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Sweetgum
Bagworm: Formulations of acephate, azadirachtin, Bacillus thuringiensis, 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), cryolite, cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, diflubenzuron, lambda-cyhalothrin, malathion, permethrin, pyrethrins and piperonyl butoxide, spinosad, tau-fluvalinate, tebufenozide, and trichlorfon are labeled for bagworm management.
Management Hints: Bagworm cases (containing overwintering eggs) can be hand-picked from infested host plants during winter and early spring. Registered insecticides may be applied after eggs hatch and caterpillars are small during early to mid-June. (p. 176)
Calico Scale: Horticultural spray oil can be applied as a dormant treatment. Crawlers may be management with formulations of acephate, 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), 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 oils according to label directions. Crawlers may be managed when they are active in June through early July. Repeat applications may be needed. (p. 354)
Fall Webworm: Formulations of acephate, azadirachtin, Bacillus thuringiensis, 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), cryolite, cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, diflubenzuron, lambda-cyhalothrin, permethrin (Astro Insecticide and Permethrin Pro only), pyrethrins and piperonyl butoxide, spinosad, tau-fluvalinate, tebufenozide, and trichlorfon are labeled for management of fall webworm.
Management Hints: Treat when caterpillars are small from late June through July. (p. 166)
Gypsy Moth: Refer to Gypsy Moth. Prior to applying any control material, read individual labels for host-plant clearance information. (pp. 138, 140)
Sweetgum Scale: Crawlers may be managed with formulations of acephate, azadirachtin (Ornazin 3% EC only), buprofezin, carbaryl, chlorpyrifos (Dursban 50W only), cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, 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.
Management Hints: Treat the affected host plant with a registered insecticide when first-generation crawlers appear during mid-May through June. Second-generation crawlers appear in mid-July and may be present until early October. (p. 382)