At this point, there is nothing that can be done. The female flues will lay their eggs and die within a few days of the first frost. But next spring, topical applications can be made to your turf that will prevent the leather jackets from doing extensive damage. If you have suspicion that you may have an infestation, the following steps should be taken to determine whether or not you should give us a call:
1) Select four areas that appear damaged, or are places where fround birds like Robins and Starlings seem to congregate.
2) Use a butter knife to cut a six inch by six inch square in the turf. Carefully peel back grass.
3) First look for leather jackets feeding on the roots of the grass plant, this is where they will be most visible. Next, examine the sides of your grass sample and larva. Finally, break up some of the grass sample to get an idea of the number of leather jackets embedded in the soil.
4) Carefully replace the grass patch.
5) Multiply the number of leather jackets found by four to get the number oer square foot. Repeat this process three more times to get the average number of leather jackets per