HOST PLANTS:Boxwood Buxus spp. DAMAGE:Female flies puncture foliage creating a small yellow hole on the underside of leaves to lay eggs. Larvae mine leaves by feeding on the mesophyll layer, forming a blister on the surface of foliage and often discoloration. The...
PEAR TRELLIS RUST HOST PLANTS: Ornamental and fruit bearing Pear trees. Alternate hosts Junipers and Cypress. DAMAGE:The disease is easily detected on pear leaves which become covered with orange spots in early summer and grey, fuzzy growth in the fall. It is usually...
HOST PLANTS: Many aphid species feed on only one plant species, while others feed on hundreds of plant species. DAMAGE: Many species of aphids cause the greatest damage when temperatures are warm but not hot. Plants exhibiting aphid damage can have a variety of...
