This time of year is when grub damage is most evident on the golf course. Actually, it's not the root feeding insect that is doing the damage but animals such as skunks which are tearing up the turf looking for these tasty treats!
We did a preventive application on greens, tees and fairways this summer to control the insects. Therefore there is zero grub activity in these areas. Roughs do have areas where there is a strong grub presence.
Here's a couple of photos of the grub, we believe are actually masked chafer beetles, and the damage caused by animals looking for them:
These photos were taken on an area to the left of #9 fairway.
Currently we are applying a product for control then re-seeding. In order for this not to occur in the future we use our CourseVision maps to mark where we find the damage so we can make a preventative treatment next summer.
Areas with the red outline are examples of where we have found damage in the roughs in the past few weeks.