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Posted in Arboriculture, Educational Opportunities, IPM, landscape, Uncategorized
Tagged arboriculture, bugfinder, christoph kessel, Integrated pest management, ipm for woody plants, isa ontario, Jen Llewellyn, landscape ontario, omafra, onnurserycrops
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.
Now is the time for dormant oil applications to smother overwintering pear leaf blister mites Continue reading
This beautiful, fat four-horned Sphinx moth larva (Order: Lepidoptera; Family: Sphingidae; Species: Ceratomia amyntor) was found chewing on elm leaves by OMAFRA Field Tech Student Kaitlin Creighton and LO Nursery Scout Charlotte Thomson. Knowing their supervisor’s sense of humour, Kait … Continue reading
Remember all those yellow spots on boxwood leaves we had this spring? These were the feeding sites of the overwintering larvae of boxwood leafminer (Monarthropalpus buxi, M. flavus).
Fall webworm (Hyphantria cunea) are laying their eggs on foliage (Juglans, Prunus, Betula, Fraxinus) at this time (Photo: Charlotte Thomson, LO Nursery Scout). They have multiple generations per year and most people … Continue reading
Posted in Arboriculture, Christmas Trees, IPM, landscape, Nursery Production, Weekly Nursery Landscape Report
Tagged bugfinder, ipm in the landscape, ipm in the nursery, Jen Llewellyn, melissa huntley, nursery crops, omafra, onnurserycrops
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 wider at the posterior end, sea-shell in appearance with white margins. The smaller males have […]