More than half of all managed honey bee colonies in the United States died between April 2024 and April 2025, a 55.6 percent loss rate that represents the worst single-year die-off since researchers began tracking the figure in 2010. The finding, compiled through a national beekeeper survey reported by Auburn University’s College of Agriculture, has sent alarm through an industry already stretched thin by years of elevated mortality. For growers who depend on commercial pollination contracts for almonds, blueberries, and other high-value crops, the scale of the collapse raises urgent questions about whether enough colonies can be rebuilt before the next pollination season.
Why a 55.6 percent colony loss threatens American food production
Losing more than half the national hive inventory in twelve months is not a statistical curiosity. Commercial beekeepers typically split surviving colonies and purchase replacement queens each spring to replenish numbers before summer nectar flows and fall pollination contracts. When losses climb past roughly 40 percent, the math gets brutal: operations must invest more in replacement stock, accept smaller honey harvests, and sometimes decline pollination bookings they would normally fill. A loss rate above 50 percent compresses the recovery window so tightly that many operations cannot rebuild to full strength before the next winter.
The Auburn survey drew on self-reported data from both commercial and backyard beekeepers. That methodology follows the same framework used by the Bee Informed Partnership, whose earlier peer-reviewed work on the 2020–21 and 2021–22 seasons established the survey’s credibility and continuity with winter-loss tracking that dates back more than a decade. The 55.6 percent figure eclipses every prior annual result in the survey’s history, underscoring that the latest season was not just bad, but unprecedented within this monitoring system.
For farmers, the risk is less about honey and more about pollination capacity. California’s vast almond orchards, for example, draw in millions of colonies each February from across the country. Blueberries, apples, melons, and numerous seed crops also rely on rented hives. If large migratory beekeeping outfits cannot rebuild from winter losses fast enough, they may have to prioritize certain crops or regions, potentially driving up pollination fees and leaving some growers scrambling for alternatives. Smaller specialty-crop producers, who lack the leverage of large buyers, are often the first to feel that squeeze.
One hypothesis that deserves close attention is whether operations reporting the steepest losses also experienced higher rates of queen failure and weaker fall population growth. USDA’s National Agricultural Statistics Service publishes a separate Honey Bee Colonies statistical series that tracks quarterly colony inventory, losses, and renovation counts for operations with five or more colonies. Cross-referencing those renovation figures against the survey’s loss reports could reveal whether the spike reflects acute colony death or a failure to replace lost hives at normal rates, independent of Varroa mite pressure captured through federal pest monitoring.
Two parallel datasets and what they actually measure
The 55.6 percent headline number comes from a voluntary survey that asks beekeepers to report how many colonies they managed at the start and end of each period, along with causes they attribute to losses. That approach captures the lived experience of operators across all scales, from hobbyists with a handful of hives to migratory outfits running thousands. The Bee Informed methodology has documented how self-reported estimates can differ from inventory-based counts, but the survey’s long track record provides the most consistent year-over-year comparison available.
USDA NASS uses a different lens. Its Honey Bee Colonies reports sample operations with five or more colonies and define losses through quarterly inventory changes rather than beekeeper recall. The agency also collects data on stressors, colony collapse disorder symptoms, and the number of colonies added or renovated each quarter. Those renovation counts are especially useful because they show how aggressively beekeepers are replacing dead colonies, a signal that pure loss percentages can obscure. A season with high losses but even higher renovation activity can leave overall pollination capacity relatively stable; a season with both high losses and weak renovation suggests genuine contraction.
A third layer of federal data comes from USDA APHIS, which runs national honey bee surveys focused on pests and diseases. That program tracks Varroa mite loads, virus prevalence, and other health indicators through direct sampling rather than beekeeper questionnaires. Together, these three systems-the beekeeper survey, the NASS inventory series, and the APHIS pest monitoring program-offer overlapping but distinct windows into colony health. When all three point in the same direction, the signal is hard to dismiss, and when they diverge, those gaps can highlight where assumptions about causes and timing may be wrong.
Peer-reviewed research published in Science of the Total Environment has already documented the 2024–25 losses as unusually high and described follow-on triage surveys designed to capture symptoms and potential drivers from affected operations. Those triage efforts represent the closest thing to a rapid-response investigation the beekeeping research community has mounted, though their findings have not yet isolated a single dominant cause. Instead, they suggest a complex picture in which parasites, pathogens, forage quality, and management decisions all interact, sometimes in ways that are hard to untangle after the fact.
Gaps in the data and what beekeepers should watch next
Several pieces of the puzzle are still missing. NASS has not released full quarterly loss tables or stressor indicators for the 2024–25 period, which means the 55.6 percent survey figure cannot yet be directly compared against the government’s inventory-based benchmark. Until those numbers appear, analysts are working with one dataset rather than the confirmation that comes from triangulation. If NASS ultimately reports a surge in both losses and renovations, that would indicate an industry scrambling to stay even. If renovations lag, it would point to a more serious contraction in the number of colonies actually available for pollination.
APHIS national honey bee survey data on Varroa loads and virus prevalence for the same period also remain unpublished. Without that information, researchers cannot determine whether the record losses correlate with an unusual spike in mite pressure, a shift in virus strains, or something else entirely. No primary dataset has yet connected specific 2024 pesticide applications or forage conditions to the operations that reported the worst losses, leaving environmental contributors largely inferred rather than documented.
In the meantime, beekeepers and growers are watching a handful of indicators. The first is whether replacement colonies and queens are available at reasonable prices this fall and next spring. Tight supplies or sharply higher prices could signal that nucleus colony producers and queen breeders are themselves struggling to maintain healthy stock. The second is whether migratory operations begin to trim their pollination routes, dropping lower-paying contracts or distant crops to focus on a smaller set of reliable clients.
Another key question is how federal agencies respond. Programs administered through the broader USDA system can support research on bee health, provide technical guidance on integrated pest management, and, in some cases, offer financial assistance to offset catastrophic losses. The scale of the 2024–25 die-off is likely to test whether existing tools are adequate or whether new approaches-such as expanded pest monitoring, incentives for pollinator-friendly forage, or targeted relief for pollination-dependent growers-are needed.
For now, the 55.6 percent figure stands as both a warning and a call for better data. Until inventory, pest, and management information for the same period can be fully aligned, explanations for the record losses will remain provisional. What is clear is that the margin for error in the nation’s pollination system has narrowed. Rebuilding enough colonies to meet demand in the next few seasons will require not only resilient beekeepers but also clearer signals from the science and policy communities about what, exactly, went wrong.
More from Morning Overview
*This article was researched with the help of AI, with human editors creating the final content.
