2021 Manitoba Insect Summary

Manitoba Agriculture has released its Insect Summary for 2021.

Below is the report summary:

Flea beetles in canola and grasshoppers, in many crops, were major insect concerns in 2021.

Diamondback moth was a concern in canola in some regions from mid-July to mid-August.

Alfalfa weevil was a concern in alfalfa fields in some regions in mid- and late-June.

Aphids were abundant in small grains in some regions from late-June to late-July, although in some of these fields natural enemies were also abundant.

Western corn rootworm and cannabis aphid were found in Manitoba for the first time.