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Crambus hamella
Crambus hamella is a species of moth in the family Crambidae described by Carl Peter Thunberg in 1788.[1] It is found in most of Europe (except the Iberian Peninsula and most of the Balkan Peninsula),[2] east to the Russian Far East (Amur, Sakhalin) and Japan.[3] It is also found in North America, including Alberta, Arizona, Manitoba, Michigan, Oklahoma and Ontario.[4] The wingspan is 18–23 mm.[5] The forewings with apex slightly produced; brown, posteriorly whitish-sprinkled, terminally suffused with white; a broad snow - white pointed median longitudinal streak from base, not reaching second line, lower edge with a projection in middle; second line angulated, silvery - white, anteriorly dark-edged; a triangular white subapical spot; several terminal longitudinal black marks; cilia metallic. Hindwings are grey.[6]See also Parsons et al. [7] Adults are on wing from July to August in generation per year.[8] The larvae feed on grasses, possibly including Deschampsia flexuosa. Subspecies
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