The aphid lurker is an insectoid lurker enemy in The Precursor Legacy. They spawn from the dark eco plant, protecting and guarding it during combat in the Forbidden Temple during the mission "Defeat the dark eco plant". The bug is a stubby, green, spiked insect, with typical lurker features such as large yellow eyes, appendages over its jawline, and a solid necklace.
There are two phases of this bug during combat; its offensive stage and its vulnerable stage (similar to both the ice lurker and the puffer). During its offensive stage it has spikes all across its body, making it impossible to attack without taking damage. During its vulnerable stage, it retracts its spikes into its body making it vulnerable to attack.