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I only put those entrance reducers on after the bees are getting winterized. They would strip pollen if the bees were foraging. As long as they are active they do their own pest control.@crofter have you seen the bees lose pollen from the entrance reducer design you show in that photograph?
A couple of my colonies have obvious signs of shrew damage. Headless bees, piles of chewed up bees. It's definitely a shrew.
I've removed the 1/2 inch mesh, that's obviously not small enough to stop the shrews.
One of the colonies is bleeding headless bees...
if they want in there is no way to stop them (death to the intruder !!!) I use bucket traps I lost 14 hives to mice one yearI only put those entrance reducers on after the bees are getting winterized. They would strip pollen if the bees were foraging. As long as they are active they do their own pest control.
There are some larger shrews too but we seem to have the little devils.
One sure way, is to use a mouse guard, or make your own from sheetrock edging.if they want in there is no way to stop them (death to the intruder !!!) I use bucket traps I lost 14 hives to mice one year
i have metal mouse guards but the hive is woodOne sure way, is to use a mouse guard, or make your own from sheetrock edging.
Mine tooi have metal mouse guards but the hive is wood
I use Apimaye poly hives & they'd break their teeth trying to get in.Mine too, or you suggesting that they are eating through your boxes?