Updated: February 14, 2022

The photos below are to help with identification of the pests listed on the Pest Predictive Calendar that is part of the commercial ornamental horticulture IPM program.

Boxwood Leafminer Damage on Underside of leaf
Damage on underside of boxwood leaf is caused by boxwood leafminers
Boxwood leafminer damage on upper leaf surface
Boxwood leafminer damage on upper side of foliage. Be sure to check the undersides of foliage for signs of leafminers to rule out discoloration due to cold damage.
Boxwood leafminer within leaf before it pupates in spring
Boxwood leafminer larva shown within leaf in early spring
Boxwood leafminer in the pupal stage
Boxwood leafminer pupae within leaf, close to pupating in spring
Boxwood leafminer adult
Boxwood leafminer adult on leaf