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WASHINGTON (AP) — Winter hit U.S. honeybees hard with the highest loss rate yet, an annual survey of beekeepers showed.The annual nationwide survey by the Bee Informed Partnership found 37.7% of honeybee colonies died this past winter, nearly 9 percentage points higher than the average winter loss.The survey of nearly 4,700 beekeepers managing more than 300,000 colonies goes back 13 years and is conducted by bee experts at the University of Maryland, Auburn University and several other colleges.Beekeepers had been seeing fewer winter colony losses in recent years until now, said Maryland's Dennis vanEngelsdorp, president of the bee partnership and co-author of Wednesday's survey."The fact that we suddenly had the worst winter we've had ... is troubling," vanEngelsdorp said.Some bees usually die over winter, but until the past couple decades, when a combination of problems struck colonies, losses rarely exceeded 10%, he said.Bees pollinate billion worth of U.S. food crops. One-third of the human diet comes from pollinators, including native wild bees and other animals, many of which are also in trouble, according to the U.S. Department of Agriculture."We should be concerned on multiple levels," said University of California, Berkeley, agricultural social scientist Jennie Durant, who has a separate study this week on loss of food supply for bees.Year-to-year bee colony losses, which include calculations for summer, were 40.7%, higher than normal, but not a record high, the survey found."The beekeepers are working harder than ever to manage colonies but we still lose 40-50% each year... unacceptable," Swiss bee expert Jeff Pettis, who wasn't part of the survey, said in an email.For more than a decade, bees have been in trouble with scientists blaming mites, diseases, pesticides and loss of food.This past winter's steep drop seems heavily connected to the mites, vanEngelsdorp said. Beekeepers report that chemicals that kill mites don't seem to be working quite as well and mite infestation is worsening, he said. Those mites feed on the bees' fats and that's where the insects store protein and center their immune response.Durant's study in this week's journal Land Use Policy found that changes in food supply in the Midwest's Prairie Pothole Region, a hot spot for honeybee colonies, has been a major factor in losses. That area has lost wetland areas with clover bees feed on.Other areas have been converted to corn and soy crops, which don't feed bees, she said.As bad as the survey numbers are, vanEngelsdorp said, "We're not really worried about honeybees going extinct... I'm more worried that the commercial beekeepers will go out of business." 2695

WASHINGTON (AP) — President Donald Trump’s campaign says six staff members setting up for his Saturday night rally in Tulsa, Oklahoma, have tested positive for coronavirus.The campaign’s communications director, Tim Murtaugh, says that “quarantine procedures” have been initiated and no staff members who tested positive will attend the event.He says no one who had immediate contact with those staffers will attend, either.Murtaugh says campaign staff members are tested for COVID-19 as part of the campaign’s safety protocols.Campaign officials say everyone who is attending the rally will be given temperature checks before they pass through security. 662

WASHINGTON (AP) — The Republican National Convention is aiming to recast the story of Donald Trump's presidency over its four nights of events this coming week. Trump campaign officials involved with the planning process tell The Associated Press that the theme of the convention is “Honoring the Great American Story” and will feature speakers drawn from everyday life as well as cable news and the White House. The primary aim will be to draw a stark contrast with Democratic presidential nominee Joe Biden. Trump is looking to shift the campaign away from being a referendum on a presidency ravaged by a pandemic and economic collapse and toward a choice between vastly different visions of America's future. 719

WASHINGTON (AP) — President Donald Trump tweeted approvingly of a video showing one of his supporters chanting “white power,” a racist slogan associated with white supremacists. He later deleted the tweet and the White House said the president had not heard “the one statement” on the video. The video appears to have been taken at The Villages, a Florida retirement community. It shows dueling demonstrations between Trump supporters and opponents. Trump tweeted: “Thank you to the great people of The Villages.” South Carolina Sen. Tim Scott told CNN that “there’s no question “ that Trump should not have retweeted the video and ”should just take it down.” Scott is the only Black Republican in the Senate. 717