Crambus lathoniellus is a species of moth of the family Crambidae described by Johann Leopold Theodor Friedrich Zincken in 1817. It is found in Europe, Central and South-East Asia.
The wingspan is about . In this Crambus a white longitudinal stripe emanates From the wing base ending sharply at an obliquely running dark line. In some specimens a white spot is formed in continuation and up to the submarginal line. The longitudinal strip has behind the center (seen from the base), closer to the submarginal line a "tooth" facing outwards and to the inner edge. Meyrick - Forewings with apex somewhat produced; brown, sometimes ochreous-mixed, in male with grey, in female with whitish blackish-edged interneural streaks; a subcostal white streak on basal half; a white median streak, upper edge straight, lower edge projecting in middle, cut by sharply angulated dark brown median line; second line angulated, white, edged with dark brown, preceded by white costal mark; a white terminal streak, with several black dots; cilia metallic. Hindwings rather dark grey.Mark Parsons, Sean Clancy, David Wilson A Guide to the Pyralid and Crambid Moths of Britain and Ireland: Atropos, England.
Larva greenish-grey or brownish-grey; dots darker; head brown, darker-marked: in silken galleries above or among roots of grasses.
The moth flies from May to September depending on the location.
The larvae feed on various grasses.
Subspecies Crambus lathoniellus lathoniellus (Europe, Asia Minor, Transcaucasus to Central Asia to Amur) Crambus lathoniellus alfacarellus Staudinger, 1859 (Spain) Crambus lathoniellus altivolens Schawerda, 1913 (Yugoslavia)
References
External links Lepiforum de Crambus lathoniellus. UKMoths.