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Birds, bees and butter -- new study shows biodiversity critical for shea crop in Africa

A new study by Trinity College Dublin reveals that a diverse range of trees and shrubs in West African parkland habitats supports fruit production and pollination services, ultimately benefiting the shea crop and local communities. The findings have important implications for managing this critical crop and conserving pollinators.

SourceTrinity College Dublin·JournalJournal of Applied Ecology·DateMay 26, 2020

When plant pollen scarce, bumblebees biting leaves causes flowers to bloom early

A new study reveals that bumblebees bite leaves of flowerless plants to accelerate flowering, causing blooms to occur two weeks to a month earlier. This behavior suggests that bumblebees can manipulate plant flowering through deliberate damage, providing pollination systems with more plasticity and resilience to climate change.

Pollination is better in cities than in the countryside

A study by the German Centre for Integrative Biodiversity Research found that flowering plants are better pollinated in urban areas than in rural regions. Bees, particularly bumblebees, played a crucial role in this process. The researchers recommend considering the needs of bees when planning green spaces in both cities and countryside.

Prescribed burns benefit bees

Research from North Carolina State University found that freshly burned longleaf pine forests have more bees and bee species than unburned forests. The study suggests that prescribed fires maintain a favorable environment for pollinators by reducing ground cover and releasing nutrients, increasing flower resources.

SourceNorth Carolina State University·JournalEnvironmental Entomology·DateJan 29, 2020

Insecticides are becoming more toxic to honey bees

Researchers found that neonicotinoid seed treatments have driven a significant increase in insecticide toxicity to honey bees, particularly oral-based toxic loads, which rose by 9-fold across the US. The study highlights the need for mitigation and conservation efforts in regions with high levels of insecticide use.

SourcePenn State·JournalScientific Reports·DateJan 21, 2020

Cities are key to saving monarch butterflies

Two new studies suggest that planting milkweed in cities could support 15-30% of the 1.8 billion stems needed to save Monarch butterflies. Urban areas offer a vast potential for creating habitat, with residential yards and low-quality green spaces being particularly valuable targets.

SourceField Museum·JournalFrontiers in Ecology and Evolution·DateJun 21, 2019

Unique look at combined influence of pollinators and herbivores reveals rapid evolution of floral traits in plants

A new study finds that abundant herbivores diminish plants' attractiveness to pollinators but increase energy spent on producing offspring through autonomous self-pollination. Plants rapidly evolve defensive traits, like toxic compounds, to ward off herbivores while maintaining floral displays attractive to pollinators.

Pollinators need people

Research reveals that supporting local communities with cultural, spiritual, and economic connections to pollinators is key to effective conservation. The study suggests that policies like biocultural conservation can foster pollinator protection and sustainable management of resources.

SourceJames Cook University·JournalNature Sustainability·DateMar 11, 2019

Diverse scents of woodland star wildflowers driven by coevolution with pollinators

A study of woodland star wildflowers found remarkable diversity in their scent compounds, with many species and populations producing unique floral bouquets to attract insect pollinators. The findings suggest that natural selection has shaped the biochemistry of floral scents in different ways among different populations.

SourceUniversity of California - Santa Cruz·JournalProceedings of the National Academy of Sciences·DateFeb 11, 2019

The secret to better berries? Wild bees

A study led by University of Vermont scientists reveals that wild bees are essential for larger and better blueberry yields, providing major benefits including greater berry size, quantity and earlier harvests. Maintaining natural bee habitat and reducing pesticide use can help protect wild bees.