just had our AGM lecture, on Varroa control and developmnets
Found it rather worrying in that several cases of Varroa that are not dropping if thymol is given at the normal tines
one hive treated with thymol crystals was dropping on 5 mites but when looked at by summer bee inspector was deemed to be "wing damagel possible high varroa" so trearted with apistan and dropped 2000 on first day
its since been ememgency treated with oxalic( despite having brrod)vand drooped anther 2000
the summer bee inspector said when asked that cases of this have been reported at St albans, North Herts, Cambridge and now us in north Barnet as resistant to thymol, and thymol patties, (the propriatory thymol gell was implied to be even worse )
one aparie 3 miles away of 20 hive was angain treated and deemed, thymol resistant, and those hive are overseen by an ex bee inspector
anyone else heard of thymol resistance varroa
Found it rather worrying in that several cases of Varroa that are not dropping if thymol is given at the normal tines
one hive treated with thymol crystals was dropping on 5 mites but when looked at by summer bee inspector was deemed to be "wing damagel possible high varroa" so trearted with apistan and dropped 2000 on first day
its since been ememgency treated with oxalic( despite having brrod)vand drooped anther 2000
the summer bee inspector said when asked that cases of this have been reported at St albans, North Herts, Cambridge and now us in north Barnet as resistant to thymol, and thymol patties, (the propriatory thymol gell was implied to be even worse )
one aparie 3 miles away of 20 hive was angain treated and deemed, thymol resistant, and those hive are overseen by an ex bee inspector
anyone else heard of thymol resistance varroa
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