I'm going in to check on the gals and get some pics, but this what an infestation looks like:
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And this is one way to kill it:
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After a heavy topdress:
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I love getting DE at the feed store, I think I paid less than $8 for a 40 # bag (it's also local, I've trimmed trees for the owner).
First glance today I see a few fliers, and a lot of corpses. Sorry bugs, no mercy.