What potential outcome occurs if boxwood defoliation by the moth is severe or prolonged?

Answer

The defoliated stems often die back

When caterpillars consume all the leaves, exposing the woody stems, if the infestation lasts too long or is too intense, these exposed stems can die. This process is catastrophic for established structural plantings.

What potential outcome occurs if boxwood defoliation by the moth is severe or prolonged?
insectTreedamagepestbox tree moth