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Flowering plants such as alfalfa provide a home for beneficial insects such as parasitic wasps that can control diamondback moth, wheat midge, aphids and Hessian flies.
Crops

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

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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 […] Read more
Parasitoids of potential pest insects Insects that parasitize and kill other insects are called parasitoids. In their immature stages these parasitoids live in or on the body of another insect (the host), but they are free-living as adults. Many of the parasitoids of insects in Manitoba are either wasps or flies. Parasitic wasps do have what looks like a stinger, but they use this to lay eggs in the insects that they are parasitizing, and will not sting people.
Crops

PHOTOS: A guide to beneficial insects

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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 […] Read more

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