Alder

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, difl ubenzuron, lambda-cyhalothrin, permethrin (Astro Insecticide and Permethrin Pro only), pyrethrins and piperonyl butoxide, spinosad, tau-fluvalinate, tebufenozide, and trichlorfon are labeled for fall webworm management.
Management Hints: Treat when webs first appear 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)

Leafminer: Formulations of 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), chlorpyrifos (Dursban 50W only), cyfluthrin and imidacloprid, deltamethrin (5SC only), imidacloprid, lambda-cyhalothrin (for adult leafminers), oxydemeton-methyl, permethrin, and pyrethrins and piperonyl butoxide 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: Treat when adults are first noticed from late May through early June. (p.188)

Woolly Alder Aphid: Horticultural spray oil can be applied as a dormant treatment. Formulations of abamectin, acephate, 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), chlorpyrifos (Dursban 50W only), cyfluthrin, cyfluthrin and imidacloprid, deltamethrin, dinotefuran, disulfoton, fenpropathrin, horticultural oil, hydrophobic extract of neem oil, imidacloprid, lambdacyhalothrin (Battle GC, Demand CS, Scimitar CS, Scimitar GC, and Scimitar WP only), malathion, oxydemeton-methyl, permethrin (Astro Insecticide and Permethrin Pro only), pymetrozine, pyrethrins and piperonyl butoxide, pyriproxyfen, tau-fluvalinate, and thiamethoxam are labeled for management of woolly alder aphid. 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. Treat when aphids first appear and repeat as needed, but follow label directions. (p.304)