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Book Scorpions as Varroa destructor control

Posts: 63
Location: Haut-Rhin, France
forest garden fungi rabbit
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It looks like there is no need to build little robots to delouse the bees*

Provided Chelifer cancroides also known as pseudo or book scorpions gets a place with cracks and crevices and a little protection they can form a symbiosis in the hive.
They need protection from the propolis bees that want to fill up there homes in the hive and chemicals that kill mites and other arachnids like our little helpers.

Below is a link to a research site in German. I'm happy to clarify any wording that google messes up for you. especially as only part of the article shows up in the whole page translation.

As I'm only to start beekeeping right now, I have no experience in keeping this criters together. But I will keep you posted on any experiences I make with this adorable little predators.

Has any one tried this before and wants to share his knowledge in providing habitat inside the the hive or breeding sufficient numbers outside the hive?


Found some useful links:

Setting up a species-appropriate breeding container

Handling of pseudo-scorpions

* read an article about some guy wanting to build robots to save the bees
Posts: 4328
Location: Anjou ,France
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This has been talked about for some time in beekeeping circles . At the moment there seems to be no commercial application ( has bayer nought it off ? ) but Phil Chandler over on Biobees has been suggesting sumps at the bottom of hives to provide habitat .
Me I just never clean up after the little darlings can you imagine mess with 46000 immature females in one room and as for the young men ! It does not bare thinking about .

Posts: 3738
Location: Vermont, off grid for 24 years!
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More info on creating an environment for the pseudo scorpion and a video from Phil Chandler over on this thread: https://permies.com/t/47976/bees/critters/Eco-Floor-bee-hive

I made an eco-floor for all three of my hives and they did make it thru the winter.
Posts: 67
Location: Queensland Australia
forest garden hunting bee
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Bit of info I have up about it.


While I have found them in hives before it isn't with any regularity, even when they are very common at the location. Perhaps there are certain species more likely to end up in hives and that has me wondering if some of the exotic species (to me) are found with more regularity than what I see here. Then again perhaps it is just because we don't have varroa here... Yet.
Posts: 3601
Location: woodland, washington
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there's a short video showing a beekeeper collecting and installing book scorpions here: https://freethebees.ch/blog/2019/12/02/film-buecherskorpion-honigbiene-2/
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