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Explore U.S.-Europe dynamics
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Garden and landscape pests

Seasons of color in your garden
  • Food Production Systems
  • Beef
  • Cereals
  • Dairy
  • Farm stress
  • AgBiz
  • Pest Management
  • Produce safety
  • Sheep goat
  • Soil health
  • Weed science
    • Food Production Systems
    • Beef
    • Cereals
    • Dairy
    • Farm stress
    • AgBiz
    • Pest Management
    • Produce safety
    • Sheep goat
    • Soil health
    • Weed science
    Food Production Systems
    • Beef
    • Cereals
    • Dairy
    • Farm stress
    • AgBiz
    • Pest Management
    • Produce safety
    • Sheep goat
    • Soil health
    • Weed science
    1. Home/
    2. Extension/
    3. Food Production Systems/
    4. Pest Management/
    5. Garden pests

    Garden and landscape pests

    Garden and landscape pests are common invaders that cause damage from chewing to burrowing to wilting plants. Control ranges from simple hand-picking to biological controls like beneficial insects to targeted treatments for a healthy garden and landscape.

    Trees and shrubs

    A variety of trees shrubs and vines

    Select to learn more about the pests that may damage trees and shrubs in Idaho below.

    Trees and shrubs

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    IPS beetle

    IPS beetle

    Lilac-ash borer

    Integrated pest management photos and files

    Tentworms

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

    Diseases

    Spruce needle cast

    Integrated pest management photos and files

     

    Vegetables

    A variety of vegetables displayed

    Select to learn more about theses pests that may damage garden vegetable plants in Idaho.

    Carrot

    Arthropods

    Aphids in gardens

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Eggplant

    Arthropods

    Aphids in gardens

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Colorado potato beetle

    Colorado-potato-beetle-wenninger.JPG

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Onion

    Arthropods

    Aphids in gardens

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

    Wireworms

    Integrated pest management photos and files

     

    Pepper

    Arthropods

    Aphids in gardens

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Potato

    Arthropods

    Potato aphid

    Potato aphids

    Armyworms

    Integrated pest management photos and files

    Colorado potato beetle

    Colorado-potato-beetle-wenninger.JPG

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Leafhoppers

    placard leafhopper.jpg

    Lygus bug

    Integrated pest management photos and files

    Psyllids

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Potato tuberworm

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

    Wireworms

    Integrated pest management photos and files

    Nematodes and diseases

    Fusarium dry rot

    Fusarium dry rot symptoms

    Potato mop-top virus (PMTV)

    Potato viruses or diseases

    Powdery scab

    Powdery scab_Sandra Jensen, Cornell University, Bugwood.org.jpg

    TRV

    Potato viruses or diseases

    Powdery mildew

    Powdery mildew on sugar beets

     

    Tomato

    Arthropods

    Aphids in gardens

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Colorado potato beetle

    Colorado-potato-beetle-wenninger.JPG

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Fruits and nuts

    Landscapes and Gardens photos

    Select to learn more about theses pests that may damage fruit and nut plants in Idaho.

    Apple

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flatheaded borers

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Cherry

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flatheaded borers

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Grape

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Tree nuts

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flatheaded borers

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Nectarine

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flatheaded borers

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Pear

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flatheaded borers

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Plum

    Arthropods

    Aphids in fruit trees

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flatheaded borers

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

    Lygus bug

    Integrated pest management photos and files

    Thrips

    Integrated pest management photos and files

    Two-spotted spider mite

    Two spotted spider mite

     

    Lawn and ornamentals

    A variety of perennials from African daisies to yarrow

    Select to learn more about these pests that may damage lawns or ornamentals in Idaho.

    Lawns

    Arthropods

    Armyworms

    Integrated pest management photos and files

    Publication

    • Controlling billbug grubs in lawns, CIS 1204

    Cutworms

    Integrated pest management photos and files

     

     

    Ornamentals

    Arthropods

    Aphids in woody ornamentals

    Integrated pest management photos and files

    Armyworms

    Integrated pest management photos and files

    Corn earworm

    Integrated pest management photos and files

    Cutworms

    Integrated pest management photos and files

    Flea beetles

    Integrated pest management photos and files

    Grasshoppers

    Integrated pest management photos and files

     

    Common rodents

    Vole damage through a lawn

    Pocket gophers and meadow voles cause significant damage to gardens and landscapes, rangeland, alfalfa, pastures and other agricultural crops in the Pacific Northwest.

    Select to learn more about these pests

    Pocket gophers

    A pocket gopher on a dirt path

    Meadow voles

    Meadow vole eating on a worm

     

     

    Pest Management

    • Agricultural pests
    • Garden pests
    • Pesticide Safety and Education
    Students harvesting at the Soil Stewards Farm

    UI Extension publications

    View peer-reviewed, research-based educational materials produced by U of I experts.

    Search publicationsSearch publications

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    Pest Management

    • Agricultural pests
    • Garden pests
    • Pesticide Safety and Education

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