These insects develop via two feeding and two nonfeeding larval stages. We aim to enrich everyone’s life through plants, and make the uk a greener and more beautiful place. Lifecycle Of Thrips - From Egg To Instar To Adult In Under 10 Days In fall, overwintering eggs are laid mostly in the last growth flush of the season. Citrus thrips life cycle . Overwintered eggs hatch in march about the time of the new spring growth. Appearance and life cycle of citrus thrips when food availability is optimal, the life cycle lasts 20 days during october and november. Some species of thrips can cause a mottling on foliage and flowers of a wide range of garden and glasshouse plants. With warmer weather, the life cycle from egg to adult can be completed in 2. Thrips life cycle the thrips life cycle begins in the egg stage, before the thrips hatch and begin development. Because thrips are tiny, identification using a hand lens may be very difficult. They reach maturity after two w...