Garden Word of the Day
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Southern Chinch Bugs
Does your lawn have yellow patches that turn brown and die? It may be southern chinch bugs.
Chinch bug damage
Southern chinch bugs (Blissus insularis) love to eat your lawn, especially St. Augustinegrass. They gather in large groups and feed voraciously, draining the sap from your grass plants, causing them to wither and die. Damaged areas can be irregular or circular in shape, similar to masked chafer damage. Unlike many other insects, chinch bugs thrive in hot weather, becoming especially active when temperatures are above 90°F, when your grass plants are already stressed.
Southern chinch bug description
These pests look a lot like beneficial big-eyed bugs. Both have a dark body and light wings that fold over the back in a similar shield-like pattern. The only difference is that big-eyed bugs have a wide head and bulging eyes. Chinch bugs do not. These pests can be seen on grass blades and near the crown. Chinch bugs can be purple, black, brown, or reddish, but they tend to be black and are usually around 1/5 inch long.
Expose pests with a drench test
If you are not sure what is causing your lawn damage, you can conduct a drench test. Follow these steps to force underground pests to the surface:
If more than 135 bugs, or 15 nymphs are found, you will need to treat the area with an insecticide.
Chinch bug management
You can reduce the damage done by southern chinch bugs with these handy tips:
Personally, I find that my chickens do an excellent job of eradicating bugs from my lawn!
6/14/2020 07:53:12 am
Do you think chickens can find and eat chinch bugs off the lawn? Last year I had a horrible chinch bug problem and lost 1/2 the St. Augustine. This year we have two chickens and I see them scratching and pecking throughout the chinch area. I'm really hoping they're finding the bugs. Possible?
6/15/2020 05:52:21 am
Yes, they will!
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