Randy writes:

These bees must
have gotten into some really "hot" spots for IMD, since typical nectar or
pollen residues are only in the order of a very few ppb.

Quote:

What is known, is that the contaminated bees were from apiaries located in
Argolida and Messinia (Peloponnesus), prior to transportation to fir
forests at Mt. Mainalo. Bees foraging in these regions were likely
exposed to imidacloprid and other insecticides which are widely
applied to olive, citrus and fruit cultivations in Greece.

PLB

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