Good, Im glad to see someone has possibly found a way to kill mites as good as apistan, without the chemicals. I wonder if you can use when supers are on? would the fungus affect the honey in any way??
My first instinct would be to think that since MA is an insecticide, and bees are insects, it would be detrimental to their health. I for one would have never thought to expose my herd of insects to an "insecticide" to kill the insects preying upon them. Though they have done studies on honeybees to make sure they are not effected by residual spray, since (Meta-rise-e-um Ana-sof-a-Lee)-MA has been used for quite a while for control of aphids and hornworms on tobacco crops as well as other crops that are being pollinated by honeybees.
I for one see this as a very positive step in the direction of eradication of these mites, and hopefully SHB as well.
I wonder if that is the same thing that wipes out gypsy moths when they become overpopulated in an area. If it is I can tell you it is almost magically effective. We battled an infestation in Ohio about five or six years back. The population grew and grew, until it looked like all our white oaks were doomed despite our best efforts. Then all of a sudden one day all the little gypsy caterpillars just miraculously turned into nasty fuzzy looking balls of goo. It was like someone fliped a switch. A naturalist friend said it was a natural fungus that did it.
Man this is great news indeed! Once the fungus is introduced into the hive I believe it will just keep living inside the hive, on the supper walls, on the frames, and reinfect any mites that come into contact with it. I know by using CERTAIN (spelling?) to curb wax moth I have not had problems with frames for years. I hope this works just as good. Thanks again for the heads up.
Make sure you all follow the first link and then click on the picture of the bee with the mite on it. Then follow the link for a high resolution image of the bee... it is the largest photo I've ever seen of a bee! You can actually see the hairs on the mite, it is so big. Wow.
There are lots more bug pictures on the website if you follow the link on the left menu bar.
~ ~ ~ ~ ~ ~ ~
"Beekeeping... is NOT an exact science."
Certan and the gypsy moth treatment use the same fungus. I think it's "Bacillus Therengienis". (That's close.) In tablet form it is used in ponds to kill mousquito larvae. Very common in agriculture.It, like other fungi, is found in nature.
The new treatment sounds like an old treament put to a new use.
I heard here, a company Medivet somewhere in the states made already test metarhizium and give up. The fungus can kill bee larva and pupas like the mites and is hard to remove from the hive parts. Its like walking on a razorblade; Im interested to see the result from the US.
Well i am a graduete student of argiculture and my graduete task is called "Alternative methods for controling Varroa Destructor".
I have serached whole internet and menu books and articles about it and this thing about "Metarhizium Anisopliae" is the best suprise. Tomorow I will go to universety to ask my profesors of microbiology, enthomology and fitopathology about this fungi and posible influence on bees and men.
I hope this is final solution and if there is no influence on peoples helth I will look in to it to start a production.
Please submit here links for articles or publications about this kind of research, thanks.
> I heard here, a company Medivet somewhere
> in the states
They are in Canada.
> The fungus can kill bee larva and pupas
This is completely false
This has never been seen in any of the lab
tests or field trials to date. (There may
well be a fungus that kills bees and brood,
but I've not heard of any strain of this
fungus that will even grow on a dead bee.)
> and is hard to remove from the hive parts.
No "removal" is needed, as the fungus only
grows on the shells of varroa and other
hard-shelled insects. It certainly does NOT
grow like mold on hive components.
> Im interested to see the result from the
The appropriate papers are by Dr. James and
Dr. Kanga of USDA. Researchers in the UK
are working along the same lines, but I
don't know what they have published.
Who told you this bogus stuff?
[This message has been edited by jfischer (edited November 14, 2004).]
Bob Cox, a researcher at Weslaco Bee Lab, mentioned that they had not tested M.A. yet in a hive with brood. He also said that the researcher that started research on M.A. had been transferred so I don't know if it will be continued at Weslaco or another lab. I thought he would have been real excited about M.A. but he seemed more encouraged about some of the other new products that will be coming on line at some time. Oxcilic (sp?) acid he thought was very effective and easy to apply.
A forum community dedicated to beekeeping, bee owners and enthusiasts. Come join the discussion about breeding, honey production, health, behavior, hives, housing, adopting, care, classifieds, and more!