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Tag Archives Neonicotinoid

Flea beetles were aggressive feeders in 2019, leading to multiple spray passes for some farmers.
Crops

Year in review: Keep an eye out for these critters in 2020

Entomologist John Gavloski says these should be on your radar

By
Based on what went on in Manitoba fields this past season, producers may want to be on the lookout for several insects in 2020 that could potentially make a reappearance. At the top of the list are flea beetles, cutworms and grasshoppers, according to Manitoba’s provincial entomologist, John Gavloski. Speaking at the recent Manitoba Agronomists
Honeybees can’t rid themselves of deadly mites as effectively after neonic exposure, researchers say.
Did you know?, News

Neonics leave bees vulnerable to mites, study shows

The pesticides are shown to affect bees’ ability to groom themselves

By
Neonicotinoid pesticides affect honeybees’ ability to groom and rid themselves of deadly mites, a University of Guelph study has revealed. The research comes as Health Canada places new limits on the use of three key neonicotinoids while it decides whether to impose a full phase-out of the chemicals. Neonics are the most commonly used insecticides
Older products like DDT, seen here in an advertisement from a 1948 issue of Saturday Night magazine, have routinely been replaced by newer and safer products.
Crops, News

Regulatory process improving safety

Older, less safe products have always been phased out for newer, safer ones. The latest issue with neonics is nothing new

By
The reality of chemical controls is always going to be that relatively speaking they’re a blunt tool. But that also means they’re going to be under scrutiny to ensure their safety. And the safety track record of these products is getting better and better by the season, according to John Gavloski, provincial entomologist. “In an
Editorial, Opinion, Other

Editorial: Right questions, wrong answers

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Reaction from farmers was swift to last week’s announcement by the Pest Management Regulatory Agency (PMRA) that it plans to phase out most uses of neonicotinoids in Canada over the next three to five years. Shock, confusion and anger pretty much sum it up. Some said that if this relatively new class of products is
News

Health Canada proposes some neonic restrictions

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Health Canada is proposing some restrictions on the use of three neonic pesticides for horticultural production but they would still be registered for use on field crops such as corn and soybeans. Meanwhile the department will continue working with the U.S. Environmental Protection Agency and the State of California on the impact of the pesticides
Predators, such as (A) an Orius nymph, (B) Asian lady beetle, (C) aphid midge larva, and (D) parasitic wasps typically suppress early-season infestations of soybean aphid.
Crops, Oilseeds

U.S. study questions neonics for soybean aphid control

The effectiveness of the insecticide has diminished by the time the plants 
are at the stage when the insects arrive

By
A multi-university study says that neonicotinoid insecticide seed treatments have little effect on soybean aphid populations, as the pesticide has disappeared in plant tissue by the time the aphids arrive. The two-year study was a joint effort of Purdue University, Iowa State University, Kansas State University, North Dakota State University, the University of Minnesota, South
Frontal view of a Colorado potato beetle.
Crops, News

What’s the future of Colorado potato beetle control?

Neonics may be losing the beetle battle. What are the alternatives?

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An old pest is becoming a new problem, according to Tracy Shinners-Carnelley, director of research and quality enhancement for Peak of the Market. Shinners-Carnelley was at Manitoba Potato Production Days in January to discuss Colorado potato beetle (CPB) control options as neonicotinoid seed treatments begin to lose effectiveness against the potato’s ancient enemy. Since the
Flying bee
News

Neonic replacement not popular with farmers or beekeepers

They’re too expensive, ineffective and still harmful to bees, to cite just some of the concerns expressed

By
A proposed replacement for a key neonicotinoid pesticide is proving unpopular with everyone — including farmers and beekeepers. Farmers adopted neonic pesticides because they were safer and didn’t damage the environment as older pesticides did. With one of the three used in Canada being phased out, the search for replacements is on. Mark Brock, chairman
Bee deaths appear to be declining during planting season thanks to protective measures.
Crops, News

Bee death reports continue decline: Health Canada

Neonic pesticides have been widely blamed for these losses but the reality is much more complex

By
Measures to protect pollinators from pesticide residues in dust generated by corn, soybean and canola planting have continued to reduce bee deaths during the planting season, says Health Canada. Following the introduction of the measures in 2014, the number of bee death incidents have remained well below the high levels of 2012 and 2013, the
The rusty patched bumblebee is noted for the bright-brown patch on its abdomen.
News

U.S. lists first bumblebee species as endangered

The species is just one of 47 in the U.S. and Canada, a quarter of which are considered at risk of extinction

By
The rusty patched bumblebee, a prized but vanishing pollinator once familiar to much of North America, was listed Jan. 10 as an endangered species, becoming the first wild bee in the continental United States to gain such federal protection. One of several species facing sharp declines, the bumblebee known to scientists as Bombus affinis has

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