Insects

The links below will provide information on identification and monitoring of potentially damaging and beneficial insects in crops grown in Manitoba. You'll also find information on various types of control methods, as well as protocols and results for some insect monitoring programs.

Field Scouting Guide

Beneficial Insects

Field Crop Insects

Generalists (feed on many crops)
Cutworms in Field Crops Grasshoppers	Lygus Bug Thistle Caterpillar	Wireworms

Canola
Bertha Armyworm Cabbage Maggot	Diamondback Moth Flea Beetles on Canola & Mustard	Red Turnip Beetle

Cereal Crops and Grain Corn
Aphids on Cereals Armyworms European Corn Borer	Hessian Fly Wheat Midge Monitoring Wheat Midge With Sticky Traps	Wheat Stem Maggot Wheat Stem Sawfly

Sunflowers
Banded Sunflower Moth Lygus Bug on Sunflowers Sunflower Beetle	Sunflower Bud Moth Sunflower Maggots Sunflower Midge	Sunflower Seed Weevils Sunflower Stem Weevils

Insects on Stored Grain

Insects and Mites in Farm-Stored Grain

Potential Invasive Insects

Priority Invasive and Migratory Insects to Report - Prairie Region

Vegetable Crop Insects

Generalists (feed on many vegetables)
Aster Leafhoppers and Aster Yellows	Cabbage Maggot

Onions

Onion Maggots

Potatoes

Colorado Potato Beetle

Colorado Potato Beetle - Reducing Insecticide Resistance

Fruit Crop Insects

Generalists (feeding on many fruit crops)
Aphids on fruit crops Chokecherry Gall Midge Leafhoppers on fruit crops	Leafrollers on fruit crops Mites on fruit crops Seasonal Occurrence of Common Insect Pests of Fruit Crops	Spotted Winged Drosophila Yellowjacket Wasps

Raspberries
Raspberry Crown Borer	Raspberry Fruitworm	Raspberry Sawfly Raspberry Pollinators and Visitors: Focus on Bees (PDF 2MB)

Saskatoons
Apple Curculio Cherry Shoot Borer Galls (on saskatoon and chokecherry)	Hawthorn Lace Bug (on saskatoons) Round-Headed Apple Tree Borer Saskatoon Bud Moth	Saskatoon Sawfly and chokecherry sawfly Tent Caterpillars on saskatoons Wooly Elm Aphid

Strawberries
Aphids on strawberries Clipper Weevil on strawberries Crown Borers on strawberries Leafrollers on strawberries	Root Weevils on strawberries Strawberry Insect Pests: Scouting Methods and Economic Spraying Thresholds Slugs on strawberries Spittlebugs on strawberries	Strawberry Clipper Weevils Strawberry Cutworm Tarnished Plant Bug on strawberries Thrips on strawberries Strawberry Pollinators and Visitors: Focus on Bees (PDF 1MB)