In the absence of nearby elm trees, aphids could overwinter on other host ... and a general decline in tree health. Severe ...

There’s still mourning in the voices of some who remember how Dutch elm disease destroyed ... cutting down healthy ash trees, which could only hasten the infestation. “People shouldn’t ...

However, you should inspect your tree regularly for signs of infestation or disease. Common pests affecting Chinese Elm bonsai trees include spider mites, scale insects, and aphids.