Sentences with phrase «virus by these mites»

Many studies have shown that the survival of bee colonies strongly depends on the infestation with Varroa mites, widespread blood - sucking parasites, and the transmission of deformed wing virus by these mites.

Not exact matches

Maybe they are eaten by nematodes or mites, or they die because of viruses,» said Hagerty.

This concerns the transmission of the virus by the Varroa mite, the course of the infection and the viral replication in different stages of development of honey bees.

This could explain why the virus also remains present in the hives if it is not transmitted by the Varroa mite.

They concluded that viral transmission within the colony might kill both mites and bees, but they were not able to discover the virus in time to determine whether bees in the colony were infected, and they were unable to purify the virus or determine whether the virus could be transmitted to bees by inoculation.

This is because the virus is spread by bites from mosquitoes, flies, fur mites and fleas.

In the case of puppy skin pimples (see third page), conditions can be caused by puppy pyoderma (mild skin infection), puppy warts (virus), canine acne, demodex mites and puppy strangles.

Photos showed five dogs, once owned by Fay and issued health certificates by Battenfelder, that were missing paw pads, and had open wounds, ear mites and warts from what was believed to be the papilloma virus, a contagious herpes - like virus in dogs.

Or more accurately, it's the Deformed Wing Virus (DWV) that's being transmitted by these mites that's causing all the trouble.