Search Results for ‘virus’

I have a hive that died out in late fall. I’m confident that it was mites and virus. The hive dwindled with more crawling bees outside the hive every day until it just petered out. The bees left a wealth of comb, honey and pollen that I would like to put back to use on other hives. Is there...

I'm a newbie currently running two hives. Recently things started going downhill and after reading a lot on viruses I would like to find out if there is a reliable test for viruses. I heard about tests for AFB and EFB those that look like a pregnancy test, but couldn't find anything similar for...

I had a bad experience this year in one of my apiaries where I used a package of bees to boost a lack-luster hive. I put newspaper over the brood box, put on an empty box, and shook the package onto the newspaper. The bees looked terrible. Deformed ans shriveled wings everywhere, and lots of...

Construction and Rescue of a Molecular Clone of Deformed Wing Virus (DWV) European honey bees are highly important in crop pollination, increasing the value of global agricultural production by billions of dollars. Current knowledge about virulence and pathogenicity of Deformed wing virus...

Honey Bee Viruses in Wild Bees: Viral Prevalence, Loads, and Experimental Inoculation Evidence of inter-species pathogen transmission from managed to wild bees has sparked concern that emerging diseases could be causing or exacerbating wild bee declines. While some pathogens, like RNA viruses...

Parasites and Pathogens of the Honeybee (Apis mellifera) and Their Influence on Inter-Colonial Transmission Pathogens and parasites may facilitate their transmission by manipulating host behavior. Honeybee pathogens and pests need to be transferred from one colony to another if they are to...

Codon Optimization, Expression in Escherichia coli, and Immunogenicity of Recombinant Chinese Sacbrood Virus (CSBV) Structural Proteins VP1, VP2, and VP3 Chinese sacbrood virus (CSBV) is a small RNA virus family belonging to the genus Iflavirus that causes larval death, and even the collapse of...

Transcriptome Analysis of Bombyx mori Larval Midgut during Persistent and Pathogenic Cytoplasmic Polyhedrosis Virus Infection Many insects can be persistently infected with viruses but do not show any obvious adverse effects with respect to physiology, development or reproduction. Here, Bombyx...

Lower Virus Infections in Varroa destructor-Infested and Uninfested Brood and Adult Honey Bees (Apis mellifera) of a Low Mite Population Growth Colony Compared to a High Mite Population Growth Colony A comparison was made of the prevalence and relative quantification of deformed wing virus...

Infectivity of DWV Associated to Flower Pollen: Experimental Evidence of a Horizontal Transmission Route Deformed wing virus (DWV) is a honeybee pathogen whose presence is generally associated with infestation of the colony by the mite Varroa destructor, leading to the onset of infections...

Parasite Pressures on Feral Honey Bees (Apis mellifera sp.) Feral honey bee populations have been reported to be in decline due to the spread of Varroa destructor, an ectoparasitic mite that when left uncontrolled leads to virus build-up and colony death. While pests and diseases are known...

Quantitative Virus Dynamics in Honeybee (Apis mellifera L.) Colonies along a New Expansion Front of the Parasite Varroa destructor Over the past fifty years, annual honeybee (Apis mellifera) colony losses have been steadily increasing worldwide. These losses have occurred in parallel with the...

Assembly of Recombinant Israeli Acute Paralysis Virus Capsids The dicistrovirus Israeli Acute Paralysis Virus (IAPV) has been implicated in the worldwide decline of honey bees. Studies of IAPV and many other bee viruses in pure culture are restricted by available isolates and permissive cell...

A Virulent Strain of Deformed Wing Virus (DWV) of Honeybees (Apis mellifera) Prevails after Varroa destructor-Mediated, or In Vitro, Transmission The globally distributed ectoparasite Varroa destructor is a vector for viral pathogens of the Western honeybee (Apis mellifera), in particular the...

We just rescued a swarm from a chicken feed storage box in a neighbors backyard--this is not our first removal, and nothing seemed out of the ordinary. Since we got them home, though, none of them are flying. They fall from the landing board, tons of them writhing in the grass, and the fall...

Increased Tolerance and Resistance to Virus Infections: A Possible Factor in the Survival of Varroa destructor-Resistant Honey Bees (Apis mellifera) The honey bee ectoparasitic mite, Varroa destructor, has a world-wide distribution and inflicts more damage than all other known apicultural...

Inactivation of Pathogenic Viruses by Plant-Derived Tannins: Strong Effects of Extracts from Persimmon (Diospyros kaki) on a Broad Range of Viruses Tannins, plant-derived polyphenols and other related compounds, have been utilized for a long time in many fields such as the food industry and...

Viral Infection Affects Sucrose Responsiveness and Homing Ability of Forager Honey Bees, Apis mellifera L. Honey bee health is mainly affected by Varroa destructor, viruses, Nosema spp., pesticide residues and poor nutrition. Interactions between these proposed factors may be responsible for...

Non-Specific dsRNA-Mediated Antiviral Response in the Honey Bee Honey bees are essential pollinators of numerous agricultural crops. Since 2006, honey bee populations have suffered considerable annual losses that are partially attributed to Colony Collapse Disorder (CCD). CCD is an unexplained...

Sequence Recombination and Conservation of Varroa destructor Virus-1 and Deformed Wing Virus in Field Collected Honey Bees (Apis mellifera) In areas where V. destructor is established, virus recombination occurs and chimeric viruses between DWV and the Varroa destructor virus-1 (VDV1) [8-10]...