Box tree moth larvae can be found actively feeding on some boxwood shrubs in Residential Toronto gardens. They seem to prefer boxwood plants that receive partial shade but can also be found in full sun gardens.
Dipel and Xentari contain a lethal bacteria such that when BTM larvae consume the spray residue on the leaves, they soon stop feeding and expire within a couple of days.
Inspect your clients boxwood for actively feeding BTM larvae and tree boxwood shrubs to prevent the next generation of larvae and slow the spread of this important pest.