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Clumps of grasshoppers, killed by a fungus, are scattered throughout a field.
Crops, News

Weird pest phenomena a boon for farmers

They might sound creepy, but aphid ‘mummies’ and ‘summit disease’ are signs friendly fungi, insects are at hand

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For once, it’s not a bad thing if the mummy returns – unless you’re an aphid. In 2022, pea aphids plagued many Manitoba farmers, said John Gavloski, entomologist with Manitoba Agriculture. Aphids on soybeans also hit economic levels, particularly in the central, east and Interlake regions. “Some people were caught in a dilemma,” Gavloski told
Two striped grasshopper with wing buds.
Crops

Now is the time to scout for grasshoppers

Early identification and control can prevent damage, reduce costs

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Manitoba Agriculture entomologist John Gavloski says 2022 might be a good year to bone up on grasshopper identification. “We’ve been over this in the past, but being a grasshopper year, it doesn’t hurt to refresh on grasshopper ID,” he said. Grasshopper nymph feeding damage has been reported in many crops in the southwest and central
Grasshopper eggs.
Crops, News

Don’t count your silver linings before they’re hatched

Cool, wet conditions may slow grasshopper emergence, but it’s unlikely to make a dent in this year’s populations

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Farmers who think they might get a reprieve from the grasshopper problems they’ve had in recent years, because of the excessive rainfall in April and May, may need to temper those expectations, warns Manitoba Agriculture entomologist, John Gavloski. “A lot of people make the assumption that if there’s a lot of standing water in the
Flea beetles in canola seedlings. (Canola Council of Canada video screengrab via YouTube)
Crops, Weather

Eastern Prairies’ wet conditions may curb insect pest risk

Late-seeded crops may germinate more quickly in warmer soils

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MarketsFarm — If there could be one benefit to the excessive moisture across much of southern Manitoba and the Interlake region, that would be a potentially reduced risk for insect pests, according to John Gavloski, entomologist for Manitoba Agriculture, Food and Resource Development. For example, Gavloski cited flea beetles, which could damage canola. “If [canola]
“We have seen some progression over the last few years towards higher levels. I expect that to continue, but it’s too early to say how much higher that will be.” – John Gavloski.
Crops, News

Crunching the numbers on grasshoppers

For all the attention grasshoppers have got, initial numbers have shown very variable populations

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It’s not hard to find a farmer who had a grasshopper horror story this year — in fact, some of them have made international headlines, in conjunction with Manitoba’s drought — but now it’s time for the annual count. Provincial entomologist John Gavloski is once again gathering numbers on Manitoba’s grasshopper population. Results from the
Two pest species, the clear-winged grasshopper (left) and two-striped grasshopper have caused damage for farmers this year.
Crops, News

Grasshoppers in Manitoba are hungry, and plentiful

After a string of dry summers helping their populations, producers are encouraged to scout for pest grasshoppers

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Manitoba’s pest grasshopper species are out, and with the heat and dry weather they’re having a good time. “There’s some control currently going on,” provincial entomologist John Gavloski said. “A lot of it is edge spraying, so people doing their ditches and their field edges, but there has been some full-field spraying.” Why it matters:
Cutworms. (Photo courtesy Canola Council of Canada)
Crops, Weather

Prairie growers on lookout as insects seize opportunity

Dry conditions, delayed seeding lift pest counts

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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
Wolf spiders, robber flies, coyotes and burrowing owls are happy to dine on grasshoppers.
Crops

Predators line up for grasshoppers

Grasshoppers might be voracious — but so are the many things that consume them

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Farmers fear grasshoppers because, according to legend, they eat everything. There’s a flip side to this and farmers can use it to their advantage. In the grand scheme of Prairie ecology everything eats grasshoppers. “They do have a positive side,” Dan Johnson of the University of Lethbridge told the Manitoba Agronomists Conference earlier this winter.
Prairie pest report says grasshopper risk low
Crops

Prairie pest report says grasshopper risk low

This despite general upward trend in the populations across Manitoba and Saskatchewan

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This year’s grasshopper threat remains light to very light across Manitoba, according to survey data released by the Prairie Pest Monitoring Network on April 27. The data is based on surveys done in 2019. These included nearly 3,200 grasshopper counts across the Prairie provinces between May 1 and August 31. Maps in the report show

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