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The Varroa mite

A deadly and dangerous bee parasite

The following picture and text material is available for download. Feel free to use it, e.g. for your Varroa training courses. In case you would like to give any feedback or have a question, send it to beecare@bayer.com

Please be aware that using or forwarding the material for commercial use is forbidden.
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Varroa

Varroa mite attached to adult bee showing symptoms of deformed wing virus (DWV)


Varroa

Varroa mites at various development stages in a bee colony brood comb


Mite Migration

The Varroa mite originated in Asia, but has since spread towards the west and now threatens the Western honey bee almost all over the planet. Only Australia has managed to keep the parasite at bay to date.


Body structure:

idiosoma (main body region) and gnathosoma (mouth and feeding parts). The mite has four pairs of legs and piercing and sucking mouthparts.


The hairs on the top and bottom of the mite’s body enable it to cling to the honey bee.


The parasite feeds on the hemolymph of both adult bees and their brood.


Female Varroa mite top right and male bottom left, below.


Varroa mite development stages


Varroa population development


Honey Bee Viruses (PDF)


Spread of the Varroa mite


Hanging a Varroa mite control strip between the combs in a beehive


Varroa diagnosis (PDF):

Vor- und Nachteile verschiedener Diagnosemöglichkeiten


Varroa gate model

Model from Bayer


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