The box tree moth, an invasive species from East Asia, poses a significant threat to boxwood shrubs in Michigan. The moth caterpillars can defoliate a boxwood within a single season and eventually ...

The pests are now confirmed in Michigan and Ohio and could spread ... Signs of box tree moth damage Early identification of box caterpillars can help to potentially eradicate any issue.

According to the MSU Extension Office, the first sign of a box tree moth infestation is yellowing. If the plant appears ...