Category: Insects

Dry Bean, Faba Bean, Pea, Soybean

May 2, 2023

Alternatives to Lambda-Cyhalothrin for 2023

Lambda-cyhalothrin has been cancelled for all feed uses. This factsheet provides information on insects thresholds and alternative products available. Continue reading →

Go to download: Alternatives to Lambda-Cyhalothrin for 2023
Pea

May 30, 2022

Field Pea Insect and Disease Identification Guide

New! A visual guide to field pea insect and disease pests in Manitoba. Continue reading →

Go to download: Field Pea Insect and Disease Identification Guide
Dry Bean, Soybean

July 6, 2021

Assessing Grasshopper Damage

Pest Species in Manitoba There are 85 grasshopper species in Manitoba, but only four have the potential to become crop pests, including the migratory, twostriped, clearwinged and packard grasshoppers. These species are not to be confused with katydids and leafhoppers, … Continue reading →

Go to download: Assessing Grasshopper Damage
Soybean

June 9, 2021

Insecticide Resistance in Soybean Aphids

John Gavloski, Entomologist, Manitoba Agriculture and Resource Development – Summer (June) 2021 Pulse Beat WITH ANY INSECT, pathogen or weed, repeated exposures to the same chemical will eventually lead to some individuals developing resistance to the chemical. Over time these can … Continue reading →

Go to download: Insecticide Resistance in Soybean Aphids
Faba Bean

March 15, 2021

Faba Bean Insect and Disease Scouting Calendar

This calendar indicates when to scout for faba bean insect and disease pests, along with their potential impact on production. Continue reading →

Go to download: Faba Bean Insect and Disease Scouting Calendar
Soybean

June 8, 2020

How Natural Enemies Respond to Soybean Aphids During High- and Low-Aphid Years

Crystal Almdal and Alejandro C. Costamagna, Department of Entomology, University of Manitoba – Summer (June) Pulse Beat 2020 Soybean aphids are an invasive species and major pest with the potential to reduce soybean yields up to 40%. The soybean aphid … Continue reading →

Go to download: How Natural Enemies Respond to Soybean Aphids During High- and Low-Aphid Years
Dry Bean, Pea, Soybean

December 10, 2019

2019 Review of Insects in Pulse and Soybean Crops in Manitoba

While doing general field scouting of pulse and soybean crops, it is not unusual to find a lot of insects in the fields. Continue reading →

Go to download: 2019 Review of Insects in Pulse and Soybean Crops in Manitoba
Dry Bean

December 6, 2019

Dry Bean Insect and Disease Scouting Calendar

A timeline that indicates when to scout for dry bean insect and disease pests, and their impact on production and quality. Continue reading →

Go to download: Dry Bean Insect and Disease Scouting Calendar
Pea

December 6, 2019

Field Pea Insect and Disease Scouting Calendar

A timeline that indicates when to scout for field pea insect and disease pests, and their impact on production and quality. Continue reading →

Go to download: Field Pea Insect and Disease Scouting Calendar
Dry Bean, Pea, Soybean

June 11, 2019

Cutworms in Pulse and Soybean Crops

How to scout for and manage cutworms in pulse and soybean crops. When to scout, what to look for and when to pull the trigger. Continue reading →

Go to download: Cutworms in Pulse and Soybean Crops
Dry Bean, Pea, Soybean

May 28, 2019

Scouting for Early Season Insects

There are generally few early season insects we need to worry about in pulse and soybean crops grown in Manitoba. These include wireworms, seedcorn maggot and cutworms. Of these insects, insecticide seed treatment will provide potential control of only wireworms … Continue reading →

Go to download: Scouting for Early Season Insects
Faba Bean, Pea

April 3, 2019

Pea Leaf Weevils

Life Cycle of the Pea Leaf Weevil In spring, pea leaf weevil adults fly in from overwintering sites (perennial legume crops) to their host crops, peas and faba beans. Once they start feeding on these host crops, they begin laying … Continue reading →

Go to download: Pea Leaf Weevils
Pea

March 29, 2019

Scouting for Pea Aphids

Identification Pea aphids are a sporadic pest of field peas, faba beans and lentils in Manitoba that overwinter in perennial legumes. Once hatched, adults may fly to neighbouring pea crops. Pea aphids tend to feed on the newest leaf tissue … Continue reading →

Go to download: Scouting for Pea Aphids
Soybean

March 27, 2019

Two-Spotted Spider Mites

Two-spotted spider mites (Tetranychus urticae) can be a sporadic pest of soybeans and dry beans in Manitoba. They prefer hot, dry weather and may appear from July to August, if conditions are favourable. Infestations usually begin at field edges and … Continue reading →

Go to download: Two-Spotted Spider Mites
Pea

March 22, 2019

Disease and Insect Identification Guide

Visual disease and insect identification guide with scouting calendar. Continue reading →

Go to download: Disease and Insect Identification Guide
Soybean

March 8, 2019

Risk Assessment of Wireworms in Manitoba Fields

Wireworms and recent on-going research in Manitoba for this pest. Continue reading →

Go to download: Risk Assessment of Wireworms in Manitoba Fields
Soybean

March 8, 2019

Soybean Seed Treatments: Assessing Your Risk

The following risk assessment was developed to help farmers and agronomists identify where seed treatments are most likely to be beneficial by describing the factors that influence soil insect populations and fungal pathogens. Continue reading →

Go to download: Soybean Seed Treatments: Assessing Your Risk
Soybean

July 13, 2018

Soybean Aphids: Identification, Scouting and Management

Your one-stop shop for all things soybean aphid, based on the most recent and relevant research findings.

Go to download: Soybean Aphids: Identification, Scouting and Management