I stuck a clean oil tray (no oil in it yet) into the Freeman beetle trap on one of my hives last night, and opened the top and gave it a dose of powdered sugar with an adapted rose duster I've been tinkering with.
This morning I found about 8 varroa mites and one larvum (need to look it up but possibly SHB), in the trap and unable to escape. At least 4 of the mites and the larvum were still alive.
Adding veggie oil solved that problem. Not so spectacularly as the rocket, but the bees are better off.
Now, which should I order, thymol or formic acid? Not happy at all with that drop rate. I see no signs the hive is slimed and have rarely seen live adult beetles in the hive, just dead ones in the trap.
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