Remove host trees in nearby abandoned orchards (apple, pear, and walnut) to destroy reservoirs of codling moth. Remove props, picking bins, and fruit piles from the orchard. Fruit trees: Fall webworm Hand removal and destruction of webbing nests in fall. Bacillus thuringiensis/BT, subsp. (Hyphantria kurstaki . cunea) Gypsy moth (Lymantria Maintain tree vigor by watering and fertilizing properly. Bacillus thuringiensis/BT, subsp. dispar) kurstaki . Use sticky bands or burlap bands around tree trunks to trap and destroy migrating larvae. Soft and armored scales Prune branches to open them up to light, sun and predators. horticultural oil midacloprid (Ceroplastes japonicus) Sanitation: Prune off and destroy heavily infested branches. Manage ants that tend the scales by placing tanglefoot around the tree trunk. Mites: Brown fruit mite Do weed control in orchard. sulfur (Bryobia redicorzevi) Control dust near orchard by watering or oiling dirt roads. horticultural oils Red spider mite Prevent water stress by irrigating or watering orchard during dry times. fenpyroximate (Panonychus ulmi) Broad-spectrum insecticide treatments for other pests frequently cause mite clofentezine outbreaks, so avoid these when possible. etoxazole Fruit tree spider mite pyridaben (Tetranychus viennensis) spirodiclofen spiromesifen Pear blister moth Sanitation: Use autumn plowing and digging of soil around trunks for Use of insecticides is not economical for (Leucoptera malifoliella) destruction of wintering pupae, collection and destruction of fallen leaves in this pest. autumn or in early spring, and cleaning of old bark. Leaf miners (Lyriomyza Do not apply large amounts of nitrogen while miners are present. malathion species) Sanitation: remove crop debris and weeds. imidacloprid Pear leaf blister mite Resistant varieties with naturally russetted surfaces (Bosc, Hardy, Winter and sulfur (Eriophyes = Phytoptus Nelis) do not show the effects of blister mite attack. horticultural oil pyri) Monitor and treat in fall or dormant season. fenpyroximate spiromesifen
Remove host trees in nearby abandoned orchards (apple, pear, and walnut) to destroy reservoirs of codling moth. Remove props, picking bins, and fruit piles from the orchard. Fruit trees: Fall webworm (Hyphantria cunea) Hand removal and destruction of webbing nests in fall. Bacillus thuringiensis/BT, subsp. kurstaki . Gypsy moth (Lymantria dispar) Maintain tree vigor by watering and fertilizing properly. Use sticky bands or burlap bands around tree trunks to trap and destroy migrating larvae. Bacillus thuringiensis/BT, subsp. kurstaki . Soft and armored scales (Ceroplastes japonicus) Prune branches to open them up to light, sun and predators. Sanitation: Prune off and destroy heavily infested branches. Manage ants that tend the scales by placing tanglefoot around the tree trunk. horticultural oil midacloprid Mites: Brown fruit mite (Bryobia redicorzevi) Red spider mite (Panonychus ulmi) Fruit tree spider mite (Tetranychus viennensis) Do weed control in orchard. Control dust near orchard by watering or oiling dirt roads. Prevent water stress by irrigating or watering orchard during dry times. Broad-spectrum insecticide treatments for other pests frequently cause mite outbreaks, so avoid these when possible. sulfur horticultural oils fenpyroximate clofentezine etoxazole pyridaben spirodiclofen spiromesifen Pear blister moth (Leucoptera malifoliella) Sanitation: Use autumn plowing and digging of soil around trunks for destruction of wintering pupae, collection and destruction of fallen leaves in autumn or in early spring, and cleaning of old bark. Use of insecticides is not economical for this pest. Leaf miners (Lyriomyza species) Do not apply large amounts of nitrogen while miners are present. Sanitation: remove crop debris and weeds. malathion imidacloprid Pear leaf blister mite (Eriophyes = Phytoptus pyri) Resistant varieties with naturally russetted surfaces (Bosc, Hardy, Winter and Nelis) do not show the effects of blister mite attack. Monitor and treat in fall or dormant season. sulfur horticultural oil fenpyroximate spiromesifen
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