Surprisingly, from the 5th of February to the
6th of April 2023, no infestation was detected on
either brood or adult bees, even though bee brood
and gravid female mites were present in January
2023. The first infestation of brood was found again
on the 20th of April 2023 in 10 out of 50 colonies.
These observations suggest that the mites may have
either left the hives or hibernated somewhere in the
hives thereby escaping diagnostics. It should be
noted that T. clareae was described for the first time
on rats nesting near hives, suggesting that these
mites might be not honey bee specific.

PLB

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