Viburnum Archives
Insects and diseases that can affect Viburnum (Viburnum).
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Aphids
Many species of aphids or plant lice occur on ornamental trees and shrubs in Pennsylvania.
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Botryosphaeria Canker
The fungus Botryosphaeria can cause a branch dieback on many woody ornamentals. Cankers girdle and kill twigs and branches of species such as horsechestnut, redbud, dogwood, beech, walnut, tulip poplar, sweetgum, crabapple, pine, oak, rhododendron, azalea, rose, willow, elm, and yew. Small black fungal fruiting structures which contain fungal spores develop in the canker.
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Indian Wax Scale
Indian wax scale insects, Ceroplastes ceriferus, are tiny, brownish-purple females with microscopic legs and a thick covering of sticky, white wax.
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Southern Red Mite
The female adult is about 0.38 mm long and resembles a small spider.
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Viburnum Leaf Beetle
An invasive species, the viburnum leaf beetle has the potential to become a serious problem in nurseries and landscapes in Pennsylvania.