Larvae hatch in a few days and begin to feed. They feed at night and hide during the day in shelters constructed of bits of grass and debris. Moths begin flying in April or May in warm areas and breeding continues through October. There may be 3 or 4 generations per year with broods overlapping. Larvae slender, grayish, blackspotted caterpillars about inch long when full grown, rather sluggish in their activity.
Moths whitish or buff-colored.
Wing span slightly over 1 inch. One species with white or silver stripe along margin of forewing, others without stripe. Wings folded or rolled close to body when at rest giving slender appearance. Treat when 15 or more larvae are found per square yard. Ornamental and Lawn Pest Control .