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Silver Y Autographa gamma Length 20-22mm. A familiar migrant moth that flies in the daytime as well as at night. It rests with its wings in a tent-like manner. Adult has grey-brown forewings with a bold white ‘Y’ marking that is diagnostic. Flies May–October. Larva feeds on a range of low-growing plants. Widespread and common in most years; it migrates from southern Europe and also breeds in Britain.