Virus And Fungus Are New Suspects In Colony Collapse Disorder

According to new research, two pathogens — a virus and a fungus — were found in samples collected from hives affected by colony collapse disorder (CCD). These two pathogens, however, were not found in colonies that were not affected by the syndrome.

“We truly don’t know if these two pathogens cause CCD or whether the colonies with CCD are more likely to succumb to these two pathogens,” said Jerry J. Bromenshenk of the University of Montana.

The research found that the suspect virus is something called insect iridescent virus, similar to a virus first found 20 years ago in India, and also found in moths. The virus affects bees’ abdomens, turning their tissues bluish-green or purple in color. The fungus that has been found, Nosema ceranae, sickens bees when the spores are ingested.

“There seems to be a correlation between the presence of these two pathogens together,” said Robert Cramer, a pathologist at Montana Sate University. “We envision the bee gets an infection from one or the other, and this causes the bees to become stressed, which then allows the second infection to come in and more effectively cause disease.”

The study was conducted at the Army’s Edgewood Chemical Biological Center at Aberdeen Proving Grounds in Maryland.

Source: Associated Press

Leave a Reply

4 comments on “Virus And Fungus Are New Suspects In Colony Collapse Disorder

  1. it wold be prudent to wait longer for a clearer understanding of the process of these virus in hive behavior, just because these two virus are present in CCD hives it would be premature to suggest they are root cause by themselves, why they cause a hive that appears normal in daily routine to become skewed and leave without honey removal or normal swarm process needs to be explained to aid beekeepers in the defense of development of this disorder.

  2. it wold be prudent to wait longer for a clearer understanding of the process of these virus in hive behavior, just because these two virus are present in CCD hives it would be premature to suggest they are root cause by themselves, why they cause a hive that appears normal in daily routine to become skewed and leave without honey removal or normal swarm process needs to be explained to aid beekeepers in the defense of development of this disorder.

Featured Stories
Apples & Pears
June 23, 2017
Take Advantage of Technology to Help Manage Diseases, Pest Pressure
Expert farm advisers provide several options for apple orchard management decisions. Read More
Mobile technology farming
Citrus
June 22, 2017
Technology Boom Boosting Farm Life to a New Level [Opinion]
Whether it is human genetics or genetics applied to plants, knowledge is growing at a dizzying pace. Read More
Crop Protection
June 21, 2017
Certis Bolsters Biopesticide Business Portfolio with Acquisition
Addition of LAM International to allow for expansion of product development. Read More
Food Safety
June 21, 2017
Organization Seeks Winegrape Exemption Produce Safety Rule
California Association of Winegrape Growers says because winegrapes are grown for processing, they should be exempt from produce safety rule. Read More
Crop Protection
June 21, 2017
Early-Season Scouting Tips for Sweet Corn Growers
Black cutworm and true armyworm have been caught in relatively high numbers across the Midwest, including Michigan. Learn more about determining risk and scouting in your sweet corn plantings. Read More
honeybee with varroa mite
Citrus
June 21, 2017
Study Suggests Modern Beekeeping Gives Varroa Mites Ideal Conditions to Spread
Parasite has adapted, thrived with colonies in modern hives. Read More
More Vegetables
June 21, 2017
Variety Specs | Production Tips: Pumpkin ‘Bayhorse Gold’ from Rupp Seeds
Each month, American Vegetable Grower® will offer growing tips on specific varieties, supplied by the breeder or distributor. This month, Read More
Citrus
June 21, 2017
Storm Runoff May Recharge Aquifers and Your Crops
A new study hints that tapping into storm water during dry years does more than increase water table levels. Read More
Citrus greening and psyllids
Insect & Disease Update
June 21, 2017
First Case of Deadly Citrus Disease Confirmed in Alabama
State agriculture officials taking action to assess and stop the spread of HLB.  Read More
Florida orange juice label close-up
Citrus
June 21, 2017
Help Consumers Read past Negative Headlines About Orange Juice
When it comes to this liquid sunshine, there are plenty of positives to point out. Read More
Cucurbit leaf crumple virus
Cucurbits
June 20, 2017
Take Caution to Curb Cucurbit Leaf Crumple Virus
Learn how to identify, the survival and spread, as well as management methods for this disease. Read More
Berries
June 20, 2017
Don’t Be Fooled By Rust in Your Brambles
Knowing whether you have orange rust disease or cane leaf rust is important for proper control methods. Read More
Up-close shot of a hops plant during the 2016 Florida Ag Expo
Farm Management
June 20, 2017
5 Alternative Crops Florida Farmers Should Consider
Here’s a look at new selections being vetted that might have a place in fields around the Sunshine State. Read More
Citrus
June 19, 2017
$9M in Grants Allocated to Address Ag Water Resources Issues
Projects that focus on drought stress, flooding, water quality, and postharvest use are among awardees. Read More
Citrus under protective screen
Citrus
June 19, 2017
How to Get the Most out of Growing Citrus Under Protective Screen
2017 Citrus Achievement Award winner Ed Pines provides insider information on unique production method. Read More
The Latest
Apples & Pears
June 23, 2017
Take Advantage of Technology to Help Man…
Expert farm advisers provide several options for apple orchard management decisions. Read More
Citrus
June 22, 2017
Technology Boom Boosting Farm Life to a …
Whether it is human genetics or genetics applied to plants, knowledge is growing at a dizzying pace. Read More
Crop Protection
June 21, 2017
Certis Bolsters Biopesticide Business Po…
Addition of LAM International to allow for expansion of product development. Read More
Food Safety
June 21, 2017
Organization Seeks Winegrape Exemption P…
California Association of Winegrape Growers says because winegrapes are grown for processing, they should be exempt from produce safety rule. Read More
Crop Protection
June 21, 2017
Early-Season Scouting Tips for Sweet Cor…
Black cutworm and true armyworm have been caught in relatively high numbers across the Midwest, including Michigan. Learn more about determining risk and scouting in your sweet corn plantings. Read More
Citrus
June 21, 2017
Study Suggests Modern Beekeeping Gives V…
Parasite has adapted, thrived with colonies in modern hives. Read More
More Vegetables
June 21, 2017
Variety Specs | Production Tips: Pumpkin…
Each month, American Vegetable Grower® will offer growing tips on specific varieties, supplied by the breeder or distributor. This month, Read More
Citrus
June 21, 2017
Storm Runoff May Recharge Aquifers and Y…
A new study hints that tapping into storm water during dry years does more than increase water table levels. Read More
Insect & Disease Update
June 21, 2017
First Case of Deadly Citrus Disease Conf…
State agriculture officials taking action to assess and stop the spread of HLB.  Read More
Citrus
June 21, 2017
Help Consumers Read past Negative Headli…
When it comes to this liquid sunshine, there are plenty of positives to point out. Read More
Cucurbits
June 20, 2017
Take Caution to Curb Cucurbit Leaf Crump…
Learn how to identify, the survival and spread, as well as management methods for this disease. Read More
Berries
June 20, 2017
Don’t Be Fooled By Rust in Your Brambles
Knowing whether you have orange rust disease or cane leaf rust is important for proper control methods. Read More
Farm Management
June 20, 2017
5 Alternative Crops Florida Farmers Shou…
Here’s a look at new selections being vetted that might have a place in fields around the Sunshine State. Read More
Citrus
June 19, 2017
$9M in Grants Allocated to Address Ag Wa…
Projects that focus on drought stress, flooding, water quality, and postharvest use are among awardees. Read More
Citrus
June 19, 2017
How to Get the Most out of Growing Citru…
2017 Citrus Achievement Award winner Ed Pines provides insider information on unique production method. Read More
Varieties & Rootstocks
June 19, 2017
Florida Growers Seeking to Strike Citrus…
Varieties showing HLB tolerance giving growers hope, sparking more questions. Read More
Apples & Pears
June 19, 2017
Bee-ware: New Resources Released for Nat…
New videos, webinars available during week-long observance. Read More
Stone Fruit
June 17, 2017
Keep an Eye out for Peach Leaf Curl
Follow these tips to prevent the disease next year. Read More