Amdro Pro - Ant Hill - Warm Season

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I just bought 1 pound of Drive 75DF. Can you confirm that a level tablespoon equals 0.367 ounces? Also, for spot spraying, the label recommends 2 tablespoons (1 oz) of MSO per gallon of water. However, 0.55 oz of MSO is specified elsewhere.

Which is correct?

Thanks!
Felix-VA., Ask



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By Kyle Miller, Senior Technical Specialist for the BASF Turf & Ornamental Group.

I noticed a rather strange thing occurring at a fire ant mound several days after I had applied Amdro® Pro to it. Some of the ants were carrying dead ants out of the mound and placing them in a pile near the mound. Can you explain what was happening?
Amdro is a slow acting stomach poison that usually takes several days to begin killing ants in the mound. The bait is fed on by ants in the mound and then passed on to other ants by feeding. What you saw were the ants that were still alive in the mound carrying out the ones that ingested the product initially and died first. The live ants obviously sensed something was wrong in the mound and wanted to get the dead ants out, thus the “bone pile” or “cemetery” that you observed.
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