Leduc County is home to a variety of insects, plants and trees. Many provide benefits to the environment and help beautify our landscape. Others can damage plants, trees and crops.
Learn more about crop pests in Leduc County.
Shelterbelts
A shelterbelt is a planting of trees or shrubs established to protect an area, such as cropland or yard sites. Benefits include conserving soil and water, managing snow and wind, improving air quality, protecting yards and livestock, stabilizing crops and enhancing habitat for wildlife.
View Leduc County's shelterbelt setback recommendations.
Ordering shelterbelt trees
Sources of shelterbelt seedling stock, as compiled by Alberta Agriculture and Forestry, are as follows:
Insects
View the Government of Alberta's weeds, pests and integrated pest management for more information on insect pests.
Insects that affect yard plants
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| Aphids — green peach (Myzus persicae) |
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Photo Gallery: Aphids - green peach will appear here on the public site.
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Insects that affect deciduous trees and shrubs
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| Aphids — green peach (Myzus persicae) |
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Photo Gallery: Aphids - green peach will appear here on the public site.
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| Aphids — black cherry (Myzus cerasi) |
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Photo Gallery: Aphids - black cherry will appear here on the public site.
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| Apple maggot (Rhagoletis pomonel) |
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Photo Gallery: Apple maggot will appear here on the public site.
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| Ash borer (Podosesia syringae) |
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Photo Gallery: Ash borer will appear here on the public site.
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| Ash leaf cone roller |
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| Birch leafminers (Fenusa pusilla) |
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Photo Gallery: Birch leafminers will appear here on the public site.
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| Bronze birch borer (Agrilus anxius) |
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Photo Gallery: Bronze birch borer will appear here on the public site.
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| Bruce spanworm (Operophtera bruceata) |
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Photo Gallery: Bruce spanworm will appear here on the public site.
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| Cottony psyllids on ash |
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Photo Gallery: Cottony psyllids on ash will appear here on the public site.
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| Elm scale (Eriococcus spuria and Gossyparia spuria) |
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Photo Gallery: Elm scale will appear here on the public site.
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| Forest tent caterpillars (Malacosoma disstria) |
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Photo Gallery: Forest tent caterpillars will appear here on the public site.
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| Large aspen tortix (Choristoneura conflictana) |
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Photo Gallery: Large aspen tortix will appear here on the public site.
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| Larger boxelder leafroller (Archips negundana) |
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Photo Gallery: Larger boxelder leafroller will appear here on the public site.
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| Satin moth (Leucoma salicis) |
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Photo Gallery: Satin moth will appear here on the public site.
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| Uglynest caterpillar (Archips cerasivorana) |
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Photo Gallery: Uglynest caterpillar will appear here on the public site.
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Learn more from Alberta Agriculture and Forestry
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Insects that affect coniferous trees
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| Cooley spruce gall adelgid (Adelges cooleyi) |
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Photo Gallery: Cooley spruce gall adelgid will appear here on the public site.
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| Larch sawfly (Pristiphora erichsonii) |
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Photo Gallery: Larch sawfly will appear here on the public site.
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| Mountain pine beetle (Dendroctonus ponderosae) |
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Photo Gallery: Mountain pine beetle will appear here on the public site.
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| Pine webworm (Pococera robustella) |
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Photo Gallery: Pine webworm will appear here on the public site.
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| Pitch moth (Syanthedon sequoiae) |
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Photo Gallery: Pitch moth will appear here on the public site.
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| Spruce beetle (Dendroctonus rufipennis) |
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Photo Gallery: Spruce beetle will appear here on the public site.
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| Spruce spider mite (Oligonychus ununguis) |
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Photo Gallery: Spruce spider mite will appear here on the public site.
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| Yellowheaded spruce sawfly (Pikonema alaskensis) |
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Photo Gallery: Yellowheaded spruce sawfly will appear here on the public site.
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Learn more from Alberta Agriculture and Forestry |
Plant and tree diseases
View the Government of Alberta's diagnosing plant problems for more information on plant diseases.
Diseases that affect deciduous trees
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| Black knot (Apiosporina morbosa) |
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Photo Gallery: Black knot will appear here on the public site.
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| Bronze leaf disease (Apioplagiostoma populi) |
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Photo Gallery: Bronze leaf disease will appear here on the public site.
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| Dothiorella elm wilt |
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| Dutch elm disease (Ophiostoma ulmi) |
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Photo Gallery: Dutch elm disease will appear here on the public site.
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Diseases that affect coniferous trees
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| Western gall rust (Endocronartium harknessii) |
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Photo Gallery: Western gall rust will appear here on the public site.
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