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 white or pinkish-red with a dark head and 1″ to 3″ long when mature. They bore in the trunk and main branches […]
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) about 3/8″ long. The larvae are white and legless and mine beneath the bark and in trunk and branches. Feeding larvae expel […]
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. They may also occasionally attack oak and aspen. The adult moth is satiny and pure white, with a wingspan of 1 1/2″ […]
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 butterfly. The adult is approximately 2 1/2″ across, with purplish-brown to blackish wings bordered by a creamy yellow stripe and a row […]