Azalea: Azalea bark scale categories: Azalea Azalea Insects Ornamentals Shrubs revision date: 2022-11-30 12:00 Azalea bark scale and sooty moldPhoto by: A.L. Antonelli Biology The azalea bark scale is a soft scale resembling mealybugs. Red females cover themselves and their eggs with a white, waxy, protective coating. Cottony masses of the scales are often located […]
Azalea: Azalea lace bug categories: Azalea Azalea Insects Ornamentals Shrubs revision date: 2023-04-04 12:00 Azalea lace bug damage and tar spots on azaleaPhoto by: J. Glass Biology Azalea lace bug (Stephanitis pyrioides) is a relatively new insect pest in the Pacific Northwest. Unlike rhododendron lace bug (S. rhododendri), azalea lace bug attacks both azaleas and […]
Azalea: Azalea leafminer categories: Azalea Azalea Insects Ornamentals Shrubs revision date: 2022-11-30 12:00 Azalea leafminerPhoto by: A.L. Antonelli Biology The azalea leafminer is a small yellowish caterpillar that grows to about 1/8 to 1/4″ long. Young larvae mine leaves, leaving blisterlike blotches that later turn brown. Older larvae roll and skeletonize leaves. Damaged leaves may […]
Azalea: Obliquebanded leafroller categories: Azalea Azalea Insects Ornamentals Shrubs revision date: 2023-12-02 09:17 Azalea leafroller larval damage on flowersPhoto by: A.L. Antonelli Biology Obliquebanded leafrollers are usually found on the new growth. Their presence can be determined by rolled leaves held in place with webbing. The smooth green caterpillars, about 3/4″ long, can be found […]
Azalea: Root weevils categories: Azalea Azalea Insects Ornamentals Shrubs revision date: 2023-04-04 12:00 Root weevil larval damagePhoto by: A.L. Antonelli Biology Characteristic damage includes notching of leaf edges by adults and minor to severe root and bark damage by larvae. Azaleas generally have less severe leaf notching than rhododendrons, but may be damaged or killed […]
Azalea: Spider mites categories: Azalea Azalea Insects Ornamentals Shrubs revision date: 2022-11-30 12:00 Spider mite webbingPhoto by: A.L. Antonelli Biology Spider mites cause mild to severe stippling (little specks or dots) on leaves. Usually yellowish or bronzish, stippling can, in severe cases, cause leaves to turn brown and drop. Fine webbing is often present, especially […]