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.diegojavierfares.com/special-offer-Rothbury-Chrome-two-handle-low-arc-bathroom-faucet-p13193-best-find/