Scarlet Oak Sawfly

The characteristic damage produced by Oak Slug Sawflies is evident on their namesake hosts in southwest Ohio. Some of the damage occurred earlier in the season, while other damage is occurring right now.

First generation scarlet oak sawfly larvae are beginning to skeletonize oak leaves in southwest Ohio. Despite this sawfly's common name, larvae may be found feeding on a wide range of oaks including pin, black, red, and white oaks as well as its namesake oak.

First generation scarlet oak sawfly larvae are beginning to skeletonize oak leaves in southwest Ohio. The larvae are currently in the 1st and 2nd instar stages and a little less than 1/8" long. Despite this sawfly's common name, larvae may be found feeding on a wide range of oaks including pin, black, red, and white oaks as well as its namesake oak.