Colony Collapse

Varroidae

Bees

Nosema

Dicistroviridae

Colony collapse disorder

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Pesticide

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Honey bee

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Lesser wax moth

Beekeeping

List of diseases of the honey bee

Seeds of Diversity

Pollination

Neonicotinoid

Bacillus thuringiensis

Beekeeping in New Zealand

Holocene extinction

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2008 German beekill incident

Jaenimonas drosophilae

Pollinator decline

Nosema apis

Health effects of pesticides

Stefanie Zadravec

Western honey bee

Bee

Disorder23

• Colony collapse disorder (CCD) is an abnormal phenomenon that occurs when the majority of worker bees in a honey bee colony disappear, leaving behind a queen, plenty of food, and a few nurse bees to care for the remaining immature bees. (wikipedia.org)
• While such disappearances have occurred sporadically throughout the history of apiculture, and have been known by various names (including disappearing disease, spring dwindle, May disease, autumn collapse, and fall dwindle disease), the syndrome was renamed colony collapse disorder in early 2007 in conjunction with a drastic rise in reports of disappearances of western honey bee (Apis mellifera) colonies in North America. (wikipedia.org)
• Colony collapse disorder could cause significant economic losses because many agricultural crops worldwide depend on pollination by western honey bees. (wikipedia.org)
• However, in late 2006 and early 2007, the rate of attrition was alleged to have reached new proportions,[citation needed] and people began to use the term colony collapse disorder to describe the sudden rash of disappearances (or sometimes spontaneous hive collapse or the Mary Celeste syndrome in the United Kingdom). (wikipedia.org)
• Writing in the April issue of the journal Environmental Microbiology Reports, the researchers said the report is the first linking Nosema ceranae infection to Colony Collapse Disorder, which is called Honey Bee Colony Depopulation Syndrome in Europe. (cbc.ca)
• But it is not normally associated with Colony Collapse Disorder, which has puzzled scientists and beekeepers alike since it was first discovered in 2004. (cbc.ca)
• Finding a cause for collapsing honeybee colonies has been a mission for entomologists and apiarists worldwide since the disorder was first diagnosed in 2004. (cbc.ca)
• What Causes Colony Collapse Disorder? (wonderopolis.org)
• One main cause of this is Colony Collapse Disorder (CCD). (wonderopolis.org)
• The authors, led by Alex Lu, associate professor of environmental exposure biology in the Department of Environmental Health, write that the new research provides "convincing evidence" of the link between imidacloprid and the phenomenon known as Colony Collapse Disorder (CCD), in which adult bees abandon their hives. (world.edu)
• SAN FRANCISCO and WASHINGTON, Dec. 8, 2010 /PRNewswire-USNewswire/ -- Beekeepers and environmentalists today called on EPA to remove a pesticide linked to Colony Collapse Disorder (CCD), citing a leaked EPA memo that discloses a critically flawed scientific support study. (bijensterfte.nl)
• In the absence of a single factor cause, this was named Colony Collapse Disorder based on a rapid loss of adult worker bees from managed hives. (pesttracker.org)
• Dead Bee,' Tradigital NFT Artwork, speaks to Colony Collapse Disorder and the dying off of the bee population worldwide. (edwardaburke.net)
• The lack of protein in this vital food source for honey bees has reduced their reproduction ability, a significant factor in Colony Collapse Disorder. (edwardaburke.net)
• Colony Collapse Disorder: Why Are Bees Dying? (nrdc.org)
• To stay up to date on CCD, be sure to check in with Penn State University's Colony Collapse Disorder Working Group , which seems to be at the center of research efforts. (foreignpolicy.com)
• Bees A phenomenon called Colony Collapse Disorder (CCD) is destroying bee colonies worldwide. (mindfuel.ca)
• Colony Collapse Disorder in relation to human-produced toxins: What's the buzz all about? (rug.nl)
• Colony Collapse Disorder (CCD), which causes the almost all the worker bees to abandon a seemingly healthy and food rich hive during the winter. (rug.nl)
• Now the bizarre syndrome, which researchers have dubbed "Colony Collapse Disorder" has spread to nearly half the states and is responsible for killing as many as 90 percent of the hives in some places. (loe.org)
• CURWOOD: So now this colony collapse disorder, ah, I gather the first case of this was found in Florida last fall. (loe.org)
• CURWOOD: So, we were looking at some laboratory results from some researchers who have been studying this colony collapse disorder and it looks like they were finding some very high levels of bacteria, viruses, fungi in the guts of the bees. (loe.org)
• neonicotinoids have received increased scrutiny because they may adversely affect pollinators and are linked to colony collapse disorder in bees (Hladik et al. (cdc.gov)

Honeybee colonies6

• Spanish researchers say they have identified and were able to remove a parasite they believe is behind the collapse of honeybee colonies in Europe, but it remains unclear whether their findings are applicable to the disappearances of colonies in North America. (cbc.ca)
• The likely culprit in sharp worldwide declines in honeybee colonies since 2006 is imidacloprid, one of the most widely used pesticides, according to a new study from the Harvard School of Public Health (HSPH). (world.edu)
• U.S. agriculture employs nearly 3 million honeybee colonies every year. (pesttracker.org)
• HAYES: Yes, and all these are normal organisms that are associated with honeybee colonies. (loe.org)
• In recent years, honeybee colonies have been experiencing “Colony Collapse Disorder†(CCD). (thenursingtermpaper.com)
• Many causes for the collapse of honeybee colonies are currently being investigated. (thenursingtermpaper.com)

Bees18

• The Nosema strain they have there on bees is fairly virulent and can cause collapse of colonies but within North America, the strain we have here may be different,' he told CBC News. (cbc.ca)
• Some colonies lost 30-90 percent of their bees. (wonderopolis.org)
• When a colony goes through CCD, most of its worker bees disappear. (wonderopolis.org)
• They also think bees may leave their colonies due to poor nutrition . (wonderopolis.org)
• The sudden disappearance of all the worker bees from a colony, leaving a queen, a few nurse bees and the immature brood, is what characterizes colony collapse. (earth.com)
• The colony cannot survive without the worker bees, and so it will die off in time. (earth.com)
• Honey bees are vital pollinators for more than 100 species of crops in the United States, and the widespread loss of honey bee colonies is increasingly concerning," said Luca Insolia, first author of the study, a visiting graduate student in the Department of Statistics at Penn State at the time of the research, and currently a postdoctoral researcher at the University of Geneva in Switzerland. (earth.com)
• Colony loss was also related to the presence of parasitic mites, Varroa destructor , which reproduce in honey bee colonies, weaken the bees, and potentially expose them to viruses. (earth.com)
• When other conditions cause hive collapse - such as disease or pests - many dead bees are typically found inside and outside the affected hives. (world.edu)
• Strikingly, said Lu, it took only low levels of imidacloprid to cause hive collapse - less than what is typically used in crops or in areas where bees forage. (world.edu)
• Our bees are living for 30 days instead of 42, nursing bees are having to forage because there aren't enough foragers and at a certain point a colony just doesn't have the critical mass to keep going. (bijensterfte.nl)
• All of that said, a researcher in a recent Zoom session noted that if the virus load gets above a certain point due to a high mite load (he defined that as viruses adversely affecting more than 10% of the population of bees), the colony could still fail even if you manage to get the mite load back down. (vermontbeekeepers.org)
• Researchers say the bees are flying off in search of pollen and nectar and simply never returning to their colonies. (davidburn.com)
• We did a study that shows when older bees die then younger bees are forced to forage and they tend to die which leads to the collapse of the colony. (tomliberman.com)
• The bees usually keep a stock of honey in their colonies for them to consume during the winter days. (buzzbeekeepingsupplies.com)
• Jerry Hayes counts the number of varroa mites (dark spots visible against white drone bees) on drone brood (young bees) pulled from a colony. (loe.org)
• HAYES: Well that's the problem the bees are leaving the colonies. (loe.org)
• The hives basically dwindle over time as bees leave the colony and, ah, don't return which is very unusual for a social insect like the honeybee because they are very colony oriented. (loe.org)

Beekeepers3

• citation needed] In the US, the number of colonies maintained by beekeepers had been in decline since the 1960s, for various reasons including urbanization, pesticide use, tracheal and Varroa mites, and commercial beekeepers retiring and going out of business. (wikipedia.org)
• Last year about 26 per cent of the more than 600,000 colonies across the country were lost over the winter, according to a June 2008 report from the Canadian Honey Council, an industry group representing both commercial and hobby beekeepers. (cbc.ca)
• The collapse of bee colonies thus poses a threat to food security and is a phenomenon that concerns beekeepers across the U.S. and worldwide. (earth.com)

Disappearances1

• For example, weather data may be available on a daily scale, but information on colony disappearances may only be collected by apiculture groups on a quarterly basis. (earth.com)

Varroa2

• In the winter of 2004-2005, a spontaneous collapse occurred and was attributed to varroa mites (the "vampire mite" scare), though this was ultimately never confirmed. (wikipedia.org)
• Nosema ceranae has been found in Canadian bee colony samples since the 1990s and has been blamed, along with traditional pests like the tracheal mite and varroa mite, for wiping out Canadian colonies in the last few years. (cbc.ca)

Disappear1

• Why would colonies disappear at this point in the fall? (vermontbeekeepers.org)

Losses2

• A well-documented outbreak of colony losses spread from the Isle of Wight to the rest of the UK in 1906. (wikipedia.org)
• While bee colony losses have continued since 2006, many people have taken an interest and have helped to start new bee colonies. (wonderopolis.org)

Queen2

• Colony size and age of queen seem to be the only difference. (vermontbeekeepers.org)
• They want to take care of the brood, the queen, so to leave the colony and not come back is highly unusual. (loe.org)

20181

• In fact, while bee colonies continued to fail in the U.S. in 2018, so many new colonies were created that the overall number actually grew by one percent. (wonderopolis.org)

Pollinators1

• There have been large-scale declines of managed honey bee colonies and wild pollinators in the United States. (pesttracker.org)

Syndrome2

• Colony collapse ( Unidentified Agent ) is a syndrome. (pesttracker.org)
• Despite the apparent importance of neutrophils in this syndrome, ARDS may develop in profoundly neutropenic patients, and infusion of granulocyte colony-stimulating factor (G-CSF) in patients with ventilator-associated pneumonia ( VAP ) does not promote its development. (medscape.com)

Researchers1

• The researchers conducted a large-scale, multi-variable analysis using publicly accessible datasets from across the contiguous U.S. In particular, they used weather data for the years 2015-2021, and combined open data on honey bee colony status and stressors, weather data, and land use, in order to understand the relationships between the disappearance of bee colonies and the various stressors. (earth.com)

Hive2

• At the end of this month these two producer colonies had died, or otherwise left the hive. (vermontbeekeepers.org)
• What's interesting is that small colonies seem to be able to survive but when put into a 10 frame hive the following spring greater numbers fail soon after fall harvest. (vermontbeekeepers.org)

Pesticides2

• A large amount of speculation has surrounded the contributions of the neonicotinoid family of pesticides to CCD, but many collapsing apiaries show no trace of neonicotinoids. (wikipedia.org)
• The research team found that several stressors impacted honey bee colony loss at the national level, including the use of pesticides nearby, frequent extreme weather events, and weather instability. (earth.com)

Stressors2

• Some previous studies have explored several potential stressors related to colony loss in a detailed way but are limited to narrow, regional areas. (earth.com)
• For this study, we integrated many large datasets at different spatial and temporal resolutions and used new, sophisticated statistical methods to assess several potential stressors associated with colony collapse across the U.S. (earth.com)

Brood1

• I'll need to figure out how to orchestrate the brood breaks to both reduce the mite loads (and virus loads), and have large enough colonies for September honey production. (vermontbeekeepers.org)

Threat2

• But another factor may be the greatest threat to bee colonies. (wonderopolis.org)
• Clothianidin (product name "Poncho") has been widely used as a seed treatment on many of the country's major crops for eight growing seasons under a "conditional registration" granted while EPA waited for Bayer Crop Science, the pesticide's maker, to conduct a field study assessing the insecticide's threat to bee colony health. (bijensterfte.nl)

Mite1

• Post-treatment mite counts will tell you that so you know if the colony is okay for the time being or if you need to do more on mite control then. (vermontbeekeepers.org)

Winter2

• Currie said it's too early to say how Canadian colonies have fared this winter, but he said anecdotal evidence suggests there have been both good news and bad news stories, he said. (cbc.ca)
• The only way I've been able to recover my apiaries in the spring is to make nucs in June and July, and winter hundreds of nucleus colonies. (vermontbeekeepers.org)

Occurs1

• Cardiopulmonary collapse frequently occurs in HPS and seldom complicates Legionnaires disease, except in the terminal stages. (medscape.com)

Year3

• Since then, colony failure has been between 30 and 40 percent each year. (wonderopolis.org)
• 2 of the 4 colonies from this year produced honey (Northern spring nucs) and looked pretty good going into September following a mid-summer formic treatment. (vermontbeekeepers.org)
• The other 2 colonies were early summer splits and are doing ok, but didn't produce honey this year. (vermontbeekeepers.org)

Time1

• The period of time with the lowest growth in worldwide honey production was between 1991 and 1999, due to the economic collapse after the dissolution of communism in the former Soviet sphere of influence. (wikipedia.org)

Agent1

• DNRTA, did they find an etiological agent for colony collapse? (mikethemadbiologist.com)

Menu1

• The navigation menu has been collapsed. (medlineplus.gov)

Years1

• For a couple years now I've had colonies collapse in October and I'm struggling to identify the clues left behind. (vermontbeekeepers.org)

Higher1

• A new study, published in the journal Scientific Reports , has taken the analysis of variables, recognized as potential contributors to colony collapse, to a higher level. (earth.com)

Understand1

• The NY Times has a very good op-ed piece explaining how mathematical epidemiology can be used to better understand bee colony collapse . (mikethemadbiologist.com)

Reports1

• The group also reports that treating the colonies with the fungicide fumagillin halted colony collapse and cleared the infection from existing colonies. (cbc.ca)

Leads1

• This leads to the end of the colony . (wonderopolis.org)

Production1

• Damage to type II cells results in decreased production of surfactant with resultant decreased compliance and alveolar collapse. (medscape.com)