One of the best methods for getting rid of sawfly larvae is to use food-grade diatomaceous earth. ... Diatomaceous earth kills the larvae as they move over the powder because it cuts and shreds their outer layer. Best of all, DE contains no toxins, so it's safe around pets and humans.

What product kills sawflies?

The combination of Insecticidal Soap and Botanical Pyrethrins will kill Sawfly Larvae on contact if they are spotted in your trees. Azadirachtin is also an effective control for Sawfly Larvae.

How do I get rid of sawfly?

Good choices that are effective, but have little environmental impact, include insecticidal soaps and narrow-range oils. Another aspect of sawfly insect control is directed at the pupa that overwinter in cocoons in the soil.