Daily Network News

More News →

Tag Archives insects

Diamondback hit the eastern part of the province and the Interlake hardest last year.
Crops, News

Intermittent pests played role last season

Most of these insects only arrive in numbers if the conditions line up

By
Although grasshoppers and flea beetles were last season’s major insect pests in Manitoba, there were a few other players that caused significant trouble on a regional scale. Many farmers in different parts of the province had diamondback moth and cereal aphids blow in with the winds. Others had trouble with alfalfa weevils and lygus bugs.
Western corn rootworm larvae undermine the roots of corn plants, but rotation disrupts their life cycle.
Crops

Two new pest insects found in province

By

ENTOMOLOGY | Manitoba reported the first-ever cases of western corn rootworm and cannabis aphid this year

There are two new pest insects in Manitoba, according to provincial entomologist John Gavloski. A seasonal summary of the year’s crop pests, released in mid-November, noted Manitoba’s first cases of western corn rootworm and cannabis aphid in 2021. Why it matters: Manitoba can add two new insects onto the pest radar after this year. While
Varroa mites feeding on honeybee pupae.
News

Bees hit with pesky symptoms

Atypical weather this year impacted pest management for beekeepers

By
While an extended season has been a boon for the honey sector, experts say it may have also played into the varroa mite issues that have plagued some operations. Ian Steppler, chair of the Manitoba Beekeepers’ Association, said producers reported higher mite counts this year, requiring treatment. Infestations of the parasite are associated with weak
A Lygus bug crawls on a green canola pod.
Crops

Re-thinking Lygus bug thresholds

Producers may want to ease off Lygus bug control in lower populations

By
Canola growers should be keeping a different threshold in mind when it comes to gauging damage from Lygus bugs. Provincial entomologist John Gavloski says the most recent research on Lygus bug damage pegs a threshold of 20 to 30 bugs per 10 sweeps of the scouting net, much higher than previously considered. “It is something
Alfalfa looper larva. (CanolaCouncil.org)
Crops

U.S. to ban use of chlorpyrifos on food crops

Cancellation already scheduled for most outdoor use in Canada

By ,
UPDATED, Aug. 25 –– Chicago | Reuters — The U.S. Environmental Protection Agency on Wednesday said it will ban the use on food crops of chlorpyrifos insecticide, which has been linked to health problems in children. The decision is a victory for environmental activists who have fought to stop the use of the chemical that
Cereal leaf beetle larvae may leave long, white streaks on cereals, forage grasses and some grassy weeds.
Crops

AAFC wants your cereal leaf beetles

Agriculture and Agri-Food Canada has put out a call for samples to monitor biocontrol on the insect

By
Agriculture and Agri-Food Canada (AAFC) is asking farmers to keep an eye out for feeding damage and “shiny, slug-like creatures” on cereals, potential markers of cereal leaf beetle larvae.  “We need samples to monitor the biocontrol insect that kills this pest,” said Dr. Haley Catton. If found, AAFC is asking farmers to send them samples
June bugs are an important food source for many other insects.
Comment, Op/Ed

Comment: June bugs. The ‘crouton of the sky’

Widely thought a pest, these creatures deserve a second look

By
Many people grit their teeth in anticipation of the arrival of June bugs. You might already have had your first run-in with one. Perhaps you heard one clumsily bounce off your window? Maybe you saw one loop around the porch light? Possibly, you felt one tangle its six sticky legs into your hair? June bugs,
Editorial, Op/Ed

Editor’s Take: Crop protection under fire

By
It’s shaping up to be a tough year on the crop-protection front. I don’t mean pests, diseases and weeds. For any producer, those are perennial challenges that will wax and wane with weather and pest pressure. I speak instead of the regulatory and legal fronts, where as you will read in our May 27 issue,
Cutworms. (Photo courtesy Canola Council of Canada)
Crops, Weather

Prairie growers on lookout as insects seize opportunity

Dry conditions, delayed seeding lift pest counts

By ,
MarketsFarm — With most Prairie growers’ newly seeded crops already up against dry conditions, growers remain on the lookout for insects which further threaten the health of those seedlings. Considering the high prices of many crops this season, the potential damage would be more costly. John Gavloski, entomologist for Manitoba Agriculture, said there is a
Flea beetles.
Crops, News, Other

The four horsemen of the crop-pocalypse

Three of the big four crop pests could be poised for a comeback in the coming season

By
Four pests caused the most problems last season, and given the right spring conditions, three are poised to return. That’s according to John Gavoloski, provincial entomologist, who says farmers should head into spring watching the weather and with their eyes open. “If I had to predict which three pests farmers could be at a higher

AgCanadaTV

AgCanadaTV: In case you missed it; your national ag news recap for March 27, 2026

Sponsored by:
More Videos →

Latest Market News

More Market News →