Watch Our For Hot Spots of Magnolia Scale

MagnoliaScaleJuly28Magnolia scale females have given birth to live young, and these tiny, dark crawlers have started to venture out to feed on twigs in the landscape.  Signs of magnolia scale include honeydew: sticky leaves and sticky residue on vehicles and outdoor furniture underneath infested trees; Ants and Wasps attracted to the honeydes; Black sooty mould growing opportunistically on the honeydew residue; and of course, foliar chlorosis and premature leaf drop from the feeding damage.

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2020 – The Year of the MITES!

The UN-ENDING HEAT and SUN of the 2020 growing season has supported high populations of spider mites. Be on the lookout for spider mites with this informative post on the detection and management of spider mites!
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The Friday Report – July 24, 2020

Adult male Gypsy moth
Adult Male Gypsy moths (Lymantria dispar) can be found flying in crazy, zig-zag patterns near the ground just about everywhere this year! Note the huge antennae on male moths…all the better to intercept female sex pheromones, my dear!
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The Friyay Report – July 17th

FemaleGypsyMoth (Lymantria dispar)
Flightless, adult female Gypsy moths are crawling up trunks and laying their eggs in bark crevices. Ontario is seeing moderate-severe infestation levels of Gypsy moth across the province this year.
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Treat the 2nd Generation BTM Larvae in Toronto NOW

Feeding damage and one larva of box tree moth
Early-Mid Instar Larva of Box Tree Moth (Cydalima perspectalis) can be found actively feeding on boxwood in some residential gardens. This is the second generation of larvae for the 2020 season and they can be found feeding for the next 4 weeks. Inspect all twigs and foliage carefully, pull branches apart to find well-camouflaged green larvae with black heads hiding on inside foliage. This is the perfect time to spray biological insecticides like Dipel, Xentari, Bioprotec. (photo: J. Llewellyn).

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Be On The Lookout for the Spotted Lanternfly NYMPHS!

spotted-lanternfly-nymphs-adults
info.nc.agr.com

Here’s a pest you may have heard about, the Spotted Lanternfly (Lycorma delicatula).  It is not a fly, but a planthopper. In the Order Hemiptera, Family Fulgoridae.  It is actually a much stronger hopper than it is a flyer.  They may remind you of frogs they way they sit and hop around. Found recently in the US,  Spotted Lanternfly is a pest we are actively looking for in Ontario. IF YOU THINK YOU HAVE FOUND THIS PEST, PLEASE REPORT IT TO CFIA BY CLICKING HERE. OR Call: 1-800-442-2342

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Japanese Beetles Have Started To Emerge

<a href="/clm/species/popillia_japonica"><em>Popillia japonica</em></a> (Japanese Beetle) adult on cedar.       Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario!  They have been spotted in Niagara this week. Continue reading

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The Monday Report – June 29th

GypsyMothLarvaHideAfternoonYellowHeadJune19_17_01               Gypsy moth larvae have donned their yellow heads and are much longer than 2.5 cm…..which means they are no longer susceptible to the biocontrol Bacillus thuringiensis (B.t./Dipel/Foray). Continue reading

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Late Spring IPM for Landscape and Nursery

maple anthracnose

Maple anthracnose, caused by several different fungi, are quite common this year due to cooler temps and frequent rains.

Foliar diseases such as Anthracnose can be seen on deciduous trees in the landscape, especially on maple, ash and oak.  The fungus infects leaf tissue as it is emerging, especially during cool, wet springs.  Fungal infection causes some distortion and necrosis.  Infected leaves usually remain functional.  Fear not, symptoms will soon be masked by the emergence of the second flush of leaves. Continue reading

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Boxwood Leafminer Adults Are Flying Where Black Locusts are in Flower Bud!

BoxLeafMinerDamageApril

Boxwoods in the landscape not looking so good?  Are you seeing a lot of yellow-brown spots on leaves? Continue reading

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