Category Archives: Insects

Insect Pests on Evergreens Right Now

Posted on May 16, 2018 by Jen Llewellyn

Look for small, white, woolly tufts or masses on the twigs of hemlock (Tsuga canadensis) (Photos: Julie Holmes, CFIA). It is still a good time to scout for Hemlock Woolly Adelgid (Adelges tsugae) because of the visibility of the white … Continue reading →

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Dormant Oil For IPM

Posted on April 27, 2018 by Jen Llewellyn

 We’ve got milder temperatures starting today and yes, it’s still a good time to get some late dormant oil applications on in many areas of southern Ontario (Photo: overwintering nymphs of magnolia scale). As long as there is no sensitive vegetative or flower tissue emerging, you can still make dormant rate, horticultural oil applications for […]

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Now is the Time to Manage Beech Scale

Posted on September 8, 2017 by Jen Llewellyn

  Introduced Beech scale (Cryptococcus fagisugae) is easier to see this time of year on our native American beech (Fagus grandifolia).  That’s because of the white waxy coverings the females produce to protect their eggs.  Look for

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Time To Prune Boxwood and Eastern White Cedar

Posted on July 17, 2017 by Jen Llewellyn

              Remember all those yellow spots on boxwood leaves we had this spring?  These were the feeding sites of the overwintering larvae of boxwood leafminer (Monarthropalpus buxi, M. flavus).

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Hay Hay We’re the……Scarab Beetles!

Posted on June 29, 2017 by Jen Llewellyn

                 Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario!

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Pesky Pests Running Among Us

Posted on June 23, 2017 by Jen Llewellyn

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 […]

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Injectable Solutions for Landscape Trees

Posted on June 15, 2017 by Jen Llewellyn

The black locust (Robinia pseudoacacia) are in full bloom as this is the phenology indicator species for the emergence of emerald ash borer adults.

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Does It Seem Like All We Do Is Work?

Posted on June 8, 2017 by Jen Llewellyn

There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so.  Recently planted trees not looking so good?   The 2016 growing season was extremely hot and dry and was very hard on landscape ornamentals, especially those planted in the […]

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Android BugFinder Now Available!

Posted on June 7, 2017 by Jen Llewellyn

 Oh yes, Oh yes it’s finally here! The Android version of BugFinder and let me tell you….. it rocks!

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The Friday Report, June 2

Posted on June 2, 2017 by Jen Llewellyn

There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so.  Recently planted trees not looking so good?   The 2016 growing season was extremely … Continue reading →

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