Thisanotia is a monotypic genus of moth in the family Crambidae described by Jacob Hübner in 1825. Its single species, Thisanotia chrysonuchella, described by Giovanni Antonio Scopoli in his 1763 Entomologia Carniolica, is found in Europe.
Description The wingspan is 24–34 mm. The forewings are ferruginous- brown, clearly irrorated with black; veins and costal edge marked with rather undefined white streaks; median line thick, obtusely angulated, ferruginous-brown; second white, anteriorly edged with ferruginous-brown, rounded -angulated; termen ferruginous- yellow, with some indistinct black dots; cilia metallic. The hindwings are grey.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and description
Biology The moth flies in one generation from May to June..
The larvae feed on various grasses such as Festuca ovina.
Subspecies Thisanotia chrysonuchella chrysonuchella Thisanotia chrysonuchella dilutalis (Caradja, 1916)
Notes The flight season refers to Belgium and the Netherlands. This may vary in other parts of the range.
Further reading Mark Parsons, Sean Clancy, David Wilson A Guide to the Pyralid and Crambid Moths of Britain and Ireland: Atropos, England.
References
External links Lepiforum.de Microlepidoptera.nl Lepidoptera of Belgium Thisanotia chrysonuchella at UKMoths