Plant Pests and Predators of Western Canada - WIP

Microregion

Most Likely Problem Pests

Outdoor predators to conserve

Protected-crop controls

Victoria / Saanich / Gulf Islands

Aphids, slugs, root weevils, spider mites

Lacewings, hoverflies, lady beetles, ground beetles

Cucumeris, Californicus, Persimilis, Stratiolaelaps

West Vancouver Island / Tofino / Ucluelet

Slugs, root weevils, aphids, foliage caterpillars

Ground beetles, rove beetles, hoverflies

Cucumeris, Stratiolaelaps, Persimilis

Nanaimo / Cowichan / Comox

Aphids, slugs, root weevils, spotted-wing drosophila

Lacewings, hoverflies, lady beetles

Cucumeris, Californicus, Persimilis

Vancouver / Lower Mainland

Aphids, root weevils, slugs; local regulated invasive pests

Lacewings, lady beetles, hoverflies

Swirskii, Cucumeris, Persimilis, Stratiolaelaps

Fraser Valley / Abbotsford / Chilliwack

Thrips, whiteflies, aphids, spotted-wing drosophila, slugs

Hoverflies, lacewings, parasitoid wasps

Swirskii, Orius, Cucumeris, Encarsia, Stratiolaelaps

Sunshine Coast / North Coast / Haida Gwaii

Slugs, weevils, aphids, forest defoliators

Ground beetles, rove beetles, lacewings

Cucumeris, Stratiolaelaps

South Okanagan / Osoyoos / Oliver

Spider mites, codling moth, leafhoppers, fruit flies

Lacewings, lady beetles, predatory bugs, parasitoids

Californicus, Persimilis, Swirskii in suitable enclosures

Kelowna / Summerland / Vernon

Orchard pests, aphids, mites, fruit flies

Lacewings, lady beetles, hoverflies

Californicus, Cucumeris, Persimilis

Shuswap / Salmon Arm / Sicamous

Aphids, orchard pests, caterpillars, slugs in moist sites

Lacewings, hoverflies, ground beetles

Californicus, Cucumeris, Stratiolaelaps

Thompson / Kamloops / Nicola

Mites, aphids, grasshoppers, cutworms

Lacewings, lady beetles, ground beetles

Californicus, Cucumeris, Stratiolaelaps

Similkameen / Keremeos / Cawston

Fruit flies, codling moth, aphids, mites

Lacewings, lady beetles, parasitoids

Californicus, Persimilis, Cucumeris

West Kootenays / Nelson / Revelstoke

Aphids, slugs, weevils, foliage caterpillars

Ground beetles, hoverflies, lacewings

Cucumeris, Stratiolaelaps, Persimilis

East Kootenays / Cranbrook / Invermere

Grasshoppers, mites, aphids, forest pests

Ground beetles, lady beetles, lacewings

Californicus, Cucumeris, Stratiolaelaps

Cariboo / Chilcotin

Grasshoppers, cutworms, aphids, forest defoliators

Ground beetles, lacewings, parasitoids

Californicus, Cucumeris, Stratiolaelaps

Central / Northern BC / Skeena / Nechako

Aphids, cutworms, foliage caterpillars, spruce insects

Ground beetles, lacewings, forest parasitoids

Cucumeris, Stratiolaelaps

BC Peace / Dawson Creek / Fort St. John

Flea beetles, cutworms, grasshoppers, aphids

Ground beetles, lacewings, crop parasitoids

Cucumeris, Californicus, Stratiolaelaps

Medicine Hat / Brooks / dry southeast

Grasshoppers, cutworms, flea beetles, mites on suitable hosts

Ground beetles, lacewings, lady beetles

Californicus, Cucumeris, Stratiolaelaps

Lethbridge / Taber / irrigated south

Cutworms, flea beetles, pea leaf weevil, potato pests

Ground beetles, lacewings, parasitoids

Californicus, Orius, Cucumeris

Calgary / Airdrie / Strathmore

Aphids, grasshoppers, cutworms, flea beetles, indoor mites

Lacewings, hoverflies, lady beetles, ground beetles

Californicus, Cucumeris, Persimilis, Stratiolaelaps

Cochrane / Okotoks / foothills

Aphids, cutworms, grasshoppers, conifer pests

Lacewings, ground beetles, hoverflies

Cucumeris, Californicus, Stratiolaelaps

Red Deer / Lacombe / central parkland

Flea beetles, cutworms, aphids, lygus bugs

Ground beetles, parasitoids, lacewings

Cucumeris, Californicus, Stratiolaelaps

Edmonton / St. Albert / Leduc

Aphids, leaf miners, caterpillars, nearby field-crop pests

Hoverflies, lacewings, lady beetles

Cucumeris, Californicus, Persimilis, Stratiolaelaps

Rockies / Bow Valley / Jasper

Aphids, spruce pests, bark beetles, defoliators

Native predatory beetles, parasitoids, lacewings

Cucumeris, Stratiolaelaps in heated crops

Grande Prairie / Peace River / Fairview

Flea beetles, cutworms, lygus, grasshoppers

Ground beetles, lacewings, parasitoids

Cucumeris, Californicus, Stratiolaelaps

Athabasca / Slave Lake / northern boreal

Forest tent caterpillars, spruce pests, leaf miners

Forest parasitoids, ground beetles, lacewings

Cucumeris, Stratiolaelaps in protected crops

Swift Current / southwest grassland

Grasshoppers, cutworms, wheat stem sawfly

Ground beetles, lacewings, crop parasitoids

Californicus, Cucumeris, Stratiolaelaps

Regina / Moose Jaw / southeast

Grasshoppers, cutworms, aphids, field-crop pests

Ground beetles, lacewings, lady beetles

Californicus, Cucumeris, Stratiolaelaps

Saskatoon / Battlefords / central

Flea beetles, aphids, grasshoppers, cutworms

Lacewings, hoverflies, ground beetles

Cucumeris, Californicus, Stratiolaelaps

Yorkton / Melfort / Prince Albert farms

Canola pests, cutworms, lygus, tent caterpillars

Crop parasitoids, ground beetles, lady beetles

Cucumeris, Stratiolaelaps

Northern boreal / La Ronge / Shield

Spruce pests, leaf miners, forest defoliators

Forest parasitoids, ground beetles

Cucumeris, Stratiolaelaps in heated crops

Winnipeg / Red River Valley

Aphids, caterpillars, cutworms, ash-tree pests

Hoverflies, lacewings, lady beetles, parasitoids

Cucumeris, Swirskii in warm crops, Persimilis, Stratiolaelaps

Winkler / Morden / Portage / south

Aphids, potato beetles, cutworms, flea beetles

Lacewings, lady beetles, ground beetles

Californicus, Cucumeris, Orius, Stratiolaelaps

Brandon / southwest parkland

Grasshoppers, flea beetles, aphids, cutworms

Ground beetles, lacewings, parasitoids

Cucumeris, Californicus, Stratiolaelaps

Interlake / Riding Mountain / Swan Valley

Aphids, flea beetles, tent caterpillars, forest insects

Ground beetles, lacewings, hoverflies

Cucumeris, Stratiolaelaps

Northern Manitoba / Thompson / Churchill

Spruce insects, willow defoliators, leaf miners

Native forest parasitoids and predatory beetles

Cucumeris, Stratiolaelaps in heated crops