Understanding Bee Diversity

Most bees are solitary. Most don't sting. Most don't make honey.

The popular image of a bee — living in a hive, making honey, stinging when provoked — describes a single species among twenty thousand. The honeybee (Apis mellifera) is extraordinary and economically vital, but it is not representative. The majority of the world's bees are solitary, building individual nests in soil, wood, or hollow stems. Many are stingless. Almost none produce honey in meaningful quantities.

Bees are classified into seven recognized families. Understanding these families reveals the astonishing diversity of a group that most people have barely begun to perceive.

Family Common Name Est. Species Notable Traits
ApidaeHoney, bumble, carpenter, digger bees~5,700Largest family; includes the honeybee and all social bee species
HalictidaeSweat bees~4,400Often metallic green; attracted to human perspiration for salts
ColletidaePlasterer bees, polyester bees~2,500Most primitive family; line nests with a cellophane-like secretion
AndrenidaeMining bees~3,000Ground-nesting; often among the first bees active in spring
MegachilidaeMason, leafcutter, resin bees~4,100Carry pollen on abdomen rather than legs; include top crop pollinators
MelittidaeOil-collecting bees~200Highly specialized; collect floral oils instead of or in addition to nectar
StenotritidaeStenotritid bees~21Restricted to Australia; fast-flying, robust solitary ground nesters
Major Species

The Bees You Need to Know

These are the species with the greatest ecological significance, widest geographic range, or most important relationship with human agriculture.

Western Honeybee
Western Honeybee
Apis mellifera
The world's most economically important insect. Native to Africa, Europe, and the Middle East; now found on every inhabited continent. The only bee that produces honey at commercial scale. Lives in colonies of 20,000–80,000 individuals. Responsible for pollinating approximately $15 billion in U.S. crops annually.
Bumblebee
Bumblebee
Bombus spp. (~250 species)
Large, fuzzy, and exceptionally effective pollinators. Found throughout the Northern Hemisphere and South America. Unique among bees for their ability to perform "buzz pollination" — vibrating their flight muscles at 400 Hz to shake pollen from flowers that other bees cannot access. Essential for tomatoes, peppers, and blueberries.
Mason Bee
Mason Bee
Osmia spp. (~350 species)
Solitary cavity-nesting bees that use mud to seal their nests — hence "mason." Extraordinarily efficient pollinators: a single mason bee pollinates as effectively as 100 honeybees. Active early in spring before most other bees emerge, making them critical pollinators for apple, cherry, and other early-blooming orchard crops.
Carpenter Bee
Carpenter Bee
Xylocopa spp. (~500 species)
Among the world's largest bees, reaching up to 40mm in some tropical species. Excavate nesting galleries in dead wood, bamboo, and structural timber using their powerful mandibles. Important pollinators of open-faced flowers including passionflower, wisteria, and many native wildflowers. Males are territorial but cannot sting.
Leafcutter Bee
Leafcutter Bee
Megachile spp. (~1,500 species)
Cut precise circular and oval pieces from leaves to construct individual brood cells within cavity nests. Unlike most bees, they carry pollen on specialized hairs on their abdomen rather than in leg pollen baskets — making them particularly messy and effective pollinators. The alfalfa leafcutter bee (M. rotundata) is commercially managed for alfalfa pollination.
Sweat Bee
Sweat Bee
Halictidae family
Often iridescent metallic green, blue, or copper — among the most visually striking of all bees. Named for their attraction to human perspiration, which provides salts and moisture. Comprise one of the largest bee families with over 4,400 species. Range from fully solitary to primitively social. Among the most abundant wild pollinators in North American meadows.
Mining Bee
Mining Bee
Andrena spp. (~1,500 species)
Ground-nesting solitary bees that excavate tunnels in sandy or bare soil. Among the earliest bees active in spring — some species emerge when temperatures are barely above freezing. Many are highly specialist pollinators, visiting only a single genus or family of plant. A single mining bee aggregation may contain thousands of individual nests in close proximity.
Stingless Bee
Stingless Bee
Meliponini tribe (~550 species)
Social bees that have lost the ability to sting through evolutionary reduction of the stinger. Found in tropical and subtropical regions of every continent. Produce small quantities of honey, often with complex and distinctive flavors. Critically important pollinators of tropical rainforest plants. Kept by indigenous communities across Mesoamerica for thousands of years.
Digger Bee
Digger Bee
Anthophora spp. (~1,000 species)
Fast-flying, robust solitary bees that nest in earthen burrows, sometimes forming large aggregations in suitable sites. Among the fastest flying of all bees, capable of sustained flight at 25 mph. Important pollinators of spring wildflowers, larkspur, and many garden plants. Some species are specialist pollinators of specific plant families.
Cuckoo Bee
Cuckoo Bee
Multiple genera
Parasitic bees that lay their eggs in the nests of other bee species — just as the cuckoo bird lays eggs in other birds' nests. They have no pollen-collecting structures because they do not provision their own nests. Found across multiple families. As a group, cuckoo bees represent approximately 15% of all bee species — a remarkably high proportion of parasitism within a single insect order.
Orchid Bee
Orchid Bee
Eulaema, Eufriesea, Exaerete spp.
Among the most visually spectacular of all bees — males are often iridescent metallic green, gold, or blue. Found exclusively in the Neotropics. Males collect aromatic compounds from orchids and other flowers, storing them in specialized leg pouches to use in elaborate mating displays. The exclusive pollinators of many Neotropical orchid species, with some orchids having co-evolved to be pollinated by a single orchid bee species.
Wallace's Giant Bee
Wallace's Giant Bee
Megachile pluto
The world's largest known bee, with a wingspan of up to 63mm and a body length of 38mm. Described by Alfred Russel Wallace in 1858 and not seen again until 1981. Rediscovered in the Indonesian rainforest in 2019 — the first time it had been photographed alive. Builds nests inside the mounds of tree-dwelling termites, lining cells with plant resin.

Bee Records

Record Species Detail
Largest beeWallace's Giant Bee (Megachile pluto)Body length 38mm; wingspan up to 63mm
Smallest beePerdita minimaBody length approximately 2mm; found in the American southwest
Largest colonyWestern Honeybee (Apis mellifera)Up to 80,000 individuals in peak summer
Longest lived queenWestern Honeybee (Apis mellifera)Queens can live 3–5 years; workers 6 weeks in summer
Fastest flierHoney bee (Apis mellifera)Sustained flight speed approximately 15–20 mph
Most ancient fossilMelittosphex burmensisPreserved in amber; approximately 100 million years old
Most species-rich genusMegachile (leafcutter bees)Approximately 1,500 described species
Most northerly rangeArctic bumblebee (Bombus polaris)Found above the Arctic Circle; active at temperatures near 0°C
Deepest nestingMining bees (Andrena spp.)Some species excavate tunnels 60cm or more below the soil surface
Most specialized pollinatorVarious solitary speciesSome bee species visit a single plant genus; relationship evolved over millions of years

Where Bees Live

Bees are found on every continent except Antarctica. Their distribution is not uniform — bee diversity is highest in warm, dry regions with high plant diversity, particularly around the Mediterranean basin, southern Africa, the American southwest, and parts of central Asia. These "biodiversity hotspots" for bees correspond closely with areas of high flowering plant diversity, reflecting the co-evolutionary relationship between bees and flowers.

🌎 North America

Home to approximately 4,000 native bee species. The American southwest — particularly the Sonoran Desert — has the highest bee diversity in North America and among the highest in the world. California alone hosts over 1,600 native species.

🌍 Europe

Approximately 2,000 species, with highest diversity around the Mediterranean. Northern Europe has fewer species but faces the steepest documented declines, with some studies suggesting losses of 50% or more in some countries over the past 30 years.

🌏 Asia

Home to the genus Apis, of which the Western honeybee is one of approximately 8 species. Asia harbors enormous bee diversity, particularly in South and Southeast Asia, but comprehensive surveys are incomplete for many regions.

🌍 Africa & Australia

Africa hosts extraordinary bee diversity and is the evolutionary origin of the honeybee. Australia, with over 2,000 native bee species — all solitary — has no native social bees other than a small number of stingless species in the north.