> I consider them beneficial whether trachael mites or varroa mites, aka for both, ....vagans and external head,neck,back mites that do a good service grooming and keeping my bees clean and actually healthier

I think that you are probably the one and only person on the planet that regards varroa and tracheal mites as beneficial, but I have no idea where you got the idea that mites groom bees. Varroa mites suck the hemolymph, tracheal mites clog the breathing tubes, and nosema fills their guts with spores. Imagine being covered with ticks, lice in your lungs, and your guts filled with amoebas. Feeling better now?

PLB

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