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The black vine weevil is a destructive insect that kills host plants by feeding on their foliage. Larvae are white, C-shaped grubs that feed on plant roots and bark cambium, resulting in yellowing and wilting of foliage, and plant death.
Borers are chewing insects, usually in larval stages, that chew and feed on the inner bark and/or wood of trees. Most species are the larvae of beetles.
Boxwood decline is a condition that causes weak growth, discoloring of leaves and branch dieback in boxwood shrubs. This condition usually involves several factors, including poor planting conditions and improper cultural practices, as well as stem and root diseases.
The bronze birch borer (Agrilus anxius) is a destructive beetle that feeds on birch trees. Signs of this pest include off-color and sparse foliage in the upper canopy of the birch tree, dead branches in the upper crown and swollen ridges on the trunk and branches.