pollinator News
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Alfa Chemistry: Carboxyl-functionalized Pheromone Plays A Role in Pest Management
After launching alcohol-functionalized pheromones and aldehyde-functionalized pheromones in the previous months, the US-based chemical supplier Alfa Chemistry recently announced the release of carboxyl-functionalized pheromones for researchers worldwide. Over the past cascade, insect pheromones have exhibited intriguing potential in pest management and insect trace track. Serving as effective ...
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Beyond Your Backyard: Little Things That Make the World Go ‘Round
June 22-28 is National Pollinator week. One week to celebrate the little things that make the world go round. What’s all the buzz? Pollinators are a huge group of insects with species that have different life histories, biologies, and needs. They boggle the mind at all that they’re doing right under our noses and we don’t even know a quarter of what that is. Here’s what ...
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Pollinators vital to our food supply under threat
A growing number of pollinator species worldwide are being driven toward extinction by diverse pressures, many of them human-made, threatening millions of livelihoods and hundreds of billions of dollars worth of food supplies, according to the first global assessment of pollinators. However, the assessment, a two-year study conducted and released today by the Intergovernmental ...
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Some plants are more sensitive to herbicides during reproductive stages of life cycle
This study assessed the effects of herbicides on non-target plants in Denmark and Canada. The findings showed that some plants are more sensitive to herbicides in the reproductive stages of their life cycle and can experience delays in flowering and reduced seed production. The authors say future ecological assessments should consider reproductive outcomes. Herbicides are some of the most widely ...
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Rooftop gardens could grow three quarters of city’s vegetables
Rooftop gardens in cities could provide more than three quarters of the vegetables consumed in them, a case study from Bologna, Italy, suggests. If all suitable flat roof space was used for urban agriculture, rooftop gardens in the city could supply around 12 500 tons of vegetables a year whilst also providing a range of ecosystem services, the researchers say. Any unused roof space in a city ...
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Organic mulch lets insect pollinators do their job
As interest in organic agricultural and horticultural practices continues to grow, so does the need to identify alternative weed control practices. Mulching, a common practice used to control weeds and reduce the need for tillage, can also reduce insect pollinators' exposure to harmful pesticides; however, finding the right mulch materials that allow pollinators to flourish can be challenging. ...
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Can new biopesticide protect crops without harming honeybees?
A potential new biopesticide, made of spider venom and snowdrop proteins, kills agricultural pests but shows minimal toxicity to honeybees, new research suggests. Learning and memory of honeybees exposed to the biopesticide were not affected, even at doses higher than they would normally encounter in the environment. Insect pollination is vital for food production; however, there are concerns ...
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European bees are at their best health level in years as overwintering losses of colonies sink to record low
European bees are much healthier than many recent media publications appear to suggest. New field data from nearly 400,000 bee colonies from 21 countries in Europe and the Mediterranean show that overwintering losses of honey bee colonies – an important indicator of general bee health – were at their lowest level in years in 2013/2014. “It is great to see that our bees have ...
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Which seeds to sow for bees?
Farmers could help to maintain populations of bees and other pollinators by sowing inexpensive seed mixes on their land, a new study suggests. Researchers surveyed pollinators visiting study plots in Berkshire, UK, and explored how sowing different seed mixes and using different management techniques affected the flowers produced and the pollinators visiting them. Overall, 84% of the crop ...
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NRDC and Berkeley Food Institute Announce Winners of the 2014 Growing Green Awards
Today, the Natural Resources Defense Council (NRDC) and the Berkeley Food Institute (BFI) celebrate four remarkable leaders who are advancing sustainable food and agriculture at the sixth annual Growing Green Awards. Chosen from hundreds of nominations submitted across the country by a renowned panel of judges, the 2014 winners are changing the way America eats and farms. They have helped ...
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Loss of wild pollinators could substantially reduce soybean yields
Pollination by wild insects and honey bees improves soybean yield by 18%, new research has indicated. This equates to an extra 331.6 kg of seeds per hectare, boosting the value of the global crop by €12.74 billion. Encouraging insect pollination could therefore reduce the destruction of natural ecosystems to make way for soybean cultivation, the researchers say. The soybean is one of the ...
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Bee pollination improves crop quality as well as quantity
Bee pollination improves the shape, weight and shelf-life of strawberries, contributing a staggering €1.05 billion to the European strawberry market per year, new research suggests. By blocking bees from a set of plants, the researchers demonstrated the substantial effects of bee pollination on the quality of the fruit. It is well established that insect pollination increases the quantity ...
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Do agri-environmental schemes benefit insect pollinators?
Agri-environmental schemes (AES) do successfully enhance the number and variety of insect pollinators, research suggests. They are particularly effective when implemented in arable landscapes which also contain some semi-natural habitat. AES were introduced in Europe in the early 1990s in response to declining farmland biodiversity. However, evaluations of their efficacy for biodiversity ...
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Conservation efforts may be paying off for wild plants and insect pollinators
Since the 1990s, rates of biodiversity loss of wild plants and their insect pollinators have slowed down in north-west Europe, according to a recent study. It is likely that conservation activities, such as agri-environmental schemes, have contributed to this improving situation. The loss of wild species and habitats as a result of agricultural intensification and habitat destruction has ...
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Conservation efforts may be paying off for wild plants and insect pollinators
Since the 1990s, rates of biodiversity loss of wild plants and their insect pollinators have slowed down in north-west Europe, according to a recent study. It is likely that conservation activities, such as agri-environmental schemes, have contributed to this improving situation. The loss of wild species and habitats as a result of agricultural intensification and habitat destruction has ...
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Populations of grassland butterflies decline almost 50 % over two decades
Grassland butterflies have declined dramatically between 1990 and 2011. This has been caused by intensifying agriculture and a failure to properly manage grassland ecosystems, according to a report from the European Environment Agency (EEA). The fall in grassland butterfly numbers is particularly worrying, according to the report, because these butterflies are considered to be representative ...
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Parasite-resistant maize developed by Kenyan scientist
Two new varieties of hybrid maize that are resistant to the deadly parasitic Striga weed have been developed by a Kenyan scientist. The weed affects cereal crops in many parts of Africa and is a major cause of crop failure in East Africa, where climate change has been driving its spread in recent years. Mathews Dida, a maize breeder in the school of agriculture and food security at Maseno ...
By SciDev.Net
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Neonicotinoid pesticides are a huge risk – so ban is welcome, says EEA
The European Commission has decided to ban three neonicotinoid insecticides. These chemicals can harm honeybees, according to a large body of scientific evidence, so the European Environment Agency (EEA) commends the precautionary decision to ban them. The three banned insecticides are clothianidin, imidacloprid and thiametoxam. A recent assessment from the European Food Safety Authority also ...
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Loss of wild pollinators would hit crops, finds study
The loss of wild pollinators from agricultural landscapes could threaten global crop yields, a study has found. Led by Lucas Garibaldi, an assistant professor at the National University of Río Negro inArgentina, a team of researchers compared fields containing many wild pollinators — mostly insects — with those containing few. They studied 41 crop systems across all continents ...
By SciDev.Net
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Patches of flowers boost pollinator diversity and lead to higher crop yields
Falling levels of insect pollination are causing declining yields of important agricultural crops. However, new research from South Africa now indicates that planting small patches of native flowers in agricultural fields can be a profitable and sustainable method of increasing pollination and yield. Insect pollination is a vital ecosystem service as animal-pollinated crops form an essential ...
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