Insects

Invasive Insect Pests | Horticultural Crops | Field Crops |

Invasive Insect Pests

• Asian Longhorned Beetle
• Emerald Ash Borer

Horticultural Crops

| Apples | Berries | Tender Fruit | Grapes |
| Greenhouse Crops | Nursery | Turf | Vegetables |

Apples

| General | Root Feeding Insects | Leaf Feeding Insects |
| Bark and Trunk Boring Insects |
| Fruit Feeding or Damaging Insects | Beneficial Insects |

General

• Basic Insect and Disease Control for Apples
• Insect and Mite Pests of Apple in Ontario (Order No. 92-051)

Root Feeding Insects

• Sampling Soil and Roots for Plant Parasitic Nematode (Order No. 06-099)
• Woolly Apple Aphid

Leaf Feeding Insects

• Apple Scab
• Scab-Resistant Cultivars
• Green Apple Aphid
• Rosy Apple Aphid
• Mite Pests and Their Predators
• Mullein Bug
• Obliquebanded Leafroller
• White Apple Leafhopper and Potato Leafhopper
• Spring-Feeding Caterpillars
• Spotted Tentiform Leafminer

Bark and Trunk Boring Insects

• Apple Borers
• Scale Insects
• Scale Insect Pests of Tree Fruit (Order No. 90-120)
• Woolly Apple Aphid

Fruit Feeding or Damaging Insects

• Apple Maggot
• Apple Scab
• Scab-Resistant Cultivars
• Codling Moth
• European Apple Sawfly
• Spring-Feeding Caterpillars
• Tarnished Plant Bug and Other Stinging Insects
• White Apple Leafhopper and Potato Leafhopper

Beneficial Insects

• Beneficial Insects and Mites for Apples
• Beneficial Insects in Tree Fruit Orchards in Southern Ontario (Order No. 96-029)
• Predatory Mite Biology
• Soil Beneficials

Berries

| Leaf Feeding Insects | Fruit Feeding or Damaging Insects |

Leaf Feeding Insects

Fruit Feeding or Damaging Insects

• Blueberry Maggot in Ontario
• Strawberry Clipper Weevil: A Major Pest of Strawberry (Order No. 99-031)
• Tarnished Plant Bug - A Major Pest of Strawberry (Order No. 92-108)
• Sampling Soil and Roots for Plant Parasitic Nematode (Order No. 06-099)

Tender Fruit

| General | Leaf Feeding Insects | Bark and Trunk Boring Insects | Fruit Feeding or Damaging Insects |
| Beneficial Insects |

General

Leaf Feeding Insects

Bark and Trunk Boring Insects

• Scale Insect Pests of Tree Fruit (Order No. 90-120)

Fruit Feeding or Damaging Insects

Beneficial Insects

• Beneficial Insects in Tree Fruit Orchards in Southern Ontario (Order No. 96-029)

Grape

| General | Leaf Feeding Insects | Fruit Feeding or Damaging Insects |

General

• Insect & Disease Identification Guide For Grapes (Order No. 03-039)

Leaf Feeding Insect

Fruit Feeding or Damaging Insects

Greenhouse Crops

| General | Leaf Feeding Insects | Fruit Feeding or Damaging Insects |

General

• Biology of Thrips in Greenhouse Crops (Order No. 03-077)
• Light Traps as a Pest Management Tool
• Management of Thrips in Greenhouse Crops (Order No. 03-075)
• Sanitation Recommendations for Management of Insect and Mite Pests of Greenhouse Vegetables (Order No. 94-029)

Leaf Feeding Insects

• Biology of Whiteflies in Greenhouse Crops (Order No. 03-065)
• Management of Whiteflies in Greenhouse Crops (Order No. 03-067)
• The Lygus Bug - A Problem for Pepper and Cucumber Growers
• Tomato Pinworm - Biology And Control Strategies For Greenhouse Tomato Crops (Order No. 04-025)

Fruit Feeding or Damaging Insects

• Can Dicyphus hesperus control whiteflies in greenhouse tomatoes?
• The Lygus Bug - A Problem for Pepper and Cucumber Growers
• Tomato Pinworm - Biology And Control Strategies For Greenhouse Tomato Crops (Order No. 04-025)

Nursery

| General | Root Feeding Insects | Leaf Feeding Insects | Trunk Boring Insects |

General

• Monitoring Insects in the Landscape and Nursery

Root Feeding Insects

• Root Weevils

Leaf Feeding Insects

• Japanese Beetle in Nurseries and Turf (Order No. 92-105)
• Root Weevils
• Three Pests of Honeylocust (Gleditsia triacanthos var. inermis)
• Viburnum Leaf Beetle, Pyrrhalta viburni (Paykull) in the Nursery and Landscape

Trunk Boring Insects

• Borers in the Landscape
• Euonymouse Scale, Unaspis euonymi (Comstock), in the Nursery and Landscape

Turf

• Japanese Beetle in Nurseries and Turf (Order No. 92-105)

Vegetables

| Root Feeding Insects | Leaf Feeding Insects | Bark and Trunk Boring Insects |
| Fruit Feeding or Damaging Insects | Beneficial Insects |

Root Feeding Insects

• Carrot Insects (Order No. 93-077)
• Managing Wireworms in Vegetable Crops (Order No. 00-047)
• Onion Maggot Control (Order No. 98-075)
• Leek Moth - A Pest of Allium Crops (Order No. 08-009)
• Sampling Soil and Roots for Plant Parasitic Nematode (Order No. 06-099)

Leaf Feeding Insects

• Aphids Infesting Lettuce And Celery In Ontario (Order No. 00-053)
• The Aster Leafhopper and Aster Yellows (Order No. 98-057)
• Caterpillar Pests of Cruciferous Crops (Order No. 99-035)
• Tarnished Plant Bug Damage on Vegetable Crops in Ontario (Order No. 98-025)
• Thrips on Onions and Cabbage (Order No. 99-027)
• The Swede Midge — A Pest of Crucifer Crops In Ontario (Order No. 08-007) - PDF Format (364 KB)
• The Lygus Bug - A Problem for Pepper and Cucumber Growers

Fruit Feeding or Damaging Insects

• European Corn Borer in Sweet Corn and Other Horticultural Crops (Order No. 97-019)
• Onion Maggot Control (Order No. 98-075)
• Tarnished Plant Bug Damage on Vegetable Crops in Ontario (Order No. 98-025)
• The Lygus Bug - A Problem for Pepper and Cucumber Growers

Field Crops

| Dry Edible Beans | Canola | Cereal Crops | Corn | Forages | Soybeans |

• Crop and Pest Updates
• Agronomy Guide, Publication 811
• Field Crop Protection Guide, Publication 812
• Insecticide Seed Treatments - Which fields should they go in? April 2006
• Insect Monitoring Equipment Supply Companies

Dry Edible Beans

• Defoliating Insects
• Insect Factsheets & Infosheets
• Insect Management for Farm-Stored Grain
• Mexican Bean Beetle
  • Bean Leaf Beetles Ready and Waiting, May 2006
  • Bean Leaf Beetle Early Seedling Stage Threshold, June 2006
• Potato Leafhopper
• Seedcorn Maggot
• Stored Grain Insects
• Symptoms in the Field
• Take Time to Scout for Tarnished Plant Bug in Canola and Beans, July 2007
• What Is Your Wireworm Risk? April 2003
• Winning the War on Pests in Edible Beans Nov 2005

Canola

• Diamondback Moth
• Flea Beetle
• Canola Growers - Get Ready for Weevils, May 2007
• Insect Factsheets & Infosheets
• Insect Management for Farm-Stored Grain
• Integrated Pest Management Options: Canola
• Minor Use Program
• Field Scouting
• Scouting Calendar
• Stored Grain Insects
• Take Time to Scout for Tarnished Plant Bug in Canola and Beans, July 2007
• The Swede Midge - A Pest of Crucifer Crops (Order No. 08-007)
  • 2005 Interim Best Management Practices to Control the Swede Midge

Cereal Crops

| Root Feeding Insects | Leaf Feeding Insects |

• Integrated Pest Management Options: Cereals
• Insect Monitoring Equipment Supply Companies
• Symptoms in the Field

Root Feeding Insects

• European Chafer
  • Grubs Damage Very Common this Spring, May 2008
• Wireworm
  • What Is Your Wireworm Risk? April 2003

Leaf Feeding Insects

• Armyworm
  • Fall Armyworm
  • True Armyworm
  • True Armyworm Found , June 2008
  • Attack of the Armyworm, June 2008
  • Battling Armyworms - Nozzles & Yield Loss Potential, June 2008
  • Coming Soon - Armyworm and Black Cutworm Feeding, May 2008
• Cereal Aphid Complex
  • Cereal Aphids - Are They a Concern?, May 2008
• Cereal Leaf Beetle
• Hessian Fly
• Insect Management for Farm-Stored Grain
• Stored Grain Insects
• Symptoms in the Field
• Will Winter Cutworm Show Up This Year? Nov 2008

   

Corn

| Root Feeding / Soil Insects | Leaf Feeding Insects | Stalk Boring Insects |
| Ear and Kernel Feeding Insects | Bt Corn and Insect Management |

• Integrated Pest Management Options: Corn
• Insect Monitoring Equipment Supply Companies
• Scouting Calendar
• Symptoms in the Field
• The Summer for Insects - Scout your Fields! July 2007

Root Feeding / Soil Insects

• Corn Rootworm
• Cold Backwards Spring Ideal for Soil pests, May 2008
• Critters in the Soil Taking Out the Crops, May 2007
• Time for Post-Season Monitoring of Corn Rootworm, Nov 2006
• Bt Corn for Rootworm Brings Changes in Refuge Requirements, Jan 2004
• Western Corn Rootworm Feeding Behavior on a Gransgenic Hybrid Described in Detail, June 2006
• European Chafer (White Grubs)
• nsecticide Seed Treatments - Which fields should they go in? April 2006
• Pest of the Week - White Millipedes? May 2006
• Seedcorn Maggot
• Wireworms
• What Is Your Wireworm Risk? April 2003

Leaf Feeding Insects

• Corn Leaf Aphids
• True Armyworm
  • Armyworm Again? July 2008
• Fall Armyworm
• Black Cutworm
  • Black Cutworm the Next Problem, June 2006
  • Cutworm a Potential Concern, May 2007
• Western Bean Cutworm
• Western Bean Cutworm Trap Counts in Blyth a Concern , August 2008
• Western Bean Cutworm - A New Pest Heading This Way, June 2008
• More Western Bean Cutworm Moths Captured , July 2008
• Western Bean Cutworm Numbers High in Michigan , July 2008
• Western Bean Cutworm Moth Captured in Ontario, July 2008
• Corn Flea Beetles
  • Stewart’s Wilt of Corn – “The Tale of Two Models”, April 2007
• Potato Stem Borer
• Slugs
  • Scouting for Slugs This Fall Will Help Predict Spring Problems, Nov 2006
  • Wet Weather Increases Risk for Slug Damage, May 2006
  • Slugs will be Active Soon, May 2007

Stalk Boring Insects

• Growing Degree Days Indicate Potential Corn Borer Activity, June 2006
• European Corn Borer
• European Corn Borer Economic Threshold Calculations

Ear and Kernel Feeding Insects

• Corn Earworms (Order No. 95-065)
• Corn Earworm
• Insect Management for Farm-Stored Grain
• Stored Grain Insects

Bt Corn and Insect Management

• Bt Refuge is More Important than Ever! April 2007
• A GROWER’S HANDBOOK Controlling Corn Insect Pests with Bt Corn Technology (PDF 6 mb)
• Bt Corn for Rootworm Brings Changes in Refuge Requirements, Jan 2004
• Changes to Bt Corn Refuge Requirements, May-June 2006
• ECB Scouting Procedure for Bt -corn Hybrids and Refuge in Canada set by the Canadian Corn Pest Coalition
• Latest Bt Refuge Compliance Study Indicates Technology Well Protected

Forages

| Root Feeding Insects | Leaf Feeding Insects |

• Integrated Pest Management Options: Forages
• Insect Monitoring Equipment Supply Companies

Root Feeding Insects

• Alfalfa Snout Beetle
• Alfalfa Snout Beetle (Order No. 94-025)
• Grubs in Pasture and Hay Fields, Nov 2007

Leaf Feeding Insects

• Alfalfa Blotch Leafminer
• Alfalfa Weevil
  • Alfalfa Weevil Active, May 2008
  • Alfalfa Weevil Activity, May 2008
• True Armyworm
• Fall Armyworm
• European Skipper
• Potato Leafhopper
  • Scouting For Potato Leafhopper in Alfalfa, June 2004
  • Scout Alfalfa for Potato Leafhoppers, June 2006
• Trefoil Seed Calcid (Order No. 91-016)
• Scouting Calendar - Forage crops

Soybeans

| Root Feeding Insects | Leaf Feeding Insects |

• Integrated Pest Management Options: Soybeans
• Insect Monitoring Equipment Supply Companies
• Minor Use Program
• Pesticide Information
• The Summer for Insects - Scout your Fields! July 2007
• Symptoms in the Field

Root Feeding Insects

• Critters in the Soil Taking Out the Crops, May 2007
• Insecticide Seed Treatments - Which fields should they go in? April 2006
• Soybean Fungicide and Insecticide Seed Treatments, March 2008
• Seedcorn Maggot
• What Is Your Wireworm Risk? April 2003

Leaf Feeding Insects

• Aphids
  • Soybean Aphid (Order No. 04-059)
  • Soybean Aphid
  • Soybean Aphid Updates
    • Soybean Aphids are Gearing up, August 2008
    • What Are Soybean Aphids Up To? July 2008
    • 2008 Soybean Aphid and Soybean Rust Monitoring, June 2008
    • 2008 Soybean Aphid and Soybean Rust Monitoring, June 2008
    • Soybean Aophids are Starting to Colonize Soybeans, June 2008
    • Soybean Aphid Colonies Found on Buckthorn this Week, May 2008
    • What are Soybean Aphids Going to Do in 2008? May 2008
    • USDA Soybean Rust Website Invaded by Soybean Aphids, June 2006
  • Soybean Growth Stages and Aphid Thresholds - University of Wisconsin
  • Soybean Aphid - symptoms in the field
• Bean Leaf Beetle
  • Pods at Risk of Bean Leaf Bettle Feeding, August 2008
  • Bean Leaf Beetle Battle, May 2007
  • Bean Leaf Beetle Early Seedling Stage Threshold, June 2006
  • Soybean Emergence = Risk of Bean Leaf Beetle Injury, May 2007
• Defoliating Insects
• Japanese Beetle
• Potato Leafhopper
• Pod Piercing Pests are Present - Stink Bugs and Tarnished Plant Bugs, August 2007
• Slugs
  • Wet Weather Increases Risk for Slug Damage, May 2006
  • Scouting for Slugs This Fall Will Help Predict Spring Problems, Nov 2006
  • Slugs will be Active Soon, May 2007
    • Spider Mites In Field Crops (Order No. 89-002)
• Spider Mite Alert, August 2007
• Scout for Spider Mites Too! June 2007
• Western Bean Cutworm Trap Counts in Blyth a Concern , August 2008