Bermuda Fall Army Worms
Army worms live and eat ABOVE soil (unlike grubs). Hide in thatch layer. Feed morning and early evening on grass BLADES — visual damage, not root damage. Eggs laid by moths, spreads from neighbors. Typical battle: August-September. May require 2 treatments due to egg hatch cycle. Use same Dou-Kill product as grubs. Detect early for best results.
Frequently Asked Questions
How do I know if I have army worms?
Army worms create rapidly expanding brown patches that look like the lawn was scalped. They feed mostly at night. Perform a soap flush test by mixing dish soap with water and pouring it on the edge of a damaged area to bring them to the surface.
When do army worms attack bermuda?
Fall army worms typically appear in late summer through early fall, often in August and September. They can consume large areas of bermuda in just a few days if left untreated.
What insecticide kills army worms?
Bifenthrin and cyhalothrin provide quick knockdown of army worms. Apply in the late afternoon since army worms are most active at night. Water lightly before application to bring them to the surface.
Will bermuda recover from army worm damage?
Yes. If the roots and stolons are intact, bermuda will recover from army worm damage within a few weeks during the growing season. Fertilize lightly after treatment to support recovery.
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