The Role of Bees in the Ecosystem: Pollination and Beyond

Bees are central to ecosystem function through their role as pollinators, but their influence extends into plant evolution, food security, and habitat structure. This article examines the ecological importance of bees, the mechanisms of pollination, the threats facing bee populations, and the practical actions that support bee conservation. The content draws on peer-reviewed research and is intended for students, researchers, life-science professionals, and informed general readers who want a rigorous understanding of bee ecology and its applied implications.

At a Glance: Bee Ecosystem Services and Conservation Status

The table below summarizes the primary ecosystem services provided by bees, the evidence base for each service, and the conservation considerations that follow.

The Pollination Mechanism: How Bees Transfer Pollen

Pollination occurs when pollen grains are transferred from the male structures of a flower to the female structures, enabling fertilization and seed production. Bees are effective pollinators because they visit flowers regularly for nectar and pollen, and their body structure facilitates pollen transport.

Safe Sites on the Bee Body

Research on honey bees and bumble bees has identified specific body areas that bees cannot groom effectively, and these areas serve as safe sites for pollen transfer. A study combining artificial contamination of bee bodies with pine or sunflower pollen found safe sites on the forehead, dorsal thorax and waist, and on the dorsal and ventral abdomen. The largest amount of pollen was found on the waist, followed by the dorsal areas of thorax and abdomen. Experiments with fluorescent dye demonstrated that the pollen sacs and stigma of flowers from Salvia pratensis, Salvia officinalis, and Borago officinalis contact identical safe sites, confirming that pollen deposition on these areas improves pollen transfer to stigmas of conspecific flowers. This finding has practical implications for understanding why some bee species are more effective pollinators than others and for evaluating pollination services in agricultural systems.

Pollination Effectiveness Across Bee Species

Pollination effectiveness varies considerably among bee species. In Australian apple orchards, researchers observed the foraging behavior of 69,354 invertebrate flower visitors across two regions over three years. Native stingless bees and introduced honey bees were the most abundant visitors and the most efficacious pollinators, with Tetragonula achieving a pollination efficacy of 6.16 and Apis achieving 13.02. However, visits by tree-nesting stingless bees decreased with distance from native forest, falling off at distances less than 200 meters, and their tropical and subtropical distribution precludes pollination service in other major Australian apple-producing regions. More broadly distributed native allodapine and halictine bees transferred the most pollen per visit, but their low abundances reduced their overall efficacy, with Exoneura achieving 0.03 and Lasioglossum achieving 0.06. This resulted in a general dependence on honey bees for apple pollination in Australia.

The historical biogeography of bees drives this dependence. Key Northern Hemisphere apple pollinators including Andrena, Apis, Bombus, and Osmia do not naturally occur in Australasia, where there is only 15 percent generic overlap with Central Asian bees sympatric with wild apple distributions, compared with 66 percent overlap in the Palaearctic and 46 percent in the Nearctic. This burden of biogeography means that some regions rely heavily on one introduced species for crop pollination, which creates vulnerability if that species declines or if pollination demand increases.

Bees and Food Security

Pollinators are critical for food security, but their contribution to the pollination of locally important crops is not fully understood, especially for non-bee pollinators. A review of the diversity, conservation status, and role of bee and non-bee pollinators in 83 different crops described as important for the global food market or of local importance found that bees are the most commonly recorded crop floral visitors. However, non-bee pollinators are frequently recorded visitors to crops of local importance. In tropical ecosystems, non-bee pollinators include nocturnal insects, bats, and birds. Nocturnal pollinators are neglected in current diurnal-oriented research and are experiencing declines. The integration of non-bee pollinators into scientific studies and conservation agendas is urgently required for more sustainable agriculture and for safeguarding food security for both globally and locally important crops.

Economic Value of Pollination Services

The economic value of bee pollination is substantial. A study of Chinese agriculture from 2010 to 2024 quantified the economic value, relative vulnerability, and supply-demand imbalance of honeybee pollination. Benchmark pollination service value increased from US$114.27 billion in 2010 to US$247.02 billion in 2024, while pollination-attributable output increased from 203.92 million tonnes to 274.73 million tonnes. In 2024, 36.94 percent of selected crop value was exposed to pollination dependence, with vegetables and fruits contributing more than 93 percent of total benchmark value. Effective honeybee supply was estimated at 5.73 million colonies in 2024, resulting in a substantial supply deficit of 68.00 million colonies and a demand-to-effective-supply ratio of 12.88 under the benchmark scenario. Despite sensitivity to colony-use assumptions, the demand-supply gap remained persistent across alternative specifications. These results show that high-value agriculture increasingly depends on pollination services while managed pollination capacity remains far below theoretical demand.

Wild Bees and Crop Pollination

Wild bees can supply sufficient pollination in some agricultural systems. A three-year study of wholesale, commercial pumpkin fields identified 37 species of bees foraging in the fields. Honey bees, squash bees, and bumble bees were the most active pollinator taxa, responsible for over 95 percent of all pollination visits. The study synthesized existing literature to estimate minimum pollination thresholds per taxa and determined that each of the most active pollinator taxa exceeded these thresholds independently. Under current conditions, renting honey bee hives may be superfluous in this system. These results can aid growers when executing pollination management strategies and highlight the importance of monitoring and conserving wild pollinator populations.

In New York apple orchards, research has compared the per-visit pollinator performance and regional importance of wild Bombus and Andrena species with the managed honey bee. Wild bumble bees have also been shown to reduce pollination deficits in a crop mostly visited by managed honey bees. These findings indicate that diverse pollinator communities provide a buffer against pollination shortfalls and that wild bees contribute meaningfully to crop yields even when managed pollinators are present.

Bees and Plant Evolution

Bees do not simply transfer pollen. Their foraging behavior actively shapes plant evolution over relatively short timescales.

Rapid Evolution Driven by Pollination and Herbivory

Pollination and herbivory are both key drivers of plant diversity but are traditionally studied in isolation from each other. A study using fast-cycling Brassica rapa plants manipulated the presence and absence of bumble bee pollinators and leaf herbivores over six generations. Plants under selection by bee pollinators evolved increased floral attractiveness, but this process was compromised by the presence of herbivores. Plants under selection from both bee pollinators and herbivores evolved higher degrees of self-compatibility and autonomous selfing, as well as reduced spatial separation of sexual organs. The evolution of most traits was affected by the interaction of bee pollination and herbivory, emphasizing the importance of the cross-talk between both types of interactions for plant evolution.

Soil and Pollinator Interactions

The interaction between soil and biotic pollination may be an important cause of divergent evolution in plants growing on different soil types. An experimental evolution study with fast-cycling Brassica rapa plants examined the impact of soil, pollination, herbivory, and their interactions on divergent evolution during eight generations of selection. Significant evolutionary changes in plant phenotypes were caused by all three factors and their interactions. In the richer soil type, plants showed higher evolutionary rates, especially with bumblebee pollination, which led to the evolution of increased attractiveness of plants to bumblebees. Plants that had experienced aphid herbivory showed lower attractiveness. The strongest evolutionary divergence occurred when plants evolved in different soils with bee pollination instead of hand pollination, irrespective of herbivory. This soil-pollinator effect impacted divergence in diverse suites of traits, including leaf size, flowering time, flower petal length, some floral volatiles, and leaf glucosinolates.

Bee Behavior and Communication

Bee behavior underpins their ecological roles. Foraging decisions, communication systems, and learning abilities determine how effectively bees locate and exploit floral resources.

Foraging Behavior and Pollination Service Delivery

The ability to forage is critical for solitary bee reproduction and for the delivery of pollination services. Research on solitary red mason bees exposed to field realistic levels of two widely used insecticides with differing modes of action found that both neonicotinoid and non-neonicotinoid insecticides can affect behavior and pollination services depending on how often bees are exposed. Pollination by insecticide-treated bees reduced apple production by up to 86 percent depending on the compound and the number of exposures. Bee foraging behavior was also affected by treatment, where both insecticides appeared to induce an excitatory effect that was constant for acetamiprid and eventually ceased for lambda-cyhalothrin after multiple exposures. These findings are particularly important given changing usage patterns of these compound classes.

Managed Foraging and Honey Bees as Livestock

Managed honey bees are used for both honey production and crop pollination, and their foraging behavior is shaped by management practices. The concept of managed foraging treats honey bees as livestock, with beekeepers making decisions about hive placement, colony strength, and timing of pollination services. This management perspective has implications for how honey bees interact with surrounding ecosystems, including competition with native bees for floral resources.

Threats to Bee Populations

Bee populations face multiple pressures, and understanding these threats is essential for effective conservation.

Land Use Change and Habitat Loss

Land use change strongly affects the composition and diversity of available plants and food sources for bees. The chemical composition of food determines the health, resilience, and fitness of bees. Bee health is a multidimensional concept that links bee biological traits including physiology, stoichiometry, and disease with environmental factors including floral diversity and nutritional landscapes. Linking information on tolerated nutritional niches and health in different bee species allows better prediction of their distribution and responses to environmental change.

Insecticide Exposure

Most pesticide research and risk assessment has focused on social bees and mortality, while solitary species are understudied. Exposure to insecticides can affect bees, and the ability to forage is critical for solitary bee reproduction and pollination service delivery. The research on red mason bees described above demonstrates that field realistic levels of insecticides can reduce apple production through effects on bee behavior, even when mortality is not observed.

Climate Change and Network Disassembly

Climate warming and land-use change are reshuffling the distribution of life on Earth, altering the structure of species interaction networks. A study projecting the vertical disassembly of the bumble bee pollination network of the Southern Rocky Mountains integrated species distribution models with in-situ plant-pollinator interaction data to map expected change in a network consisting of 13 bumble bee species and 157 plant species. Models project the vertical disassembly of interaction networks, where elevational range shifts lead to increasingly large spatial mismatches under more extreme climate warming scenarios. The models identify hotspots of change where up to 50 percent of the total number of interactions in the whole system are lost, often outpacing the arrival of new interactions.

Introduced Species and Competition

Introduced honey bees can have cascading effects on ecological communities. A study using experimental hive additions, field observations, and pollination effectiveness trials across multiple years examined the impacts of increasing honey bee abundance on the pollination of an ecologically important wildflower, Camassia quamash. The study found compelling evidence that honey bee introductions indirectly decrease pollination by reducing nectar and pollen availability and competitively excluding visits from more effective native bees. The direct impact of honey bee visits on pollination was negligible and, if anything, negative. Honey bees were ineffective pollinators, and increasing visit quantity could not compensate for inferior visit quality.

The managed-to-invasive species continuum in social and solitary bees is a source of conservation concern. Invasive bee species have negative impacts on native bee species, and the invasion is mediated by the abiotic environment, biotic communities, and propagule pressure of the invader. Each of these factors is further affected by management, which can amplify the magnitude of the impact on native bee species. The magnitude of impact of an invasive bee species relates both to its population size in the introduced habitat and the degree of overlap between its resources and the resources native bees require.

Bee Conservation and Monitoring

Effective conservation requires robust monitoring methods and an understanding of how bee communities respond to management actions.

Monitoring Methods for Bee Assemblages

Global declines in bee populations highlight the urgent need for robust monitoring methods. A rapid bee inventory in Brasília National Park in Central Brazil compared three passive sampling methods: Malaise traps, blue cup traps, and scent-bottle traps. A total of 6,186 bees belonging to 196 species and 64 genera were recorded. Blue cup traps were the most effective method, capturing 4,094 individuals in 160 species, which represented 81.63 percent of the total richness, and showed the highest potential for sampling completeness. Scent bottle traps captured 1,895 individuals in 56 species, providing strong complementary value, particularly for Meliponini and Euglossini. Malaise traps were less efficient overall, collecting 197 individuals and 40 species, but contributed unique species and functional groups. The low overlap among methods highlights their complementarity and demonstrates that combining sampling techniques is essential for inventories and long-term monitoring of bee assemblages.

Fire and Bee Diversity

Wildfires are increasing in frequency and severity in dry forests across western North America and have direct effects on forest structure and ecosystem services. A study in the Okanogan-Wenatchee National Forest in Washington quantified native bee richness at nine forested plots that burned in 2021, 2018, and 2015, or were unburned since 1968. Native bee genus richness was driven by the interaction between burn severity and burn age. Study areas that had recently burned at higher severities had greater bee genus richness. Furthermore, the proportion of above ground nesting bees in landscapes 1 to 8 years post-fire was greatest at sites that burned with moderate fire severity and had more available nesting habitat. These findings suggest that mixed-severity fire in ponderosa pine landscapes promotes native bee biodiversity.

Landscape Structure and Bee Diversity

Habitat loss and degradation can cause population declines in bee species, mainly through agricultural and cattle-raising pasture activities. A study of orchid bees in the Brazilian Cerrado Savanna evaluated how landscape structure influences species richness, abundance, and species composition. Species richness and abundance were explained by forest cover, compositional heterogeneity, and shape of patches. Species composition was explained by forest cover. The increase in natural area and landscape diversity favored the assemblages of orchid bees. These findings highlight the importance of forest cover and landscape compositional heterogeneity in supporting the species richness and abundance of orchid bees.

Roadside Verges as Refuges

Agricultural intensification has simplified rural landscapes, threatening pollinators and the ecosystem services they provide. In the northern Argentine Pampas, roadside verges represent some of the few remaining semi-natural habitats embedded within intensively cultivated matrices. A study evaluating whether these linear habitats can function as refuges for bee communities recorded plant-bee interactions along eight roadside verges, obtaining 1,129 visitation records involving 21 bee species and 33 plant species. Interaction networks were strongly dominated by Apis mellifera, which accounted for 76.8 percent of visits, while Protandrena sp. 2 and Rhophitulus sp. 1 were the most frequent native bees. A genetic algorithm identified alternative seven-species plant mixes characterized by complementary flowering periods spanning multiple seasons. Floral abundance of selected plant species was positively associated with bee visitation along road verges. These results highlight roadside verges as important refuges for pollinators and provide a practical framework for managing roadside vegetation to support bee diversity in intensively managed agricultural landscapes.

Practical Actions to Support Bee Populations

The evidence base supports several concrete actions that individuals, land managers, and policymakers can take to support bee populations.

Habitat Conservation and Restoration

The preservation of natural habitat patches within agricultural landscapes supports bee diversity. The orchid bee study in the Brazilian Cerrado demonstrated that increases in natural area and landscape diversity favor bee assemblages. Similarly, the roadside verge study in Argentina showed that managing roadside vegetation with native plant assemblages that provide complementary flowering periods can support bee visitation. Land managers should retain existing natural habitat, restore degraded areas, and manage linear habitats such as field margins and roadsides to provide floral resources throughout the growing season.

Reducing Agrochemical Stress

Pollinator-friendly policies emphasize strategies for habitat conservation and restoration, as well as the reduction of stress associated with agrochemical use. The research on solitary bees exposed to insecticides demonstrates that field realistic exposure levels can reduce pollination services even without direct mortality. Farmers and land managers should adopt integrated pest management approaches that minimize insecticide exposure to bees, consider the timing of applications relative to bee activity, and select compounds with lower risk profiles where alternatives exist.

Supporting Diverse Pollinator Communities

Conservation efforts should address the needs of the full range of bee species, including managed honey bees and wild native bees. The honey bee is the focus of many pollinator campaigns, but outside of its native range, honey bees are inappropriate as umbrella or flagship species for the conservation of pollinators. Pollinator decline is often erroneously interpreted as if crop pollination services are under threat, which can lead to misguided efforts to protect introduced and widespread crop pollinating species that are not in decline, without addressing the needs of other imperilled species. Effective conservation requires attention to solitary bees, bumble bees, and other native pollinators, each of which has specific habitat and nutritional requirements.

Policy Engagement

Brazilian pollinator policies provide an example of institutional approaches to bee conservation. The origins and development of the International Pollinators Initiative under the United Nations Convention on Biological Diversity and the Brazilian Pollinators Initiative are detailed, including their connections to pollinator and pollination assessments conducted by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services and its national counterpart. Brazil's current nature conservation policies, particularly the Native Vegetation Protection Law, provide a framework for habitat conservation alongside policies that promote sustainable agriculture. The review of agrochemical usage and impacts in Brazil on both humans and pollinators, with a focus on bees, and the prospects for biological control, identifies critical areas requiring greater attention from public policies.

Common Failure Patterns in Bee Conservation

Conservation efforts can fail when they do not address the underlying drivers of bee decline or when they focus on the wrong targets.

Overemphasis on Managed Honey Bees

A common failure is the assumption that supporting honey bees supports all pollinators. The honey bee has widespread recognition for its role as an integral agricultural pollinator, but outside of its native range, honey bees are inappropriate as umbrella or flagship species for the conservation of pollinators. Efforts that focus exclusively on honey bee health may not address the needs of other imperilled species and may even exacerbate competition between managed and wild bees.

Neglect of Non-Bee Pollinators

Research on crop pollination has demonstrated that non-bee pollinators are frequently recorded visitors to crops of local importance, particularly in tropical ecosystems where nocturnal insects, bats, and birds contribute to pollination. Nocturnal pollinators are neglected in current diurnal-oriented research and are experiencing declines. Conservation programs that focus exclusively on bees may miss important components of pollination systems.

Ignoring Biogeographic Context

The burden of biogeography means that some regions depend heavily on introduced species for crop pollination. In Australia, the historical biogeography of bees drives an extreme dependence on one introduced species for apple pollination. Conservation strategies that do not account for regional differences in pollinator communities may be ineffective or inappropriate.

Limitations and Knowledge Gaps

The evidence base for bee ecology and conservation has several limitations that should be acknowledged.

Geographic Bias

Much of the research on bee pollination has been conducted in the Northern Hemisphere. The study of bee pollination services and the burden of biogeography noted that Southern Hemisphere contexts are poorly known. Research on native bees augmenting pollination services in the Northern Hemisphere, especially cultivated apple crops, may not transfer directly to Southern Hemisphere systems with different pollinator communities and biogeographic histories.

Taxonomic Bias

Most pesticide research and risk assessment has focused on social bees and mortality, while solitary species are understudied. The ability to forage is critical for solitary bee reproduction and pollination service delivery, and we know little about how insecticides can impact these behaviors. Similarly, nocturnal pollinators are neglected in current research, despite their importance for locally important crops in tropical ecosystems.

Methodological Challenges

Forecasting change in species interactions is a central challenge for biodiversity conservation, but there are numerous methodological challenges associated with spatiotemporally explicit mapping of interactions because these interactions form networks that intrinsically vary in space and time. The study of bumble bee network disassembly in the Southern Rocky Mountains demonstrated the utility of species distribution projections in mapping the impact of global change on interaction networks, but also highlighted the complexity of these systems.

Professional Escalation Criteria

Individuals and organizations working on bee conservation should seek professional guidance under specific circumstances.

When to Consult a Pollination Ecologist

Land managers who are uncertain about the pollinator communities in their area, or who are considering management actions that could affect pollinators, should consult a pollination ecologist. This includes situations where crop pollination deficits are suspected, where large-scale habitat restoration is planned, or where insecticide applications may affect sensitive bee populations.

When to Consult a Beekeeping Professional

Beekeepers and farmers who manage honey bee colonies should consult a beekeeping professional when colonies show signs of stress, disease, or unexplained mortality. Professional guidance is also appropriate when planning pollination contracts, evaluating colony strength, or making decisions about hive placement in agricultural landscapes.

When to Consult a Conservation Biologist

Conservation programs that aim to protect native bee communities should involve conservation biologists with expertise in pollinator ecology. This is particularly important when managing for rare or threatened bee species, when designing monitoring programs, or when evaluating the impacts of land use change on pollinator communities.

Frequently Asked Questions

How do bees contribute to plant biodiversity?

Bees contribute to plant biodiversity through pollination, which enables sexual reproduction in flowering plants. Research has demonstrated that bee pollination drives rapid evolutionary changes in plant traits, including floral attractiveness and self-compatibility. The interaction between soil and biotic pollination may be an important cause of divergent evolution in plants growing on different soil types, even without a shift in pollinator guilds. By facilitating outcrossing and gene flow between plant populations, bees maintain genetic diversity and evolutionary potential in plant communities.

What is the economic value of bee pollination?

The economic value of bee pollination is substantial and growing. A study of Chinese agriculture estimated that benchmark pollination service value increased from US$114.27 billion in 2010 to US$247.02 billion in 2024, with vegetables and fruits contributing more than 93 percent of total benchmark value. However, managed pollination capacity remains far below theoretical demand, with a substantial supply deficit of 68.00 million colonies under the benchmark scenario.

Are honey bees the most effective pollinators?

Honey bees are not always the most effective pollinators. Research on Australian apple orchards found that native stingless bees and introduced honey bees were the most abundant visitors and most efficacious pollinators, but more broadly distributed native allodapine and halictine bees transferred the most pollen per visit. Research on the wildflower Camassia quamash found that honey bees were ineffective pollinators, and increasing visit quantity could not compensate for inferior visit quality. Pollination effectiveness depends on the plant species, the bee species, and the environmental context.

How do insecticides affect bee pollination services?

Insecticides can affect bee pollination services even when they do not cause direct mortality. Research on solitary red mason bees exposed to field realistic levels of two widely used insecticides found that pollination by insecticide-treated bees reduced apple production by up to 86 percent depending on the compound and the number of exposures. Both neonicotinoid and non-neonicotinoid insecticides can affect behavior and pollination services of solitary bees depending on how often they are exposed.

What is the role of non-bee pollinators?

Non-bee pollinators are frequently recorded visitors to crops of local importance, particularly in tropical ecosystems where nocturnal insects, bats, and birds contribute to pollination. A review of 83 crops found that bees are the most commonly recorded crop floral visitors, but non-bee pollinators are important for locally important crops. Nocturnal pollinators are neglected in current diurnal-oriented research and are experiencing declines, highlighting the need for their integration into scientific studies and conservation agendas.

How does climate change affect bee populations?

Climate change affects bee populations by altering the distribution of species and the structure of interaction networks. A study of the bumble bee pollination network of the Southern Rocky Mountains projected the vertical disassembly of interaction networks, where elevational range shifts lead to increasingly large spatial mismatches under more extreme climate warming scenarios. The models identified hotspots of change where up to 50 percent of the total number of interactions in the whole system are lost, often outpacing the arrival of new interactions.

What can farmers do to support wild bee populations?

Farmers can support wild bee populations by retaining natural habitat patches within agricultural landscapes, managing field margins and roadsides to provide floral resources throughout the growing season, and reducing agrochemical stress through integrated pest management approaches. Research on commercial pumpkin fields found that wild bees supplied sufficient pollination in certain settings, and that renting honey bee hives may be superfluous in some systems. Monitoring and conserving wild pollinator populations can reduce dependence on managed pollinators.

How should bee conservation programs be designed?

Bee conservation programs should address the needs of the full range of bee species, including managed honey bees and wild native bees. Outside of their native range, honey bees are inappropriate as umbrella or flagship species for the conservation of pollinators. Effective programs should include robust monitoring methods, such as the combination of blue cup traps, scent bottle traps, and Malaise traps demonstrated in the Brazilian Cerrado, and should address the specific habitat and nutritional requirements of target species. Policy engagement, including the implementation of pollinator-friendly policies and the reduction of agrochemical stress, is also essential.

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References and Further Reading

• NCBI Literature Resources. National Center for Biotechnology Information.
• PubMed. National Library of Medicine.
• Rapid plant evolution driven by the interaction of pollination and herbivory.. Science (New York, N.Y.), 2019.
• Bee and non-bee pollinator importance for local food security.. Trends in ecology & evolution, 2023.
• Bee pollination services and the burden of biogeography.. Proceedings. Biological sciences, 2023.
• Honey bee introductions displace native bees and decrease pollination of a native wildflower.. Ecology, 2023.
• Solitary bee behaviour and pollination service delivery is differentially impacted by neonicotinoid and pyrethroid insecticides.. The Science of the total environment, 2023.
• Bee-pollination promotes rapid divergent evolution in plants growing in different soils.. Nature communications, 2024.
• To be on the safe site - Ungroomed spots on the bee's body and their importance for pollination.. PloS one, 2017.
• Wild Bee Visitation Rates Exceed Pollination Thresholds in Commercial Cucurbita Agroecosystems.. Journal of economic entomology, 2020.
• Rapid bee inventories for monitoring changes in Cerrado assemblages: Complementary traps for multiple taxa and trait groups. 2026.
• Native bee richness increases with wildfire burn severity in ponderosa pine forests. 2026.
• Economic Value, Relative Vulnerability and Honeybee Colony Supply-Demand Imbalance in Chinese Agriculture, 2010-2024.. 2026.
• Projecting the vertical disassembly of the bumble bee pollination network of the Southern Rocky Mountains. 2026.
• Pollinator-Friendly Policies in Brazil: History and Future Directions.. 2026.
• Orchid bee diversity responds positively to forest cover and landscape heterogeneity in the Brazilian Savanna.. 2026.
• Flower-bee interaction assessment of roadsides to sustain pollinator richness in northern Argentine Pampas.. 2026.
• Critical links between biodiversity and health in wild bee conservation.. Trends in Ecology & Evolution, 2021.
• How protection of honey bees can help and hinder bee conservation.. Current Opinion in Insect Science, 2021.
• The managed-to-invasive species continuum in social and solitary bees and impacts on native bee conservation.. Current Opinion in Insect Science, 2021.
• Managed foraging for honey and crop pollination-Honey bees as livestock. Foraging Behavior of the Honey Bee Apis Mellifera L, 2023.
• Per-visit pollinator performance and regional importance of wild Bombus and Andrena (Melandrena) compared to the managed honey bee in New York apple orchards. Apidologie, 2016.
• Wild bumble bees reduce pollination deficits in a crop mostly visited by managed honey bees. Agriculture Ecosystems and Environment, 2014.
• Pollination practices and the use of bees in Vaccinium crops. Acta Horticulturae, 2009.

This article is educational and does not replace institutional policy, professional advice, or applicable safety and regulatory requirements.