Aphidius ervi 250/vial - $40.95

APHIDIUS ERVI
Potato Aphid Predator

Aphidius ervi is a tiny predatory wasp that preys on potato aphids. Potato aphids (Macrosiphum euphorbia) are the species most often found on garden vegetables, especially tomatoes and their relatives, including peppers, eggplant, and potatoes.

Aphidius ervi wasps inject eggs into the aphids, leaving the aphid alive. After a few days, the egg hatches and a larva emerges to consume its aphid host. The dead aphid is converted to a leathery brown “mummy,” from which a new adult wasp emerges. You will begin to find these “mummies” 2 to three weeks after releasing your A. ervi...