Decision-Making

Average number of crane flies per foot²	Your Decision
0 to 25	Do nothing; fertilize appropriately. May need to treat if turf is young, not well established or with poor root structure.
25 to 50	If your lawn is vigorous and healthy, do nothing. Decisions are based on the health of the turf, your personal tolerance, location and use of the turf
50 to 80	Treat crane fly problem. Look towards long-term solutions, such as replacing problem areas with a turf alternative species.