Photo of the Week
We are seeing moderate-high levels of Gypsy moth egg masses in southern Ontario this fall! Scrape off the brown, fuzzy masses and you will see the 100+ eggs inside. Remove, Collect, Dispose as much as possible to reduce larvae in 2021.
Tag Archives: onnurserycrops
Temporary Mild Weather Spell Supports Fall Dormant Oil App’s
Now that trees have dropped their leaves and the weather has turned mild for a bit, hort professionals have a short bonus shot at managing overwintering plant pests! The full, dormant rate of horticultural oil is excellent for smothering juvenile … Continue reading
The Friyay Report – July 17th
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 […]
Posted in Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Treat the 2nd Generation BTM Larvae in Toronto NOW
Now is the time to detect and treat for actively feeding box tree moth larvae in Toronto Continue reading
Be On The Lookout for the Spotted Lanternfly NYMPHS!
Here’s a pest you may have heard about, the Spotted Lanternfly (Lycorma delicatula). It is not a fly, but a planthopper. In the Order Hemiptera, Family Fulgoridae. It is actually a much stronger hopper than it is a flyer. They may … Continue reading
Posted in Insects
Tagged invasive species of trees, Jen Llewellyn, Lycorma delicatula, omafra, onnurserycrops, spotted lanternfly
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Japanese Beetles Have Started To Emerge
Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario!
Posted in Insects, IPM
Tagged european chafer, japanese beetle, Jen Llewellyn, onnurserycrops
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The Monday Report – June 29th
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 […]
Posted in Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Late Spring IPM for Landscape and Nursery
Foliar diseases such as Anthracnose can be seen on deciduous trees in the landscape, especially on maple, ash and oak. The fungus infects leaf tissue as it is emerging, especially during cool, wet springs. Fungal infection causes some distortion and … Continue reading
Boxwood Leafminer Adults Are Flying Where Black Locusts are in Flower Bud!
Boxwoods in the landscape not looking so good? Are you seeing a lot of yellow-brown spots on leaves?