Newsletter

Chronic Bee Paralysis Virus

Chronic Bee Paralysis Virus (CBPV)-infected bees are characteristically ‘shiny and black’. These bees in infected hives are often found isolated, motionless and/or shaking on the top bars. When the colony is smoked they do not tend to move down between the frames as the other ‘normal’ bees do. Abdomens may also be distended and the wings […]

Read More…

Varroa Mites

Varroa destructor (Anderson and Truman) previously described as Varroa jacobsoni (Oud) is a parasitic mite of adult bees and brood. In the past hundred years or so it has become the most serious pest of Western honeybees across the globe, particularly for the European honey bee Apis mellifera which lacks natural defences to be able to deal with the mite […]

Read More…

Nosema

There are no outward symptoms of the disease. Dysentery is often seen in association with N. apis infections; this may be seen as ‘spotting’ at the hive entrance or across the frames. The dysentery is not caused by the pathogen, but as a consequence of infection and can be exacerbated during periods of prolonged confinement during inclement […]

Read More…

Amoeba Disease

The causative agent of this infection is the organism Malpighamoeba mellificae. There are no outward symptoms of the infection and a positive diagnosis of M. mellificae can only be made by microscopic examination to identify the amoebic cysts. It has been suggested that infections of M. mellificae are associated with spring dwindling, dysentery and shortening the lifespan of infected bees. […]

Read More…