I have had this blog for some years now. And I had originally a website in both English and Swedish for many years, which were also not updated for many years. 1.5 years ago or so I updated the English
Bees grooming, shaking and biting mite
Already in 2002 Sven-Olof Ohlsson in Munsala Finland filmed bees grooming, shaking and biting mites. I have published two of his video clips on YouTube for him. You can see one here where the the mite had attached fast between
The Bee Shaker – where to take the sample
It has been discussed where to take the bees when making the test for infestation level of Varroa mites with the Bee Shaker. From a brood frame or just near the brood. The first week of May, I did a
Varroa resistant worker bees
Magnus was a beekeeper in his youth in western Sweden. He quit in 1996 but started again in 2013 with his wife Ulrika. Then they bought from an older beekeepers a pavilion with seven bee colonies, most of which were
Treatment select for increased reproduction rate
Varroa mites multiply in bee larvae. After they come out of the cell when the bee is fully formed, they sit on the adult bees and suck hemolymph. It was observed many years ago that during the brood period of the
The bee shaker and varroa resistance
One mite from 300 bees. I understand that sometimes it’s a good idea to get an idea of the infestation level of varroa mites in bee colonies. You can take samples from a couple of colonies in an apiary to
Changing plans
I make notes. I’m sure you do to. How much is a good question. I made more notes as a beginner and quite some years after that. When I got well above hundred hives I began to question each kind
Varroa defecation and pupa remains
I’m checking my, as I think, most promising colonies for the VSH trait. (http://www.elgon.es/diary/?p=146) After dragging out more than 1000 pupae I have learned a lot about analyzing what I see. But I understand it’s more to learn. And I’m
Jante and The Involuntary Adviser
“It is better to listen to a string, which burst, than never to span an arc.” Verner von Heidenstam (Swedish poet), 1902, Invocation and Pledge Jante verbalize the unwritten law that says that you can not stand up and
Oxalic side effects
Oxalic acid has been used for many years in Europe to kill Varroa mites in bee colonies. Recently it has been approved for use in USA. Photo: Anders Berg When choosing between strategies against this mite it’s good to know