Tag Archives: fall cankerworm

BANNER Year For Gypsy Moth Larvae!

First instar Gypsy moth (Lymantria dispar) larvae have hatched and are dispersing! Larvae produce silken threads and take a ride in the wind in hopes of landing on other delicious botanical hosts.

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Spring is Springing…Again!

There may still be snow in the bush north of Barrie but at long last, its been mild enough to support bloom on several early flowering plants.  Sunday afternoon was heavenly…for a few hours.  It looks like some milder weather … Continue reading

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Leps Looking Moderate-High in Some Areas

            Seeing holes in newly emerged leaves but all you can find are dark, fuzzy little caterpillars?  Gypsy moth larvae have also begun to feed.  Look for holes in leaves and turn over inspect  leaf … Continue reading

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April Showers Bring May Flowers

There may still be snow in the bush in Cottage country but at long last, its been warm enough to support bloom on several early flowering plants.  It looks like some milder weather is coming this week!  Night time low’s … Continue reading

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Leps are languishing…. time for biocontrol

                Seeing holes in leaves on deciduous trees?  This 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 often … Continue reading

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Fall Cankerworm & Gypsy Moth Populations Looking Moderate-High in Some Areas

                Seeing holes in leaves on deciduous trees?  This 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 often … Continue reading

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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

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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

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Its Time for Cultural Management of Fall Cankerworm

Homeowners and horticulturalists alike will remember being inundated with tiny, green loopers feeding voraciously on many of our shade trees this past spring (Acer, Betula, Celtis, Fagus, Malus, Quercus, Tilia, Ulmus).  These were the larvae or caterpillar stage of the … Continue reading

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