Boxwood

Boxwood Leafminer: Formulations of abamectin, acetamiprid, azadirachtin, bifenthrin (Bifenthrin Pro Multi-Insecticide, Onyx Insecticide, Talstar F, Talstar Lawn & Tree Flowable, Talstar GC Flowable, Talstar Nursery Flowable, and TalstarOne Multi-Insecticide only), carbaryl, chlorpyrifos (Dursban 50W only), cyromazine, cyfluthrin and imidacloprid, deltamethrin (5SC only), dimethoate, imidacloprid, lambda-cyhalothrin (for adult leafminers), malathion, novaluron, oxydemeton-methyl, permethrin, pyrethrins and piperonyl butoxide, spinosad, and trichlorfon are labeled for leafminer management. Marathon 1% G and Marathon 60 WP are labeled for use only on plants grown in containers, flats, benches, or beds.
Management Hints: Apply registered insecticides in May when weigela is in bloom. (p. 204)

Boxwood Psyllid: Formulations of acetamiprid, azadirachtin (Ornazin 3% EC only), Beauveria bassiana, bifenthrin (Bifenthrin Pro Multi-Insecticide, Talstar F, Talstar Lawn & Tree Flowable, and TalstarOne Multi-Insecticide only), carbaryl, chlorpyrifos (Dursban 50W only), cyfluthrin and imidacloprid, deltamethrin (5SC only), horticultural oil (for immature psyllids), imidacloprid, insecticidal soap, and pyrethrins and piperonyl butoxide are labeled for psyllid management. Marathon 1% G and Marathon 60 WP are labeled for use only on plants grown in containers, flats, benches, or beds.
Management Hints: Treat when young psyllids are present in early May. (p. 290)

Boxwood Spider Mite: Formulations of bifenthrin (Bifenthrin Pro Multi-Insecticide, Onyx Insecticide, Talstar F, Talstar Lawn & Tree Flowable, Talstar GC Flowable, Talstar Nursery Flowable, and TalstarOne Multi-Insecticide only), chlorpyrifos (Dursban 50W only), deltamethrin, dimethoate, disulfoton, fenpyroximate, horticultural oil, hydrophobic extract of neem oil, insecticidal soap, lambda-cyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), malathion, oxydemeton-methyl, spinosad, spiromesifen, and tau-fluvalinate are labeled for mite management.
Management Hints: Treat when mites are active in the spring. If repeat applications are needed, follow label directions. (p. 475)

Indian Wax Scale: Crawlers may be managed with acephate, acetamiprid, azadirachtin (Ornazin 3% EC only), buprofezin, carbaryl, chlorpyrifos (Dursban 50W only), cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, dinotefuran, horticultural oil, hydrophobic extract of neem oil, imidacloprid, insecticidal soap, lambda-cyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), malathion, methidathion, and thiamethoxam. Marathon 1% G and Marathon 60 WP are labeled for use only on plants grown in containers, flats, benches, or beds.
Management Hints: Select and apply horticultural spray oil according to label directions. This species overwinters as adult females. Treat the crawler stage when they are active on an infested plant from June through mid-July. Repeat applications may be needed. (p. 356)