Have You Seen This Red and Black Bug?

Red bug with black markings

Adult European firebug (Photo: J. Llewellyn)

It looks like a boxelder bug doesn’t it?  Ah, but boxelder bugs have a lot more solid black on their wings.  Maybe a milkweed bug? No, they have red and black wings but no black circles like this one. Can’t find it in any of your reference books?  Wait a minute….maybe its not from North America.

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IPM in The Middle of August

  We recently cracked a case of stunted, distorted leaves and premature leaf drop on honeylocust this week….

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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!


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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