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Tag Archives: fall webworm
We recently cracked a case of stunted, distorted leaves and premature leaf drop on honeylocust this week….
Magnolia 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 … Continue reading
Lots of hairy caterpillars can be found feeding openly on foliage of nursery and landscape ornamentals this time of year. Above you will see Hickory tussock Moth (Lophocampa caryae, Family: Erebidae left photo) and the very common Virginian tiger … Continue reading
Are you noticing webbed masses of yellow-brown, fuzzy larvae with dark heads feeding on leaves of deciduous trees and shrubs this summer?
This beautiful, fat four-horned Sphinx moth larva (Order: Lepidoptera; Family: Sphingidae; Species: Ceratomia amyntor) was found chewing on elm leaves by OMAFRA Field Tech Student Kaitlin Creighton and LO Nursery Scout Charlotte Thomson. Knowing their supervisor’s sense of humour, Kait … Continue reading
Are you seeing black marginal necrosis on the newest growth of Pear (Pyrus) trees? We saw the same phenomenon back in 2016 and after several attempts at culturing pathogens failed, … Continue reading
Magnolia Scale has had another great year in the Ontario landscape. This means tons of honeydew, ants, wasps and other nuisance insects that plague our beloved magnolia trees.