Category Archives: landscape

August is Tree Check Month!

Posted on August 8, 2024 by Cassie Russell

This annual campaign urges Canadians to thoroughly inspect trees and plants in their backyards, gardens, parks, and vehicles for invasive pests.

Posted in Arboriculture, Insects, Invasive Species, landscape | Tagged invading species, Invasive species, ontario invasive species, pests in the landscape, report invasive species, tree check month | 1 Comment

Box Tree Moth: Time to scout and treat the second generation

Posted on July 2, 2024 by Cassie Russell

Adult box tree moths have been observed throughout Southern Ontario over the last couple weeks and as their eggs hatch, early instar box tree moth larvae start to feed again on boxwood shrubs. This second period of feeding activity is … Continue reading →

Posted in Arboriculture, box tree moth, Insects, Invasive Species, IPM, landscape | Tagged box tree moth, boxwood, BTM, btm larvae, buxus, IPM, ipm in the landscape, second generation, treat btm | 1 Comment

June 19, 2024: Japanese Beetles Have Started to Emerge!

Posted on June 19, 2024 by Sarah Jandricic, Greenhouse Floriculture IPM Specialist, OMAFRA

Japanese Beetle (Popillia japonica) adults were caught in traps today in Guelph and spotted in the last day or two near London, ON. Read on for what the start of the adult emergence period means in terms of pest management … Continue reading →

Posted in Insects, Invasive Species, IPM, landscape | Tagged beetles, japanese beetle, JB, JB adults, JB emergence, JB infographic, white grubs | 2 Comments

Box tree moth update: Pupae already?!

Posted on May 24, 2024 by Cassie Russell

Scouting this spring has revealed a lot of variation in larval development and I think we might be in for a challenging summer for management. Late instar box tree moth larvae have been observed preparing for pupation in the more … Continue reading →

Posted in box tree moth, Insects, Invasive Species, IPM, landscape | Tagged box tree moth, BTM, BTM IPM, BTM management in May, damaged boxwood, landscape boxwood, whats wrong with my boxwood | 1 Comment

Reminder: No pruning oaks from now until November

Posted on April 2, 2024 by Cassie Russell

Calling anyone who deals with oak trees including nurseries, garden centers, homeowners and tree professionals! Let this be your friendly reminder: now that April is upon us, you should hold off on pruning your oaks until November to protect trees … Continue reading →

Posted in Arboriculture, Diseases, Insects, IPM, landscape | Tagged CFIA, isa ontario, oak pruning, oak wilt, oak wilt ontario, quercus, regulated pest | 3 Comments

Common Ontario Syrphids: ID Sheet Resource

Posted on March 7, 2024 by Cassie Russell

Last week at the nursery growers IPM workshops, we heard from speakers who covered topics related to biological controls in nursery crops and how to ID and promote natural enemies to help with insect pest issues. With that at the … Continue reading →

Posted in Insects, IPM, landscape | Tagged beneficial insects, ecology, flower flies, hover flies, insect ID, ipm in the landscape, natural enemies | Leave a comment

Recent Spotted Lanternfly Sightings in Ontario

Posted on October 12, 2023 by Cassie Russell

Many of you may have heard rumblings or seen posts on social media about spotted lanternfly (SLF) being sighted in Ontario recently. There have been NO detections of SLF in Canada. A detection is defined as a live spotted lanternfly … Continue reading →

Posted in Insects, Invasive Species, landscape | Tagged CFIA, Invasive species, SLF, SLF ontario, SLF sightings, spotted lanternfly | 1 Comment

August 10: Pest Update

Posted on August 10, 2023 by Cassie Russell

Well the summer feels like it’s flown by and somehow we are already into the second week of August. I saw that a garden center the other day had out a crop of early flowering chrysanthemums and that was quite … Continue reading →

Posted in Diseases, Insects, Invasive Species, IPM, landscape, Weekly Nursery Landscape Report | Tagged August pests, BTM, Invasive species, IPM, JB, leaf spot, monitoring, overwatering, pest report, root rot, scouting in the nursery, SLF, TSSM | 1 Comment

Box Tree Moth: Time to start treating the second generation

Posted on July 17, 2023 by Cassie Russell

Early instar box tree moth larvae have started to be found on boxwood shrubs in Ontario; mainly in the GTA and Niagara region. This is the start of the second generation. Now is the time to inspect your boxwoods again … Continue reading →

Posted in Arboriculture, Insects, Invasive Species, IPM, landscape | Tagged box tree moth, boxwood, BTM, btm larvae, buxus, IPM, ipm in the landscape, second generation, treat btm | 3 Comments

Japanese Beetles Have Started To Emerge

Posted on June 27, 2023 by Cassie Russell

Back by not so popular demand, Japanese Beetle (Popillia japonica) adults are starting to emerge and take flight in southern Ontario! We caught our first adults in pheromone traps this weekend in Guelph.