Plutella xylostella is a pest insect that causes the most damage to plants in the Brassicaceae family, with losses reaching up to US$4–5 billion. This study aimed to examine the attraction of parasitoids to pakchoi that had been induced with the entomopathogenic fungus Metarhizium anisopliae, eggs, and larvae of P. xylostella, and whether these treatments could attract Trichogramma sp. parasi…