. It is found in most of Europe (except Norway),Fauna Europaea east to Russia, Turkey, Iran and Mongolia.
The wingspan is 18–26 mm. The forewings are ferruginous-ochreous, more or less suffusedly mixed with dull crimson and sometimes in disc with blackish; costal half and sometimes a subbasal fascia suffusedly mixed with white; lines whitish, first dark-edged posteriorly, second on both sides; two black transversely placed discal dots; some indistinct blackish terminal dots. Hindwings fuscous or light fuscous, darker terminally. The larva isgreenish-grey, dorsally yellowish-tinged; dorsal and subdorsal lines darker; head and plate of 2 black: in silken galleries amongst Thymus Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and descriptionlepiforum.de includes imagesParsons, M. Clancey, C. 2023 A Guide to the Pyralid and Crambid Moths of Britain and Ireland Atropos Publishing Goater, B., Dyke . G. and Tweedie, R. 1986 British Pyralid Moths: A Guide to Their Identification
Adults are on wing from May to JuneUKmoths in one generation per year.
The larvae feed on Thymus serpyllum, Thymus drucei and Polygala species."Phycitinae Zeller" at Markku Savela's Lepidoptera and Some Other Life Forms. Retrieved June 23, 2017.Lot Moths and Butterflies
References