WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Carpenterworm categories: Ornamental trees Ornamentals Willow Willow Insects revision date: 2022-11-29 12:00 Carpenterworm larval minePhoto by: Unknown Biology Carpenterworms are the larvae of a mottled gray and black moth. The caterpillars are […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Poplar and willow borer categories: Ornamental trees Ornamentals Willow Willow Insects revision date: 2022-11-29 12:00 Poplar-and-willow borer adult Biology The adult poplar-and-willow borer is a black and white weevil (a flightless beetle) […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Satin moth categories: Ornamental trees Ornamentals Willow Willow Insects revision date: 2023-04-12 12:00 Satin mothPhoto by: A.L. Antonelli Biology The caterpillars of the satin moth feed on leaves of willows and poplars. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Spiny elm caterpillar categories: Ornamental trees Ornamentals Willow Willow Insects revision date: 2023-04-12 12:00 Spiny elm caterpillarPhoto by: S.J. Collman Biology The spiny elm caterpillar is the larval stage of the mourningcloak […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Bacterial twig blight categories: Ornamental trees Ornamentals Willow Willow Diseases revision date: 2024-06-05 10:24 Willow bacterial twig blightPhoto by: R.S. Byther Biology Bacterial twig blight of willow is caused by the same […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Marssonina leaf and twig spot categories: Ornamental trees Ornamentals Willow Willow Diseases revision date: 2022-11-29 12:00 Marssonina leaf and twig spotPhoto by: R.S. Byther Biology Marssonina leaf and twig spot is a […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Rust categories: Ornamental trees Ornamentals Willow Willow Diseases revision date: 2022-11-29 12:00 Willow rust damage on upper leaf surfacePhoto by: R.S. Byther Biology Willow rusts are fungal diseases that begin in early […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Willow: Twig blight (Venturia) categories: Ornamental trees Ornamentals Willow Willow Diseases revision date: 2022-11-29 12:00 Willow twig blight cankers and diebackPhoto by: R.S. Byther Biology Also known as scab, willow twig blight infects […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Sycamore: Sycamore anthracnose categories: Ornamental trees Ornamentals Sycamore Sycamore Diseases revision date: 2024-06-05 10:12 Sycamore anthracnose leaf symptoms.Photo by: R.S. Byther Biology Sycamore anthracnose is a fungal disease affecting buds, leaves, and shoots. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Sycamore: Aphids categories: Ornamental trees Ornamentals Sycamore Sycamore Insects revision date: 2024-06-05 02:04 Aphid colony on leafPhoto by: A.L. Antonelli Biology Aphids are soft-bodied insects that typically feed on leaves and succulent stems. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Bacterial blight categories: Ornamental trees Ornamentals Poplar Poplar Diseases revision date: 2022-11-29 12:00 Poplar bacterial blightPhoto by: C.R. Foss Biology Bacterial blight of poplar causes leaf spots, which begin as small, dark, […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Canker categories: Ornamental trees Ornamentals Poplar Poplar Diseases revision date: 2022-11-29 12:00 Canker on willow branchPhoto by: R.S. Byther Biology Canker of poplar is a fungal disease infecting twigs and branches of […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Leaf and shoot blight categories: Ornamental trees Ornamentals Poplar Poplar Diseases revision date: 2022-11-29 12:00 Poplar leaf and shoot blightPhoto by: R.S. Byther Biology Leaf and shoot blight is a fungal disease […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Leaf blister categories: Ornamental trees Ornamentals Poplar Poplar Diseases revision date: 2024-06-05 02:07 Poplar leaf blisterPhoto by: R.S. Byther Biology Leaf blister is a fungal disease which infects the leaves of poplars. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Leaf rust categories: Ornamental trees Ornamentals Poplar Poplar Diseases revision date: 2024-06-05 02:07 Poplar rustPhoto by: R.S. Byther Biology Rusts of poplar are fungal diseases which usually require alternate hosts to complete […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Carpenterworm categories: Ornamental trees Ornamentals Poplar Poplar Insects revision date: 2022-11-29 12:00 Carpenterworm larval minePhoto by: Unknown Biology Carpenterworms are the larvae of a mottled gray and black moth. The caterpillars are […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Oystershell scale categories: Ornamental trees Ornamentals Poplar Poplar Insects revision date: 2024-06-05 02:04 Severe oystershell scale infestation on twigPhoto by: Unknown Biology Oystershell scales are usually found on trunks, branches, and twigs. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Poplar petiole gall aphids categories: Ornamental trees Ornamentals Poplar Poplar Insects revision date: 2024-06-05 10:40 Poplar petiole gall aphidPhoto by: A.L. Antonelli Biology Aphids which cause galling of the leaf stem (petiole) […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Poplar-and-willow borer categories: Ornamental trees Ornamentals Poplar Poplar Insects revision date: 2022-11-29 12:00 Poplar-and-willow borer adult Biology The adult poplar-and-willow borer is a black and white weevil (a flightless beetle) about 3/8″ […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Poplar: Satin moth categories: Ornamental trees Ornamentals Poplar Poplar Insects revision date: 2023-04-12 12:00 Satin mothPhoto by: A.L. Antonelli Biology The caterpillars of the satin moth feed on leaves of poplars and willows. […]