Pest Guide
How to control two-spotted spider mites (Tetranychus urticae)
- Scout crop for early detection and population tracking
- Release predators at preventative rates: Neoseiulus californicus, Neoseiulus fallacis
- Release predators at curative rates: Phytoseiulus persimilis, Feltiella acarisuga, Stethorus punctillum
- Physically removed heavily infested leaves
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may negatively impact biological programs.
- Consult an Integrated Pest Management specialist
How to control western flower thrips (Frankliniella occidentalis)
- Scout crop and count monitoring cards for early detection and population tracking
- Mass trapping with yellow or blue sticky cards and/or tape
- Release predators at preventative rates: Amblyseius swirskii, Neoseiulus cucumeris
- Release predators at curative rates: Orius insidiosus, Amblyseius swirskii, Neoseiulus cucumeris
- Release soil predators: Stratiolaelaps scimitus, Gaeolaelaps gillespiei, Dalotia coriaria
- Apply nematodes (Steinernema feltiae) as a drench and/or as a foliar
- Apply biopesticides (entomopathogenic fungi)
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may negatively impact biological programs.
- Consult an Integrated Pest Management specialist
How to control European flower thrips (Frankliniella intonsa)
- Scout crop and count monitoring cards for early detection and population tracking
- Mass trapping with yellow or blue sticky cards and/or tape
- Release preventatively and curatively if needed Orius insidiosus (predatory mites not as effective on EFT due to their larger size compared to WFT)
- Apply nematodes (Steinernema feltiae) as a foliar
- Apply biopesticides (entomopathogenic fungi)
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may negatively impact biological programs.
- Consult an Integrated Pest Management specialist
How to control greenhouse whitefly (Trialeurodes vaporariorum)
- Scout crop and count monitoring cards for early detection and population tracking
- Mass trapping with yellow cards or tape
- Release predators preventatively: Amblyseius swirskii, Encarsia formosa
- Release predators curatively: Encarsia formosa, Delphastus catalinae
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may have significantly negative impacts on a biological program.
- Consult an Integrated Pest Management specialist
How to control tobacco whitefly (Bemisia tabaci)
- Scout crop and count monitoring cards for early detection and population tracking
- Mass trapping with yellow cards or tape
- Remove infested plant(s) if possible. Tobacco whitefly tend to concentrate on individual plants; unlike greenhouse whitefly which spread out.
- Release predators preventatively: Amblyseius swirskii, Eretmocerus eremicus
- Release predators curatively: Eretmocerus eremicus, Delphastus catalinae
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may have significantly negative impacts on a biological program.
- Consult an Integrated Pest Management specialist
How to control green peach aphids (Myzus persicae)
- Scout crop for early detection and population tracking
- Check monitoring cards for detecting incomers and population spread
- Release predators at preventative rates: Aphidius colemani, A. matricariae
- Release predators at curative rates: Aphidius colemani, A. matricariae, Aphidoletes aphidimyza, Coleomegilla maculata (ladybird beetle), Adalia bipunctata (ladybird beetle), Chrysoperla carnea (green lacewing), Micromus variegatus (brown lacewing)
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may negatively impact biological programs.
- Consult an Integrated Pest Management specialist
How to control Foxglove Aphids (Aulacorthum solani)
- Scout crop for early detection and population tracking
- Check monitoring cards for detecting incomers and population spread
- Release predators at preventative rates: Aphidius ervi (ideally as it targets larger aphids), Aphidius colemani (more economical, but prefers smaller aphids and my struggle with this foxglove aphids)
- Release predators at curative rates: Aphidius ervi, A. colemani, Aphidoletes aphidimyza, Coleomegilla maculata (ladybird beetle), Adalia bipunctata (ladybird beetle), Chrysoperla carnea (green lacewing), Micromus variegatus (brown lacewing)
- Apply conventional pesticides, refer to Health Canada Pesticide Label Search. Depending on product used, it may negatively impact biological programs.
- Consult an Integrated Pest Management specialist