Aphidius ervi
Aphidius ervi is a species of parasitoid wasp in the subfamily Aphidiinae of the family Braconidae. It can be found globally.
A. ervi is used as a biological control for aphids in order to prevent aphid damage to crops. It parasitizes several Macrosiphinae aphid species, including the pea aphid, but it prefers the potato aphid and foxglove aphid as its hosts.