The adults are 3/4 inch long silvery or cream colored moths that fold their wings length-wise over their abdomen into a tube shape when at rest (Images A & B). Webworm moths also have soft mouthparts that project forward on the head (hence, they are called snout moths). The adults can be seen flying over lawns at various times during the summer, but this does not indicate a problem unless very high numbers are observed. Webworms spend the winter as larvae hiding in the thatch and soil. More than one species is found in Michigan, but the bluegrass webworm has two generations per year with larvae present in late June to July and again in September.