Articles with the keyword: 
Colony collapse harms bees but not agriculture ...at least not yet.
Darkfrog submitted, created time 2 months 3 weeks (www.nature.com)
Colony collapse disorder might be messing with bees and other insects like there's no tomorrow, but nevertheless, a new day dawns for human agriculture. It seems that we don't need them quite as much as we thought.
A study out of UC Berkeley mines data from the United Nations' Food and Agriculture Organization from 1961 to 2006 and compared the yields of both pollinator-dependant and non-pollinator-dependant crops. They found that in developing countries and developed, crop yields were still going up. In the tropics, there was no difference between seed- and wind-pollinated crops 
Insulin signaling is involved in the regulation of worker division of labor in honey bee colonies
davidd submitted, created time 9 months 3 weeks (www.pnas.org)
There a age-related division of labor in honey bee colonies, a highly derived behavioral system, involves the performance of different feeding-related tasks by different groups of individuals. Older bees acquire the colony's food by foraging for nectar and pollen, and the younger "nurse" bees feed larvae processed foods.
Queen Bees Control Sex of Young After All
Eric wu submitted, created time 1 year 1 month (sciencenow.sciencemag.org)
Royalty has its privileges, even in the insect world. Queen honey bees can choose the sex of their offspring, a new study shows. Like a sharp stinger, that finding pokes a hole in the notion that queens are merely mindless egg layers and that worker bees have the final say on whether the queen lays eggs that give rise to males or females.
Disappearing Bee Mystery Deepens
wugongliang submitted, created time 1 year 2 months (sciencenow.sciencemag.org)
A virus linked to the strange disappearance of honeybees did not arrive in the United States via recently imported Australian hives, according to a new genetic analysis. Instead, the virus has been present here since at least 2001. "On the face of it, it seems to let the Australians off the hook," says entomologist Nicholas Calderone of Cornell University. But he and others stress that much remains to be learned before the role of the virus in colony collapse is clear.
Detecting poisons in nectar is an odour-ous task for honeybees
Luneetty submitted, created time 1 year 9 months (www.physorg.com)
Though many spring flowers have bright advertisements offering sweet rewards to honeybees, some common flowers have not-so-sweet or even toxic nectars. Why plants would try to poison the honeybees they wish to attract is a scientific mystery. The honeybee, which accounts for the pollination of at least 1/3 of the world’s crop plants, may encounter such poisoned nectar in common crop and garden plants such as Rhododendrons and almond trees. A new study suggests that honeybees can react to toxins in nectar, but that this ability may mainly be after they have ingested the toxins.
Honeybee Buzzes Can Warn Against Toxins
dovechocolate submitted, created time 1 year 10 months (www.livescience.com)
Honeybees are essential to pollinating many crops worldwide, including coffee plants and oranges. Honeybees could be useful as highly sensitive, living alarm systems, When they are exposed to different types of chemicals, bees’ buzz changes. The beekeepers have known that the buzzing of a beehive changes when the queen bee is removed, and now it has been shown that this behavior may help soldiers detect toxic chemicals such as those potentially used in terror attacks and help beekeepers monitor the health of their hives
Brain-damaged bees wandering off?
Hecate submitted, created time 1 year 10 months (www.nytimes.com)
In the US alone, over ninety different crops rely on honeybees for pollination, comprising one-third of the average American's diet and over $14 billion, direct and indirect, of the American economy. But the bees are abandoning their hives, leaving food stores and larvae behind. What gives? (Please, no jokes about this solving our obesity problem.) We can be confident that the bees aren't dying because there are no dead bodies left behind. This article proposes that perhaps a new pesticide caused worker bee brain damage that impaired the bees' celebrated ability to navigate.
Mysterious ailment wiping out bees
julie submitted, created time 1 year 10 months (edition.cnn.com)
A mysterious disease is killing off U.S. honeybees, threatening to disrupt pollination of a range of crops and costing beekeepers hundreds of thousands of dollars
Mystery Ailment Strikes Honeybees
psychologist submitted, created time 1 year 10 months (www.livescience.com)
A mysterious illness, called Colony Collapse Disorder, is killing tens of thousands of honeybee colonies across the country, threatening honey production, the livelihood of beekeepers and possibly crops that need bees for pollination.
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