Answer
European chafer and the Japanese beetle could be the most destructive
Step-by-step explanation
European chafer damages are common and cover more lands due to the dry conditions across the Michigan state. In September and October grub damage is observed due to the pest thus residents are advised to treat turf grass areas with preventives insecticides.
Early summer and warm springs experience the effects of the Japanese beetle with its destructive nature increasing in July. An indication of this pest is damage to lindens, roses and many other plants.