Silver-Y moth
d leaves, accumulation of frass and destruction of growing points. Life cycle and appearance of Silver-Y moth The forewings of the silver-Y moth ( Autographa [...] much damage to agricultural crops, particularly brassicas, from August onward. The silver-Y moth ( Autographa gamma ) feeds on plants of 14 families and [...] roof-like above the body. The female lays up to 2,000 eggs on the underside of the leaves of their host plant, usually separately but sometimes in small groups