Cranberry Girdler

 

The temperatures are cooling down, which means fall is shortly to follow. And while your plants, trees and lawn prepare to go into dormancy in the coming months, there are still several pests that appear during this time of the season. And if left untreated, your lawn and trees could start showing signs of distress, which will only get worse next spring. One such pest that thrives in the fall months is the cranberry girdler. The cranberry girdler is a webworm that gets underneath the turfgrass and is not readily visible to the naked eye. This pest thrives in cool-season grasses such as Kentucky bluegrass, bent grass and fine-leaf fescues. In addition to attacking the root system of turfgrass, the cranberry girdler also damages firs and coniferous trees.

The cranberry girdler larvae do the most damage by pruning the roots or destroying the crowns. Often damage is similiar to grub damage where the sod can be easily pulled away from the soil. The first indication of cranberry girdler is small brown spots in late summer, which is when the larvae is near maturity. Healthy, green lawns will generally show less damage, but the damage can spread quickly.

Several natural agents such as parasitic wasps and flies, and birds can be effective in eliminating cranberry girdler, but often an insecicide can be the best way to erradicate this pest from your lawn and trees. Broad spectrum products work effectively, but may reduce natural enemies. If you suspect cranberry girdler to be in your lawn or if you have more questions about this pest, contact Ferta-Lawn.

 

 

 


 



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