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Background on Japanese Beetles
Shawn Kingzette of Davey's Northwest Chicago office explains when Japanese beetles will likely appear and what homeowners can do to deter these pests from making a meal of their landscapes.
Biscogniauxia Canker Of Oaks
Pronounced bisk-o-nee-ox-e-a, this fungus can be identified by the dark-colored, crusty fungus tissue on dead,
cankered areas. Light-colored spore masses are frequently seen on branches and stems of severely affected trees. Large pieces of bark may slough off, exposing the fungus underneath.
Emerald Ash Borer
Emerald ash borer (EAB) is an Asian beetle that threatens the existence of ash trees throughout North America. These insect pests have killed millions of ash trees in urban areas, woodlots, and nurseries, spreading via infested nursery stock and firewood.
Eastern Spruce Gall Adelgid
The Eastern spruce gall adelgid, Adelges abietis, is a soft-bodied, aphid-like insect that sucks plant juices. As immature adelgids feed, they form cone-shaped galls containing more adelgids. These galls can cause disfigurement and weaken trees, which may lead to their decline or death.
Cottony Maple Scale
The cottony maple scale is a large, flat, brown scale insect found on the twigs and branches of various trees. White, cottony egg masses that resemble popcorn are its most distinguishing feature.
How to Help Trees and Plants During an Unexpected Heat Wave
Learn how to help your trees and plants survive an unexpected heat wave with these immediate actions.
GardenComm Announces 2025 Honors
Sandra Reid, executive vice president of corporate communications and strategic planning at Davey Tree, is recognized for receiving GardenComm's 2025 Corporate Leadership and Impact Award.
Boxwood Blight
Boxwood blight is a serious disease caused by a fungal pathogen, Calonectria pseudonaviculata; previously named Cylindrocladium buxicola.
Bruce Spanworm and Winter Moth
The winter moth and the Bruce spanworm are caterpillars that defoliate trees and shrubs.
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