Category Archives: Insects

The Friday Report

Holy Cow its dry out there, lawns look like they are starting to go dormant.  Newly planted trees and shrubs are really starting to suffer. I’ve got American goldfinches trying to drink from my Hummingbird feeder.  And my colleague said … Continue reading →

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Potato Leafhoppers spotted in Hamilton Area!

Like Arnold said, “I’ll be back”. Potato leafhoppers were spotted on yellow sticky cards in the Hamilton area a few days ago.  

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Horticultural Oil, Slow Release Fertilizer and A Few Pests

Applications of horticultural oil to dormant trees and shrubs will be starting soon (daily temperatures between 4C and 12C are ideal).   If you can wait for a few mild days to pass, overwintering insects will have a higher rate of … Continue reading →

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What’s up with that duck?

Each March the Canada geese herald in the beginning of spring with the honking broadcasts and displays of male prowess on lakes and storm water collection ponds.  The real sign of spring (for me) is when they start standing on … Continue reading →

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Listen, I know it’s raining. And by now you are thinking that you just can’t handle another rain day. Believe me, I hear ya. And I’m there too. But I checked the weather forecast and they are predicting sunny skies … Continue reading →

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August 22 Nursery-Landscape Report

Environment Canada is calling for a warm, sunny weekend!  There is still a chance of rain today and tonight but tomorrow is expected to be mainly sunny with high’s in the mid-20’s. Magnolia Scale  crawlers are out! Crawlers are dark … Continue reading →

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August 15 is the cut-off date for Japanese Beetle

  If you ship nursery stock to other areas of Canada or the United States that are not Category 3, you may need to ensure that the nursery stock is compliant for the Japanese Beetle Certification Program.  One option is … Continue reading →

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Yellow, distorted and disappearing leaves?

Gypsy moth larvae are finally finishing up their foliar munching and are pupating across Southern Ontario.  Female larvae can measure up to 3 inches long, they need to be bigger than males since it takes so much energy to produce … Continue reading →

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Crawling with Scale

The first generation of Euonymus scale (Unaspis euonymi) crawlers are quite active in container grown Euonymus and also in the landscape.  Euonymus scale look like tiny white flecks (males) and tiny brown sea shells (females) along twigs and the undersides … Continue reading →

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June 12/14: Yellow headed spruce sawfly is OUT

Look for tiny larvae of  Yellow-headed spruce sawfly feeding on tender new needles of spruce (e.g. Colorado spruce) in the landscape.  Plant phenology indicator:  Robinia pseudoacacia (black locust) in full bloom.  Larvae are green with lighter longitudinal stripes, yellow-brown heads.  … Continue reading →

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