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Category Archives: Insects
Boxwood Leafminer Adults Abound!
Boxwoods in the landscape not looking so good coming out of the winter? Are you seeing a lot of yellow leaves? Can you see any yellow-green-brown spots?
Rough Winds Do Shake the Darling Buds of May
Click HERE for the AUDIO version of this blog post. We are seeing wind tattering damage on tender … Continue reading
Leps are languishing…. time for biocontrol
Seeing holes in leaves on deciduous trees? This majestic sugar maple was showing interveinal holes and closer inspection revealed fall cankerworm (Alsophila pometaria) larvae on the leaf undersides. Larvae are pale green (although you’ll … Continue reading
Welcome LO Nursery Scout and OMAFRA Students!
Welcome to our new 2017 LO Nursery Scout and OMAFRA Summer Student! Melissa Huntley (left) and Andrea Badder (right) have been working diligently to scout for pests and abiotic issues in nursery crops. The cold, … Continue reading
Posted in Insects, IPM, Weather, Weekly Nursery Landscape Report
Tagged andrea badder, bugfinder, dave cheung, Jen Llewellyn, melissa huntley
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Managing Spring Pests on Evergreens
Look for small, white, woolly tufts or masses on the twigs of hemlock (Tsuga canadensis) (Photos: Julie Holmes, CFIA). Right now is the BEST time to scout for Hemlock Woolly Adelgid (Adelges tsugae) because of the visibility of the egg … Continue reading
Posted in Insects, Uncategorized
Tagged evergreen ipm, Jen Llewellyn, melissa huntley
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Dormant Oil For IPM
We’ve got milder temperatures starting today and yes, it’s still a good time to get some late dormant oil applications on in many areas of southern Ontario (Photo: overwintering nymphs of magnolia scale). As long as there is no sensitive vegetative or flower tissue emerging, you can still make dormant rate, horticultural oil applications for […]
Introduced Beech Scale Nymphs on American Beech
Introduced Beech scale (Cryptococcus fagisugae) is easier to see this time of year on our native American beech (Fagus grandifolia). That’s because of the white waxy coverings the females produce to protect their eggs. Look for
Posted in Arboriculture, Insects, Weekly Nursery Landscape Report
Tagged beech scale, Jen Llewellyn, magnolia scale
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Japanese Beetle Adults Starting to Emerge
Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario!
Scale Crawlers are OUT!
One of the most filthiest scale insect pests known to horticulturalists, the Euonymus scale (Unaspis euonymi) is a tiny little armored scale that covets evergreen Euonymus fortunei in the garden or landscape. Adult females have a dark cover that is … Continue reading
Posted in Insects, IPM, landscape, Nursery Production
Tagged euonymus scale, fletcher scale, Jen Llewellyn, taxus scale
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