The U.S. Department of Agriculture said viruses from miticide-resistant Varroa mites caused the mass honey bee collapse reported earlier this year.

March 20, 2025 - In January 2025, commercial beekeepers discovered sudden mass honey bee colony losses (60-100%).

May 14, 2025 - The sudden and unexplained deaths of honey bees in the past year have sparked a national investigation to determine what killed untold numbers of these pollinators.

April 7, 2025 - We just wrapped the most deadly winter on record for commercial honey bees in the U.S. They not only make honey, they also pollinate more than a hundred U.S. crops here for a total of $18 billion in agricultural revenue. KVPR's Kerry Klein reports from central California, where the bee industry is scrambling to recover from these sudden, massive losses.

March 25, 2025 - Honeybee deaths have hit record highs in the US, with the unprecedented loss of colonies pushing many beekeepers close to ruin as scientists scramble to identify the main cause of the huge declines.

July 8, 2025 - Norman Carreck, a senior technician at the University of Sussex, who was not involved in the research, says: “Sadly, it was inevitable that major honeybee colony losses would again occur in the US at some point.

August 19, 2025 - More than half of the nation’s managed honey bee colonies appear to have experienced mass losses.

USDA research points to viruses spread by pesticide-resistant mites, indicating a worrying trend

August 3, 2026 - In January 2025, commercial beekeepers in the US started reporting mass honeybee die-offs. A month later ARS researchers collected bee and colony samples from California and other Western US states prior to almond pollination to analyze parasites ...

April 9, 2025 - Beekeepers across the country are struggling with a massive ‘die-off’ of the honeybee population, which in some cases has led to near-total colony losses for commercial beekeepers.

February 23, 2025 - The extent of the bee deaths is still being tallied, but one estimate suggests more than a million colonies have died. “No one is aware of the massive nature of this year’s die off,” said Steve Ellis, a Minnesota beekeeper.

January 7, 2026 - Reports of extreme colony mortality began in January, just before the almond bloom which requires the pollination services of an estimated 1.5 million colonies (Fenton, et al., 2025).

June 6, 2025 - American honeybee colonies have declined by more than 60% this year. A CU Boulder entomologist is racing to find a solution.

October 21, 2025 - The beekeeping industry is in crisis ... the U.S. experienced the worst die-off yet, with 62 percent of commercial honeybee colonies collapsing between June 2024 and January 2025....

March 20, 2025 - Cornell bee experts are analyzing samples of bees and related material to help identify the cause of unprecedented managed honeybee losses this winter.

April 7, 2025 - Beekeepers often experience some seasonal losses, but this past winter, more than half of all US honeybee colonies died off, potentially the largest loss in US history · By Colin Barras · 4 April 2025 · Honeybees are vulnerable to seasonal ...

July 16, 2025 - In January 2025, commercial beekeepers began reporting severe losses in commercially managed operations.

May 8, 2025 - “In January 2025, beekeepers across the country began reporting unexpected large-scale honey bee losses—we now know the largest ever recorded in the U.S.,” said Danielle Downey, executive director of Project Apis m. “In response, USDA ...