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Ground-nesting bees exposed to imidacloprid pesticide produced fewer offspring

Ground-nesting bees exposed to imidacloprid pesticide produced fewer offspring
An insecticide used to control pest infestations on squash and pumpkins significantly hinders the reproduction of ground-nesting bees valuable pollinators for many food crops, a new University of Guelph study has revealed.
This first-ever study of pesticide impacts on a ground-nesting bee in a real-world context found female hoary squash bees exposed to imidacloprid dug 85 per cent fewer nests, collected less pollen from crop flowers and produced 89 per cent fewer offspring than unexposed bees.
Because they re not making nests and not collecting pollen, they cannot raise offspring, said Dr. Susan Willis Chan, a post-doc in the School of Environmental Sciences (SES), who conducted the study with Dr. Nigel Raine, holder of the Rebanks Family Chair in Pollinator Conservation in SES. That means imidacloprid-exposed populations are going to decline. ....

United States , Nigel Raine , Susan Willis Chan , Emily Henderson , University Of Guelph , School Of Environmental Sciences , Environmental Sciences , Rebanks Family Chair , Pollinator Conservation , North America , Scientific Reports , ஒன்றுபட்டது மாநிலங்களில் , நைகல் மழை , சூசன் வில்லிஸ் சான் , எமிலி ஹென்டர்சன் , பல்கலைக்கழகம் ஆஃப் க்ல்ஃப் , பள்ளி ஆஃப் சுற்றுச்சூழல் அறிவியல் , சுற்றுச்சூழல் அறிவியல் , பாலிநேடர் பாதுகாப்பு , வடக்கு அமெரிக்கா , அறிவியல் அறிக்கைகள் ,

Popular insecticide used on farms across Canada has dire effects on ground-nesting bees, new research suggests

Popular insecticide used on farms across Canada has dire effects on ground-nesting bees, new research suggests
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Nigel Raine , Susan Willis Chan , Komie Hossini , Keith Currie , Rural Affairs , Ontario Ministry Of Agriculture , University Of Guelph , Health Canada , Canadian Federation Of Agriculture , Scientific Reports , Ontario Ministry , Canadian Federation , நைகல் மழை , சூசன் வில்லிஸ் சான் , கேய்ட் கியூரி , கிராமப்புற வாழ்க்கைத்தொழில்கள் , பல்கலைக்கழகம் ஆஃப் க்ல்ஃப் , ஆரோக்கியம் கனடா , அறிவியல் அறிக்கைகள் , ஆஂடேரியொ அமைச்சகம் , கனடியன் கூட்டமைப்பு ,

Insecticide Decimating Popular Pollinator, the Squash Bee, Ontario Research Suggests

Insecticide Decimating Popular Pollinator, the Squash Bee, Ontario Research Suggests
A popular insecticide used on farms across Canada has been shown to have dire effects on ground-nesting bees, according to new research from the University of Guelph.
Female hoary squash bees, workhorse pollinators on pumpkin and squash farms, dug 85 percent fewer nests when exposed to crops treated with the neonicotinoid insecticide imidacloprid, the research indicates. Those bees also collected significantly less pollen and produced 89 percent fewer offspring, the study shows.
“These populations just plummet,” said lead author Susan Willis Chan, a post-doctoral fellow at the school.
The study, published recently in Scientific Reports, is the first of its kind to look at ground-nesting bees in a real-world setting, the researchers said. ....

Susan Willis Chan , Komie Hossini , Keith Currie , Rural Affairs , Ontario Ministry Of Agriculture , University Of Guelph , Health Canada , Canadian Federation Of Agriculture , Scientific Reports , Ontario Ministry , Canadian Federation , சூசன் வில்லிஸ் சான் , கேய்ட் கியூரி , கிராமப்புற வாழ்க்கைத்தொழில்கள் , பல்கலைக்கழகம் ஆஃப் க்ல்ஃப் , ஆரோக்கியம் கனடா , அறிவியல் அறிக்கைகள் , ஆஂடேரியொ அமைச்சகம் , கனடியன் கூட்டமைப்பு ,

Pesticide imidacloprid threatens future for key pollinator

Credit: Dr. Nigel Raine/ University of Guelph
An insecticide used to control pest infestations on squash and pumpkins significantly hinders the reproduction of ground-nesting bees valuable pollinators for many food crops, a new University of Guelph study has revealed.
This first-ever study of pesticide impacts on a ground-nesting bee in a real-world context found female hoary squash bees exposed to imidacloprid dug 85 per cent fewer nests, collected less pollen from crop flowers and produced 89 per cent fewer offspring than unexposed bees.
Because they re not making nests and not collecting pollen, they cannot raise offspring, said Dr. Susan Willis Chan, a post-doc in the School of Environmental Sciences (SES), who conducted the study with Dr. Nigel Raine, holder of the Rebanks Family Chair in Pollinator Conservation in SES. That means imidacloprid-exposed populations are going to decline. ....

United States , Nigel Raine , Susan Willis Chan , Ontario Ministry Of Agriculture , University Of Guelph , Ontario Ministry Of The Environment , Natural Sciences , School Of Environmental Sciences , Weston Family Foundation , Rural Affairs , Engineering Research Council , Ontario Fresh Vegetable Grower Association , Environmental Sciences , Rebanks Family Chair , Pollinator Conservation , North America , Scientific Reports , Ontario Ministry , Weston Family , ஒன்றுபட்டது மாநிலங்களில் , நைகல் மழை , சூசன் வில்லிஸ் சான் , பல்கலைக்கழகம் ஆஃப் க்ல்ஃப் , ஆஂடேரியொ அமைச்சகம் ஆஃப் தி சூழல் , இயற்கை அறிவியல் , பள்ளி ஆஃப் சுற்றுச்சூழல் அறிவியல் ,

Environmental News Network - Pesticide Threatens Future for Key Pollinator: U of G Study

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An insecticide used to control pest infestations on squash and pumpkins significantly hinders the reproduction of ground-nesting bees valuable pollinators for many food crops, a new University of Guelph study has revealed.
An insecticide used to control pest infestations on squash and pumpkins significantly hinders the reproduction of ground-nesting bees valuable pollinators for many food crops, a new University of Guelph study has revealed.
This first-ever study of pesticide impacts on a ground-nesting bee in a real-world context found female hoary squash bees exposed to imidacloprid dug 85 per cent fewer nests, collected less pollen from crop flowers and produced 89 per cent fewer offspring than unexposed bees. ....

Nigel Raine , Susan Willis Chan , Nigel Raine University Of Guelph , University Of Guelph , School Of Environmental Sciences , Environmental Sciences , Rebanks Family Chair , Pollinator Conservation , Photo Credit , நைகல் மழை , சூசன் வில்லிஸ் சான் , நைகல் மழை பல்கலைக்கழகம் ஆஃப் க்ல்ஃப் , பல்கலைக்கழகம் ஆஃப் க்ல்ஃப் , பள்ளி ஆஃப் சுற்றுச்சூழல் அறிவியல் , சுற்றுச்சூழல் அறிவியல் , பாலிநேடர் பாதுகாப்பு , புகைப்படம் கடன் ,