Honey bees in North America

The honey bees of North America are, every one of them, immigrants. The Western honey bee (**) evolved in Europe, Africa, and western Asia; no bee that makes stored honey in wax combs ever existed in the Americas until European colonists shipped hives across the Atlantic in 1622. Four hundred years later the animal is everywhere — roughly 2.6 million managed colonies in the United States, an uncounted feral population living in trees, cliffs, and buildings, and a migratory pollination industry that trucks most of the national herd to California's almond groves every February.^[1]

That ubiquity creates a strange split in how the species is discussed. Economically, is essential livestock: it pollinates a measurable share of American agriculture and produces a honey crop worth hundreds of millions of dollars. Ecologically, it is an introduced, managed species** that competes with — and infects — the roughly 4,000 native bee species that evolved alongside North American flora. The "Save the bees" framing of the 2010s treated the honey bee as an endangered wild creature; entomologists increasingly describe it instead as the chicken of the bee world — a farmed animal whose abundance has nothing to do with conservation, and whose colonies can, at high densities, make life measurably harder for the wild pollinators that actually are in trouble.^[2]

A European animal in an American landscape

The western honey bee's native range covers Europe, Africa, and the Middle East, where it has been kept by humans for at least nine thousand years. Every Apis mellifera colony on the North American continent descends from hives carried by ship — first to Virginia in 1622, then up the seaboard with each new colony, and ahead of the frontier into Indigenous territory, where the bee earned the recorded name "white man's fly." The species reached the Pacific only in the 1850s, when hives were hauled around Cape Horn and across the Isthmus to California.^[3] — see Honey bee introduction to the Americas for the full chronology.

From those few shipboard colonies came both populations alive today. Managed colonies live in Langstroth hives owned by roughly 115,000–120,000 American beekeepers, most of them hobbyists with a handful of boxes. Feral colonies — the descendants of escaped swarms — nest wild in hollow trees and cavities much as the species does in its native range, a population Thomas Seeley's long study in New York's Arnot Forest famously found persisting even after varroa mites arrived.^[4]

What honey bees are for

The economic case for the honey bee is real and large. Commercial pollination — colonies rented by the pallet and moved by truck — underwrites a substantial fraction of U.S. specialty-crop production, most visibly the California almond bloom, which absorbs on the order of two-thirds of all managed colonies each spring and is the largest managed-pollination event on Earth. Honey production adds a few hundred million dollars a year, and backyard beekeeping is a genuine craft tradition.^[5]

But the accounting is worth stating plainly, because it is usually left unstated: honey bees pollinate crops, not ecosystems. They are generalist foragers superb at strip-mining abundant single-species blooms — exactly what an orchard needs — while roughly 4,000 species of native bee do the bulk of wild-plant pollination, often far more efficiently per visit. Bumblebees "buzz-pollinate" the poricidal flowers of tomato, blueberry, and cranberry that honey bees cannot service at all.^[6]

The ecological ledger

Against the economic benefits stand four documented ecological costs, each developed in its own article:

• Resource competition. A single colony fields tens of thousands of foragers and can strip a neighborhood's nectar and pollen. Field experiments — notably Henry & Rodet's controlled apiary additions in France — have found that adding hives measurably reduces wild-bee foraging on the same flowers. See Honey bee competition with native pollinators.
• Pathogen spillover. Managed hives are dense, stressed, and mite-ridden — ideal amplifiers of viruses like deformed wing virus, which has been detected spilling into bumblebee populations on shared flowers. See Pathogen spillover in bees and the engine behind it, Varroa destructor.
• Weed pollination. Generalist honey bees readily service invasive plants — yellow starthistle, knapweeds, loosestrife — helping the weeds that crowd out native flora. See Honey bees and invasive plants.
• Cavity competition. Feral swarms take hollow trees, rock cavities, and building voids that native cavity-nesting birds, mammals, and solitary bees also need. See Feral honey bee.

The scientific literature on competition is not unanimous — a 2017 review by Mallinger and colleagues found the evidence mixed and urged caution — but the trend of results since has been consistent enough that entomologists now routinely describe honey bees as appropriate livestock and inappropriate wildlife.^[7]

The "save the bees" inversion

Public concern about pollinators, sharpened by the colony-collapse scare of 2006–2010, settled on the species least in need of saving. Managed honey bee colony numbers have not declined long-term — beekeepers replace losses by splitting hives, and U.S. colony counts are at or near record levels — while dozens of native bees, including the once-common rusty patched bumblebee, have slid toward extinction largely unremarked. The Xerces Society's Aimee Code put the comparison cleanly: keeping honey bees to help pollinators is like keeping chickens to help wild birds.^[8] See Save the bees for the movement and what actually helps.

Colony collapse and what actually happened

Colony collapse disorder — the sudden disappearance of a hive's worker force, coined in 2007 — was real, and it was largely an agricultural crisis: a multifactorial syndrome of varroa mites, viruses, poor forage, pesticide exposure, and migratory stress borne by livestock, not a wildlife extinction. Annual colony losses of 30–40% are genuinely costly to beekeepers, and the industry adapts by re-queening and splitting. The crisis framing, however, transferred onto the managed species the alarm that belonged to unmanaged native pollinators — a misallocation the evidence no longer supports.^[9]

Africanized bees

In the American Southwest the feral population is increasingly Africanized — the defensive hybrid line that escaped a Brazilian breeding program in 1957 and reached Texas in 1990. Africanized colonies behave much like European ones but defend their nests far more aggressively, and they have come to dominate feral populations in the southern tier. See Africanized honey bee for the spread, the biology, and the "killer bee" myth.

Living with them

Feral colonies do not only nest in trees. Walls, eaves, soffits, and chimneys across the country host colonies that can reach tens of thousands of bees and dozens of pounds of comb — an infestation industry of live cut-outs and structural repair has grown up around them, and in Africanized territory the removals carry a real sting risk.

Timeline

• 1622 — First documented colonies arrive at Jamestown, Virginia
• 1852 — Langstroth patents the movable-frame hive that makes modern beekeeping possible
• 1850s — Honey bees reach California by sea
• 1957 — Africanized bees escape experimental hives in Brazil
• 1984–87 — Tracheal mite, then Varroa destructor, arrive in the U.S.; feral populations crash
• 1990 — Africanized bees cross into Texas
• 2006–07 — Colony collapse disorder named; "save the bees" era begins
• 2017 — First U.S. bee placed on the endangered list: the rusty patched bumblebee — a native species

References

• Crane, Eva — The World History of Beekeeping and Honey Hunting (1999)
• Mallinger, Gaines-Day & Gratton — "Do managed bees have negative effects on wild bees?" PLOS ONE (2017)
• Geldmann & González-Varo — "Conserving honey bees does not help wildlife," Science 359 (2018)
• Fürst et al. — "Disease associations between honeybees and bumblebees," Nature (2014)
• Henry & Rodet — apiary-addition competition experiments (2018)
• USDA NASS — Honey Bee Colonies surveys; Economic Research Service pollination reports
• Seeley, Thomas — Following the Wild Bees (2016); Arnot Forest studies

See also

• Honey bee introduction to the Americas — how the species got here
• Native bees of North America — the 4,000 species it displaced
• Feral honey bee · Africanized honey bee — the wild populations
• Pathogen spillover in bees · Varroa destructor — the disease engine
• Honey bees and invasive plants — the weed feedback loop
• Honey bee infestation — colonies in buildings and their removal
• Save the bees — the conservation framing, examined