WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Birch: Aphids categories: Birch Birch Insects Ornamental trees Ornamentals revision date: 2024-06-05 08:29 Aphid colony on leafPhoto by: A.L. Antonelli Biology Aphids are small yellowish to greenish insects often found on the underside […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Birch: Birch leafminer categories: Birch Birch Insects Ornamental trees Ornamentals revision date: 2024-06-05 10:25 Birch leafminer damage.Photo by: A.L. Antonelli Biology The birch leafminer is the larvae of a small (about 1/8″-3/8″) black […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Birch: Bronze birch borer categories: Birch Birch Insects Ornamental trees Ornamentals revision date: 2024-06-05 02:07 Bronze birch borer damagePhoto by: Unknown Biology Adult bronze birch borers are olive to bronze-colored beetles approximately 1/2″ […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Birch: Canker categories: Birch Birch Diseases Ornamental trees Ornamentals revision date: 2022-11-21 01:15 Botryosphaeria canker with fruiting bodies emerging on birch tree trunk Photo by: R.S. Byther Biology Several fungal pathogens can cause […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Birch: Oystershell scale categories: Birch Birch Insects Ornamental trees Ornamentals revision date: 2024-06-05 08:29 Severe oystershell scale infestation on twigPhoto by: Unknown Biology Oystershell scale insects are 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. Birch: Rust categories: Birch Birch Diseases Ornamental trees Ornamentals revision date: 2022-11-21 12:58 Birch rust on leavesPhoto by: R.S. Byther Biology Birch rust is a fungal disease which first appears on leaves in […]