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Tag Archives: gypsy moth
April Snowstorms Bring May Flowers
There may still be snow in the bush but at long last, its been warm enough to support bloom on several early flowering plants. It looks like the warming trend will continue, according to the 7 day weather forecasts. After … Continue reading
Posted in Arboriculture, IPM, landscape
Tagged bagworm, bugfinder, city of toronto, eastern tent caterpillar, fall cankerworm, gypsy moth, Jen Llewellyn
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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
Early Spruce Sawfly Damage Can Look Like Needle Burn
Take a quick scan of the new growth on spruce, especially Colorado spruce (Picea pungens). Look for straw-like needles that are withering….and the disappearance of needles all together. This is very typical damage of Yellow Headed Spruce Sawfly (Pikonema alaskensis).
Posted in Arboriculture, Insects, IPM
Tagged gypsy moth, Jen Llewellyn, spruce sawfly, yellow headed spruce sawfly
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A Few Early Season Pests
Now is a great time to scout for overwintering pests in the landscape and nursery. There is still an opportunity to apply cultural management methods to reduce pest incidence on woody plants. For those of you in areas where bagworm … Continue reading
Posted in Insects, IPM
Tagged bagworm, eastern tent caterpillar, gypsy moth, Jen Llewellyn, viburnum leaf beetle
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Spruce Sawfly is Doing It’s Thing
Take a quick scan of the new growth on spruce, especially Colorado spruce (Picea pungens). Look for straw-like needles that are withering….and the disappearance of needles all together. This is very typical damage of Yellow Headed Spruce Sawfly (Pikonema alaskensis).
Posted in Arboriculture, Insects, IPM
Tagged gypsy moth, Jen Llewellyn, spruce sawfly, yellow headed spruce sawfly
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Those Darling Buds of May, 2015
We’ve got a warm week ahead of us and for those of us in the green industry, we are all wishing that spring would slow down a little bit. Buds are bursting like crazy, making bloom periods as well as … Continue reading
Posted in IPM, Weekly Nursery Landscape Report
Tagged gypsy moth, Jen Llewellyn, plant phenology, septoria leaf spot, WHAT'S THAT SOUND
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Yellow Headed Spruce Sawfly and Gypsy Moth Hiding & Feasting
In the north Toronto area, there is quite a problem with yellow headed spruce sawfly. I blogged about their hatch last week and already they have grown to 10-15 mm long! Take a quick scan of the new growth on … Continue reading
Posted in Arboriculture, IPM
Tagged gypsy moth, Jen Llewellyn, yellow headed spruce sawfly
1 Comment