Issues with Centipede lawn???

[KrayzKajun]

Potential customer called about his centipede lawn has been slowing dieing off since last fall. Yard is irrigated. Owner said before the weeds tookover the back yard a spot approx 8x8 die off completely. There are little mounds of dirt all over the yard like something is tunneling. Any ideas of what might be doing this and how to fix? Pics included;






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[KrayzKajun]

Anybody??? Lol
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[RigglePLC]

You need local advice. Seems like it needs more weed control. Little mounds of dirt could be from earthworms or night crawlers. Mole crickets and crayfish are not out of the question.
White fence all around suggests no air circulation--and therefore heat build up--I am thinking it got hot last year. No wind means heat can build up higher. Humidity, also.
A dead spot suggests a plugged irrigation nozzle or popup fail.

[windflower]

Looks like mole crickets to me. Don't know about insecticide timing there. The trick is to kill the next generation when they are little. The adults are difficult to kill. Fipronil is great if you can use it there.

[KrayzKajun]

After a lil research last night, all the signs do point towards Mole Crickets. We have a pretty big issue with them down here b
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