Poplar: Carpenterworm Categories: Ornamental trees Ornamentals Poplar Poplar Insects Last review date: 2025-06-28 09:14 Last edit date: Carpenterworm larval mine Photo by: Unknown Biology Carpenterworms are the larvae of a mottled gray and black moth. The caterpillars are white to pinkish red with a dark head and 1″ to 3″ long when mature. They bore […]
Poplar: Oystershell scale Categories: Ornamental trees Ornamentals Poplar Poplar Insects Last review date: 2025-06-28 09:17 Last edit date: Severe oystershell scale infestation on twig Photo by: Unknown Biology Oystershell scales are usually found on trunks, branches, and twigs. They occur infrequently on the leaves. Immature scales, or crawlers, are yellowish to white. They are typically […]
Poplar: Poplar petiole gall aphids Categories: Ornamental trees Ornamentals Poplar Poplar Insects Last review date: 2025-06-28 09:21 Last edit date: Poplar petiole gall aphid Photo by: A.L. Antonelli Biology Aphids which cause galling of the leaf stem (petiole) are small, soft-bodied insects. The females lay eggs on tree bark in the fall. The eggs hatch […]
Poplar: Poplar-and-willow borer Categories: Ornamental trees Ornamentals Poplar Poplar Insects Last review date: 2025-06-28 09:22 Last edit date: 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, legless, and about 1/4″ long at maturity. They feed by mining beneath the […]
Poplar: Satin moth Categories: Ornamental trees Ornamentals Poplar Poplar Insects Last review date: 2025-06-28 09:27 Last edit date: Satin moth Photo by: A.L. Antonelli Biology The caterpillars of the satin moth feed on leaves of poplars and willows. They may also occasionally attack oak and aspen. The adult moth is satiny and pure white, with […]
Poplar: Tent caterpillars Categories: Ornamental trees Ornamentals Poplar Poplar Insects Last review date: 2026-09-29 06:57 Last edit date: Tent caterpillars and webbing Photo by: R.S. Byther Biology Two species of tent caterpillar are common in Washington. The forest tent caterpillar is about 2″ long at maturity and has a bluish body with black and white […]