Many studies indicate that there is a density of aphids below which ladybirds are unlikely to lay eggs. This is adaptive as theory indicates that a certain minimum population density of aphids is required if hatchling larvae are to survive. The responses of gravid females of the two spot ladybird. Adalia bipunctata (L. https://www.itsmajorlook.com/great-deal-Chicago-Cubs-Earrings-Round-Design-p21310-limited-grab/