Reading Time: 3 minutes Carabid beetles, also known as ground beetles, are routinely overlooked as an important weed control agent, says Christian Willenborg, associate professor and head of the Department of Plant Sciences at the University of Saskatchewan. “In Western Canada, we don’t really have a feeling that carabids are making a dent in our weed seed populations, but […] Read more
Free weed control? Tell me more!
A researcher says Canadians should follow the European lead in helping beneficial insects to chow down on weed seeds
Protect the mighty Microgastrinae
More and more, we’re learning that farmers can save a lot of money in both the short and long term by taking advantage of opportunities to help the insect world police itself
Reading Time: 5 minutes Hector Carcamo was in a southern Alberta canola field in 2018 sweep-netting for cabbage seedpod weevils when what did he find? Little black wasps. Lots of them. Same thing in the next sample site. And then the next. Field to field. “We were consistently finding them. With every set of sweeps we found three, five, […] Read more
Seven beneficial insects on your farm
When making crop production management decisions, consider beneficial insect populations. These harmless bugs can provide adequate control if their populations are high enough. Some beneficial insects are hard to identify, but with some basic training producers should be able to spot them in the field. The following beneficial insects are found in most crops in[...]
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Some soybean aphids showing up so scout your fields
Reading Time: 2 minutes Soybean aphids are being found in some soybean fields near Portage la Prairie and some fields have been sprayed, while others are being monitored, Red Beard Farms aerial applicator Chris McCallister said in an interview July 27. The threshold for applying an insecticide to control soybean aphids is 250 and rising. The “rising” part is[...]
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Give your insect friends a home
Leaving some non-crop areas with a diverse range of perennial vegetation can save you money on insecticide
Reading Time: 4 minutes What do shelterbelts, pivot corners and field margins have in common? No, they’re not unprofitable or “wasted” areas. As natural habitats for beneficial insects, including pollinators and predators of crop pests, those non-cropped areas may be worth their square footage in gold. Alejandro Costamagna, an assistant professor in the University of Manitoba’s department of entomology,[...]
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Be kind to your insect friends
Of the thousands of insect species around your fields, only a few damage crops. Here’s a guide to identifying and protecting the good bugs that eat the bad ones
Reading Time: 2 minutes It can be worrying to see insects crawling over your nicely developing crop, but are they doing any damage? And even if they are, before ordering the insecticide, will spraying kill the good bugs that are already at work controlling the bad ones, not to mention other insects that are important for pollination? While killing[...]
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PHOTOS: A guide to beneficial insects
Reading Time: < 1 minute There are thousands of insect species in the fields across Canada. But how can you tell which are the beneficial insects and which bugs are trouble? Here’s a quick guide to help you identify and protect the good bugs that prey on the bad ones. This guide is also available on the Manitoba Agriculture website at www.gov.mb.ca/agriculture[...]
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Help the insects eat each other
Insecticides don’t just kill the bad bugs — they also kill their enemies
Reading Time: 4 minutes Terry Young has never sprayed for insects. “I’ve had the odd bertha and lygus in my canola and wheat midge in my wheat, but they haven’t been an issue for as long as I’ve been farming, which is 30-plus years now,” he says. Young farms at Lacombe, which is one of the most productive agricultural[...]
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Beneficial insects can fight in your corner, if you let them
A new field guide will be available both electronically and in print in time for you to use through the upcoming crop year
Reading Time: 6 minutes Farmers are only hurting themselves if they aren’t giving a helping hand to the natural allies in the fields that can assist them in controlling pests. Nature not only provides, as the old proverb says. Research proves that it also pays. In fact, new research even tells us how much it pays. Natural pest suppression[...]
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A message from April Stewart, Country Guide's Associate Editor
