Will from Las Vegas writes
If earthworms come into contact with the area treated with Bayer Advanced Fruit, Citrus and Vegetable Insect Control, they will be affected the same way other insects will be affected. Typically earthworms tend to stay several inches below the surface and remain hidden away from insecticide applications, but if they do end up surfacing in treated areas they will be eliminated. For the most part, insecticides are not selective.
Answer last updated on: 01/02/2018