LOVE THE HONEY BEES
This blog is dedicated to providing information about the honey bee. We celebrate the honey bee through "An Evening in Honor of the Sacred Honey Bee" with traditional Bulgarian bee rituals, songs, music, poetry and dance.
Our second "Evening..." was held August 15, 2009 at Pt. Reyes Dance Palace, in celebration of the first National Honey Bee Awareness Day. Pictured are Gradina Balkan Music Ensemble: http://www.traditionalfun.org/gradina_about.html
Sacred Honey Bee Evening video clip, CLICK ON THE PHOTO TO VIEW
Click on this photo for a video of "Evening in Honor of the Sacred Honey Bee". Photo by Daniel Bahmani
By Phil Chandler
Friends of the Bees
The French Minister of Agriculture has announced his intention to ban Syngenta’s pesticide ‘Cruiser’ from the French market in a few weeks time; ‘Cruiser’ is largely used on oilseed rape and contains the neonicotinoid ‘Thiamethoxam’, which recent studies in ‘Science’ have revealed to be harmful to bees ability to forage and navigate.
Other studies have revealed that this pesticide affects bumblebees and other pollinators in a similar harmful manner.
Thiamethoxam was used on over 736,000 acres of crops in the UK in 2010.
Here are the most recent figures for Thiamethoxam in the UK (2010) – as you will see, the usage increased TENFOLD from 2009 to 2010. It stood at 298,000 hectares – or 736,000 acres in 2010. We do not know what the usage was for 2011 but presumably if the rate of increase is sustained it could well be over a million hectares now?
THIAMETHOXAM USAGE IN THE UK
Year Region Crop Group Active Substance Total Area Treated (ha) Total Weight Applied (kg)
2010 Great Britain All Crops Thiamethoxam 298,007 9,105
2009 Great Britain All Crops Thiamethoxam 22,567 938
2008 Great Britain All Crops Thiamethoxam 21,909 940
2007 Great Britain All Crops Thiamethoxam 1,333 5.6
2006 Great Britain All Crops Thiamethoxam 1,213 5.4
2005 Great Britain All Crops Thiamethoxam 1,213 5.4
Given that the French are about to ban this dangerous neonicotinoid, how long before DEFRA and the other regulators here in the UK follow suit?
How long before the British Bee Keepers Association calls for a ban? Or will they do their usual trick of leaping to the defense of the pesticide industry?
The decision was based on a report from French health and safety agency ANSES, which went along with recent scientific findings suggesting that a sub-lethal dose of thiamethoxam, a molecule contained in Cruiser, made bees more likely to lose their way and die….
The French ban on the pesticide will take effect before the start of the next rapeseed sowing campaign in late summer, a farm ministry official said, stressing that it would not affect versions of Cruiser used for other crops such as maize (corn)….
In a separate opinion published on Friday, the European Food Safety Authority said doses of neonicotinoids tested in the bee research were above the highest residue levels actually recorded in plant nectar, adding that more studies were needed to evaluate exposure in different field situations.
Dave Goulson of Stirling University in Scotland, who led another recent study on risks to bees from neonicotinoids, said there was growing evidence that these chemicals may play a role.
“It would be massively oversimplifying to say that these chemicals are the only cause of bee decline, although it is clear they are a part of the problem,” he told Reuters.
June 04, 2012
Following research linking neonicotinoid pesticides to the decline in bee populations, France has announced it plans to ban Cruiser OSR, an insecticide produced by Sygenta. Recent studies, including one in France, have shown that neonicotinoid pesticides likely hurt bees' ability to navigate, potentially devastating hives. France has said it will give Sygenta two weeks to prove the pesticide is not linked to the bee decline, known as Colony Collapse Disorder (CCD).
France's decision comes after its National Agency for Food, Safety, and the Environment (ANSES) confirmed the findings of two recent studies published in Science. The two studies found that neonicotinoid pesticides, although not immediately lethal, likely hurt bee colonies over a period of time.
In the French study, researchers glued tiny microchips to free-ranging honeybees and then administered small doses of thiamethoxam, a primary ingredient in Sygenta's Cruiser OSR to some of the bees. Bees exposed to the pesticide were two to three times more likely not to return from foraging trips, allowing researchers to hypothesize that the pesticide impairs the bee's ability to navigate its surroundings successfully.
Because neonicotinoid pesticides work by impacting insects' central nervous systems, they have long been a target for researchers trying to understand Colony Collapse Disorder, but the difficulty has been proving that pesticides harm hives even though they don't kill bees outright.
However, Sygenta denies that their pesticides have played any role whatsoever in the bee collapse.
"All Syngenta’s crop protection products are thoroughly tested to ensure that there are no unwanted effects on beneficial insects such as bees or excessive residues in food or risks to human health," the company says on its website.
The French government disagrees and has stated it would also raise the question of a ban on the pesticide for the entire European Union (UN).
Evidence of harm piling up
Despite Sygenta's statements, studies continue to appear that find a link between neonicotinoid pesticides and Colony Collapse Disorder. Recently, researchers in the U.S. fed tiny doses of neonicotinoid pesticide-laced high-fructose corn syrup, which is commonly used to feed bees, to 16 hives in the field and left four hives untreated. For months all the hives remained healthy, but after around six months over 90 percent (15 out of 16) of the hives fed with the pesticidal corn syrup had collapsed, while the four control hives remained healthy.
"There is no question that neonicotinoids put a huge stress on the survival of honey bees in the environment," lead author Chensheng (Alex) Lu, an associate professor at the HSPH, told mongabay.com.
Meanwhile another U.S. study published last month in the Journal of Experimental Biology, found that bees hit by neonicotinoid pesticides underwent behavioral changes. Exposed bees only fed on very sweet nectar, ultimately limiting their feeding choices. In addition the bees ability to communicate was injured.
Foraging bees communicate via 'waggle dances' whereby they show the hive where to find food sources. But says lead author Daren Eiri, "Remarkably, bees that fed on the pesticide reduced the number of their waggle dances between fourfold and tenfold. And in some cases, the affected bees stopped dancing completely."
Scientists first started recording alarming declines in bees in North America in 2006. Shortly thereafter similar declines occurred throughout Europe, and have also been noted in Taiwan. While periodic colony collapses have been recorded since the 19th Century, the current crisis has proven much worst than past ones with some producers losing 90 percent of their hives. A number of theories for the collapse have been posited, including disease, parasitic mites, habitat loss, and, of course, pesticides. Many researchers have suggested a combination of these factors.
Chensheng Lu, Kenneth M. Warchol, Richard A. Callahan. In situ replication of honey bee colony collapse disorder. Bulletin of Insectology. 2012.
D. M. Eiri, J. C. Nieh. A nicotinic acetylcholine receptor agonist affects honey bee sucrose responsiveness and decreases waggle dancing. Journal of Experimental Biology, 2012; 215 (12): 2022 DOI: 10.1242/jeb.068718.
M. Henry; O. Rollin; J. Aptel; S. Tchamitchian; M. Beguin; F. Requier; O. Rollin; A. Decourtye. A Common Pesticide Decreases Foraging Success and Survival in Honey Bees. Science. 2012.
P.R. Whitehorn; S. O’Connor; D. Goulson; F.L. Wackers. Neonicotinoid Pesticide Reduces Bumble Bee Colony Growth and Queen Production. Science. 2012.
Researchers recreate bee collapse with pesticide-laced corn syrup
(04/05/2012) Scientists with the Harvard School of Public Health (HSPH) have re-created the mysterious Colony Collapse Disorder in several honeybee hives simply by giving them small doses of a popular pesticide, imidacloprid. Bee populations have been dying mysteriously throughout North America and Europe since 2006, but the cause behind the decline, known as Colony Collapse Disorder, has eluded scientists. However, coming on the heels of two studies published last week in Science that linked bee declines to neonicotinoid pesticides, of which imidacloprid is one, the new study adds more evidence that the major player behind Colony Collapse Disorder is not disease, or mites, but pesticides that began to be widely used in the 1990s.
Smoking gun for bee collapse? popular pesticides
(03/29/2012) Commonly used pesticides may be a primary driver of the collapsing bee populations, finds two new studies in Science. The studies, one focused on honeybees and the other on bumblebees, found that even small doses of these pesticides, which target insect's central nervous system, impact bee behavior and, ultimately, their survival. The studies may have far-reaching repercussions for the regulation of agricultural chemicals, known as neonicotinoid insecticides, that have been in use since the 1990s.
The value of the little guy, an interview with Tyler Prize-winning entomologist May Berenbaum
(04/06/2011) May Berenbaum knows a thing or two about insects: in recognition of her lifelong work on the interactions between insects and plants, she has had a character on The X-Files named after her, received the Public Understanding of Science and Technology Award for her work in making science accessible to the public, and this year has been awarded the prestigious Tyler Environmental Prize. "Winning the Tyler Prize is an incredible honor—most of my scientific heroes have been Tyler Prize winners and I’m exceedingly grateful to be considered worthy of being included among their ranks," Berenbaum told mongabay.com in an interview. "The Prize is also tremendously enabling—because the money is unrestricted I can use it to carry out projects that have been difficult to fund."