Photo of the Week
Be on the lookout for the second generation of Euonymus scale crawlers! The second generation emerges about 6 weeks after the first, putting them in mid-late July this year.
Tag Archives: dave cheung
These Cloudy, Hazy, Humid Days are Numbered
Looking up at the sky today, it was so hazy you couldn’t see much but a fuzzy-looking grey. This is a different kind of overcast than what we normally get to experience. Hundreds of wildfires are burning in the west … Continue reading
The Friyay Report – July 8th, 2021
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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Plant and Insect Development is 2 Weeks + Ahead of Last Year!
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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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?
Hot, Humid Days are Here
Gymnosporangium rusts, like this Cedar-Apple Rust gall, are finally sporulating! These rusts overwinter on perennial gall on the evergreen Juniperus hosts. In the spring, they are stimulated to sporulate during warm, wet periods. We’ve had the heat, but its been … Continue reading
An Ill Wind That Blows No Good….#GypsyMoth 2021
First instar Gypsy moth (Lymantria dispar) larvae have hatched and are dispersing, especially in the Southwestern part of the province! Continue reading
Those Precocious Blooms of April!
outher Norway maple (Acer platanoides and its cultivars) are just starting to bloom in the GTA, making this one of the earliest blooms for trees since 2012! Continue reading
2021 Will Be Remembered as “The Year of the Gypsy Moth”
Posted in Arboriculture, Insects, IPM, landscape, Weekly Nursery Landscape Report
Tagged biocontrol, bugfinder, dave cheung, gypsy moth, Jen Llewellyn, lymantria dispar
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IPM in The Middle of August
We recently cracked a case of stunted, distorted leaves and premature leaf drop on honeylocust this week….