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Euonymus
Aphids: Apply horticultural spray oil as a dormant treatment. Formulations of abamectin, acephate, acetamiprid, azadirachtin, Beauveria bassiana, 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), cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, dinotefuran, disulfoton, fenpropathrin, horticultural oil, hydrophobic extract of neem oil, imidacloprid, lambda-cyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), malathion, oxydemetonmethyl, permethrin (Astro Insecticide and Permethrin Pro only), pymetrozine, pyrethrins and piperonyl butoxide, pyriproxyfen, tau-fluvalinate, and thiamethoxam are labeled for aphid management. Marathon 1% G and Marathon 60 WP are labeled for use only on plants grown in containers, flats, benches, or beds. Cyfluthrin and dimethoate are labeled for aphid management on euonymus. DuraGuard ME is labeled for management of aphids on euonymus. BotaniGard ES and BotaniGard 22WP are not labeled for application on euonymus.
Management Hints: Select and apply horticultural spray oil according to label directions. Treat when aphids are first observed in the spring. Repeat application of an insecticide may be needed to manage an aphid infestation. (pp. 302, 310)
Euonymus Alatus Scale: Formulations of acephate, azadirachtin (Ornazin 3% EC only), buprofezin, carbaryl, chlorpyrifos (DuraGuard ME and Dursban 50W only), cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, dimethoate, dinotefuran, horticultural oil, hydrophobic extract of neem oil, insecticidal soap, lambda-cyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), and methidathion are labeled to manage crawlers.
Management Hints: Select and apply horticultural spray oil according to label directions. Crawler sprays are effective when made from late June through July. Repeat applications may be necessary due to an extensive egg-laying period. One generation occurs each year. (p. 388)
Euonymus Caterpillar: Formulations of acephate, 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, cryolite, cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, lambda-cyhalothrin, permethrin (Astro Insecticide only), pyrethrins and piperonyl butoxide, and tau-fluvalinate are registered for management of this pest.
Management Hints: Treat when caterpillars are first observed in late May or early June. (p. 174)
Euonymus Scale: Crawlers may be managed with formulations of acephate, acetamiprid, azadirachtin (Ornazin 3% EC only), buprofezin, carbaryl, chlorpyrifos (DuraGuard ME and Dursban 50W only), cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, dimethoate, dinotefuran, horticultural oil, hydrophobic extract of neem oil, insecticidal soap, lambda-cyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), malathion, methidathion, and pyriproxyfen.
Management Hints: Select and apply horticultural spray oil according to label directions. Apply crawler treatments in late May through June. Second-generation crawlers may require treatment from late July through early August. Repeat applications may be necessary. Prune and destroy heavily infested twigs and branches. (p. 388)
Indian Wax Scale: Crawlers may be managed with acephate, acetamiprid, azadirachtin (Ornazin 3% EC only), buprofezin, carbaryl, chlorpyrifos (DuraGuard ME and 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)
Twobanded Japanese Weevil: Formulations of acephate, bifenthrin (Onyx Insecticide, Talstar GC Flowable, and Talstar Lawn & Tree Flowable only), cyfluthrin and imidacloprid, lambda-cyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), permethrin (Astro Insecticide and Permethrin Pro only), and pyrethrins and piperonyl butoxide are labeled for management of adult weevils.
Management Hints: This brown weevil feeds during the day. Marginal notching of new foliage is a symptom of adult feeding. Treat infested plants when new foliage has notched margins during early July through August. (p. 244)
Twospotted Spider Mite: Formulations of abamectin, bifenazate, 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, clofentezine, deltamethrin, dicofol, disulfoton, etoxazole, fenbutatin-oxide, fenpropathrin, fenpyroximate, hexythiazox, 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, pyridaben, spinosad, spiromesifen, and tau-fluvalinate are labeled for management of this pest.
Management Hints: Select and apply horticultural spray oil according to label directions. Treat when mites first appear in late June or early July. Repeat applications may be needed. (p. 476)