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Symptoms
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Catalog

Shade Treees A - H

A

Ash, Mountain

Symptoms	Probable Cause	Bonide Best Solution
Many holes in branches; smaller Limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Leaves curled; discolored	Aphids	Annual Tree & Shrub, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Holes in leaves	Sawflies	Annual Tree & Shrub, Bon-Neem CR, Rote/Pyr, Total Outdoor
Small bumps on leaves and branches; growth of tree may be stunted	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Leaves stippled/yellow/bronze/dry out/Drop. Webbing visible, leaf galls	Mites	Mite-X, Total-Outdoor, Sulfur, Systemic Insect, Systemic Granules
Flowers and shoots wilt suddenly in spring	Fire Blight (bacterial)	Fire Blight Spray
Rust colored spots on leaves	Rust (fungus)	Infuse C, Fungonil CR
Dead spots on leaves; shoots blighted	Scab (fungus)	Captan, Sulfur (C)
Young portions of foliage disappear, or young tips disappear, bark peeled in strips	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Ash, White

Symptoms	Probable Cause	Bonide Best Solution
Many holes in branches; smaller limbs girdled sawdust at holes	Borers Including Emerald Ash Borer	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Holes in foliage	Box Elder Bug	TOTAL-Outdoor
Leaves consumed; tawny egg masses visible on trunk	Larvae Of Gypsy Moth	Systemic Insect C, Eight CRSD, Thuricide BT (C),
Foliage turns pale or mottled	Lace Bug	Annual Tree & Shrub, Eight CRS, Bon-Neem CR, Systemic Insect C
Limbs die; large holes appear; starting at top of tree	Asian Long Horned Beetles	Annual Tree & Shrub, Eight CRS
Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up	Leafminer	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves	Mites	Mite-X, Total-Outdoor, Sulfur, Systemic Insect, All Seasons CRS
Small bumps on leaves and branches; growth of tree may be stunted	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Leaves notched	Weevil	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Total Outdoor
Irregular tan or brown spots on leaves at veins; expand until leaves die; sometimes sunken spots on leaves	Anthracnose (fungus)	Infuse C, Liquid Copper, Lime Sulfur
Reddish-brown spots on bark	Canker Stain (fungus)	Copper
Leaves covered with white powder	Powdery Mildew	Infuse C, Bon-Neem, Fung-onil
Rust colored spots on leaves	Rust (fungus)	Infuse C, Fungonil CR
New shoots branch from side buds	Witch's Broom (fungus)	Prune unsightly branches
Bark of trunk and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

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B

Beech, American

Symptoms	Probable Cause	Bonide Best Solution
Leaves curled and distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; smaller limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Limbs die; large holes appear; starting at top of tree	Asian Long Horned Beetle	Annual Tree & Shrub
Small bumps on leaves and branches	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Holes chewed in leaves	Caterpillars & Loopers	Systemic Insect C, Eight CRSD, Thuricide BT (C)
Swollen; bleeding lesions on stems and trunk	Cankers	Infuse, Fungonil C
Leaves appear spotted; then scorched	Leaf Mottle	Fungonil C
Leaves spotted; fall prematurely	Leaf Spot (fungus)	Infuse, Fungonil C
Leaves covered with white powder	Powdery Mildew	Infuse C, Bon-Neem, Fung-onil
On young trees foliage looks burned	Dog Urine	Dog/Cat, Rabbit/Dog
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Beech, European

Symptoms	Probable Cause	Bonide Best Solution
Leaves curled and distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; smaller limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Limbs die; large holes appear; starting at top of tree	Asian Long Horned Beetle	Annual Tree & Shrub
Small bumps on leaves and branches	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Holes in leaves	Caterpillars And Loopers	Systemic Insect C, Eight CRSD, Thuricide BT (C)
Swollen; bleeding lesions on stems/trunk	Canker	Infuse, Fungonil C
Leaves appear spotted; then scorched	Leaf Mottle	Fungonil C
Leaves spotted; fall prematurely	Leaf Spot (fungus)	Infuse, Copper, Fungonil
Leaves covered with white powder	Powdery Mildew	Infuse C, Bon-Neem, Fung-onil
On young trees foliage looks burned	Dog Urine	Dog/Cat, Rabbit/Dog
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Birch, River

Symptoms	Probable Cause	Bonide Best Solution
Tree branches break	Winter Damage	Protect tree
Tree dies suddenly	Old Age	Get rid of tree
Leaves scorch; turn tan; dry appearance	Leaf Scorch	Fire Blight Spray
Leaves curled and distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Small holes in bark and stems surrounded by sawdust	Bronze Birch Borer	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up	Birch Leafminers	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Leaves skeletonized	Birch Skeletonizer	Eight C, Rotenone/Pyrethrin
Holes in leaves	Loopers	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves	Seed Mites	Mite-X, Total-Outdoor, Sulfur, Systemic Insect C
Branches encrusted with small bumps	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Water-soaked lesions on branches	Canker (bacteria)	Fire Blight Spray
Upper branches dead	Dieback (fungus)	Fungonil C, Infuse
Shelf-like growths on trunks	Wood Rot (bacteria)	Prune infected areas
Leaves blistered and curled up	Leaf Blister (fungus)	Infuse, Captan, Liquid Copper
Leaves spotted; turn brown	Leaf Spot (fungus)	Infuse, Copper, Fungonil
Leaves have powdery spots	Rust (fungus)	Infuse C, Fungonil CR
On young trees foliage looks burned	Dog Urine	Rabbit/Dog, Dog/Cat,
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Birch, White

Symptoms	Probable Cause	Bonide Best Solution
Tree branches break	Winter Damage	Protect from damage
Leaves curled and distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Small holes in bark and stems surrounded by sawdust	Bronze Birch Borer	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Trees defoliated, brown egg cases appear on trunk	Larvae Of Gypsy Moth	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up	Birch Leafminers	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Leaves skeletonized	Birch Skeletonizer	Total Out, Rotenone/Pyrethrin
Holes in leaves	Loopers	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Water-soaked lesions on branches	Canker (bacterial)	Fire Blight Spray
Upper branches dead	Dieback (fungus)	Infuse
Shelf-like growths on trunks	Wood Rot (fungus)	Prune infected branches
Leaves blistered and curled up	Leaf Blister (fungus)	Infuse, Liq. Copper, Captan
Leaves spotted; turn brown	Leaf Spot (fungus)	Infuse, Copper, Fungonil
Leaves have powdery spots	Rust (fungus)	Infuse C, Fungonil CR, Sulfur
On young trees foliage looks burned	Dog Urine	Rabbit/Dog, Dog/Cat,
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled in strips	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

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C

Chestnut, Chinese

Symptoms	Probable Cause	Bonide Best Solution
Fails to produce nuts	Late/Early Frost	Cover plant for protection
Many holes in branches; limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Holes in leaves	Caterpillars	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Wormy; deformed nuts	Weevils	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Total Outdoor
Cankers on limbs; twigs; trunk	Twig Canker (fungus)	Infuse, Fungonil
Dead blotches on leaves	Leaf Spot (fungus)	Liquid Copper, Fungonil C
Bark of trunk and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

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E

Elm, American/Hybrid

Symptoms	Probable Cause	Bonide Best Solution
Leaves skeletonized	Elm Leaf Beetle	Annual Tree & Shrub, All Seasons CRS,Total Outdoor, Systemic Insect
Holes in bark; bud and twig damage	Smaller European Bark Beetle	BonNeem, All Seasons, Total Outdoor, Systemic Insect C
Leaves galled or distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Branches encrusted with small bumps	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Swollen lesions on stems and trunk	Cankers (bacterial)	Fire Blight Spray
Leaves wilt; branches die	Dutch Elm Disease (fungus)
Leaves curl and wither	Elm Phloem Necrosis (viral)	Copper CD
Leaves spotted; turn brown; drop prematurely	Leaf Spot (fungus)	Infuse, Fungonil C
Leaves turn yellow or brown and wither	Wilt (fungus)	Captan
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Elm, Chinese

Symptoms	Probable Cause	Bonide Best Solution
Leaves skeletonized	Elm Leaf Beetle	Annual Tree & Shrub, All Seasons, Total Outdoor, Systemic Insect C
Holes in bark; bud and twig damage	Smaller European Bark Beetle	BonNeem, All Seasons, Total Outdoor, Systemic Insect C
Leaves galled; deformed	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Branches encrusted with small bumps	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Systemic Insect C
Swollen lesions on stems and trunk	Canker (bacterial)	Fire Blight Spray
Leaves wilt; branches die, tree dies	Dutch Elm Disease
Leaves curl and wither	Elm Phloem Necrosis (viral)	Copper CD, Fungonil C
Leaves spotted; turn brown; drop	Leaf Spot (fungus)	Infuse, Copper, Fungonil
Leaves turn yellow or brown and wither	Wilt (fungus)	Captan
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Elm, Lacebark

Symptoms	Probable Cause	Bonide Best Solution
Leaves skeletonized	Elm Leaf Beetle	Annual Tree & Shrub, All Seasons, Total Outdoor, Systemic Insect C
Holes in bark; bud and twig damage	Smaller European Bark Beetle	BonNeem, All Seasons, Total Outdoor, Systemic Insect C
Leaves galled; deformed	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die if	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Branches encrusted with small bumps	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Swollen lesions on stems and trunk	Cankers (bacteria)	Fire Blight Spray
Leaves spotted; turn brown; drop	Leaf Spot (fungus)	Infuse, Copper, Fungonil
Leaves turn yellow or brown and wither	Wilt (bacteria)	Captan
Bark of stems and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

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H

Hawthorn

Symptoms	Probable Cause	Bonide Best Solution
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Leaves wrinkled; stunted; leaves fall off	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
White or gray waxy thread coverings	Woolly Aphids	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Bon-Neem CR, Systemic Insect
Many holes in branches; limbs girdled sawdust at holes	Borer	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
White, cottony, cushion-like mass on leaves, stems or branches	Cottonycushion Scales	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Trees defoliated, brown egg cases appear on trunk	Larvae Of Gypsy Moth	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Leaves mottled yellow and green.; hard, shiny droplets on underside of leaves	Hawthorn Lacebug	Annual Tree & Shrub, Eight CRS, BonNeem CR, Systemic Insect C
Blossoms, leaves wilt, turn black, bark is water soaked	Fireblight (bacterial)	Fire Blight Spray
Spots and blotches on leaves; red, purple, brown, yellow or black	Leaf Spot (fungus)	Infuse, Copper, Fungonil
Leaves covered with white powder	Powdery Mildew	Infuse C, Bon-Neem, Fung-onil
Leaves have red, orange, yellow of brown spots	Hawthorn Rust (fungus)	Sulfur C,
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Hickory

Symptoms	Probable Cause	Bonide Best Solution
Galls on leaves; stems and twigs	Gall Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Many holes in branches; limbs girdled sawdust at holes	Hickory Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Holes in bark; twigs wilt	Hickory Bark Beetles	BonNeem CR, All Seasons CRS, Total Outdoor, Systemic Insect C
Leaves rolled together; discolored	Hickory Leafrollers	BonNeem, All Seasons, Total Outdoor, Systemic Insect C
Trees defoliated, brown egg cases appear on trunk	Larvae Of Gypsy Moths	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Tiny bumps on leaves and stems	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Holes in leaves	Pecan Cigar Casebearers	Total-Outdoor, Systemic Insect C
Irregular tan or brown spots on leaves at veins; expand until leaves die; sometimes sunken spots on leaves	Anthracnose (fungus)	Infuse C, Liquid Copper, Lime Sulfur, Mancozeb
Leaves spotted or blotched	Fungal Leaf Spot	Infuse, Copper, Fungonil
Target-shaped cankers on trunks	Nectria Canker (fungus)	Fungonil C
Branches densely clustered together	Witches' Brooms (fungus)	Prune infected branches
Bark of trunk and roots gnawed	Rodent Injury	MoleMax G, Repels-All CRG, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Hickory, Shagbark

Symptoms	Probable Cause	Bonide Best Solution
Galls on leaves; stems and twigs	Gall Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; limbs girdled sawdust at holes	Hickory Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Holes in bark; twigs wilt	Hickory Bark Beetles	BonNeem, All Seasons, Total Outdoor, Systemic Insect C
Leaves rolled together; discolored	Hickory Leaf Rollers	BonNeem, All Seasons, Total Outdoor, Systemic Insect C
Trees defoliated, brown egg cases appear on trunk	Larvae Of Gypsy Moths	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Tiny bumps on leaves and stems	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Irregular tan or brown spots on leaves at veins; expand until leaves die; sometimes sunken spots on leaves	Anthracnose (fungus)	Infuse C, Liquid Copper, Lime Sulfur, Mancozeb
Leaves spotted or blotched	Fungal Leaf Spot	Infuse, Copper, Fungonil
Bull's-eye cankers on trunks	Nectria Canker (fungus)	Fungonil C,
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

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L

Larch, American

Symptoms	Probable Cause	Bonide Best Solution
Larch fails to thrive	Too much shade	Prune back other trees
Needles curled and distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Leaves browned in spring	Larch Case Bearer	Total-Outdoor, Systemic Insect C
Needles notched; stripped	Larch Sawfly	Annual Tree & Shrub, Bon-Neem CR, Rote/Pyr, Total Outdoor
Needles chewed	Japanese Beetle	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Total Outdoor
Needles consumed; visible tawny egg masses	Larvae Of Gypsy Moth Caterpillar	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Branches and stems girdled; resin visible	Canker Stain	Fire Blight Spray, Fungonil
Needles turn yellow; then brown	Leaf Cast (fungus)	Fungonil C, Infuse
Needles yellowed; undersides show fungus	Rust (fungus)	Infuse C, Fungonil CR, Sulfur
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Larch, European

Symptoms	Probable Cause	Bonide Best Solution
Larch fails to thrive	Too Much Shade	Move the tree
Needles curled and distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Leaves browned in spring	Larch Case Bearer	Total-Outdoor, Systemic Insect C
Needles notched; stripped	Larch Sawfly	Annual Tree & Shrub, Bon-Neem CR, Rote/Pyr, Total Outdoor
Needles chewed	Japanese Beetle	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Total Outdoor
Needles consumed; visible tawny egg masses	Gypsy Moth Caterpillar	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Branches and stems girdled; resin visible	Canker	Fire Blight Spray, Fungonil
Needles turn yellow; then brown	Leaf Cast (fungus)	Fungonil C, Infuse
Needles yellowed; undersides show fungus	Rust (fungus)	Infuse C, Fungonil CR, Sulfur
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Linden, American

Symptoms	Probable Cause	Bonide Best Solution
Poor spring foliage/early leaf drop	Poor Soil Conditions	Replace or recondition soil
Leaves curled; distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Leaves consumed; visible yellow egg masses	Larvae Of Gypsy Moth	Systemic Insect C, Eight CRSD, Rotenone/Pyrethrin
Holes in leaves	Japanese Beetles	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Total Outdoor
Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up	Basswood Leafminer	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Leaves have ragged holes	Linden Leaf Beetle	Annual Tree & Shrub, All Seasons,Total Outdoor, Systemic Insect C
Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves	Mites	Mite-X, Total-Outdoor, Sulfur, Systemic Insect C
Stunted growth; bumps on leaves and branches	Scale	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Irregular tan or brown spots on leaves at veins; expand until leaves die; sometimes sunken spots on leaves	Anthracnose (fungus)	Infuse C, Liquid Copper, Lime Sulfur, Mancozeb
Reddish-brown spots on bark	Canker Stain (fungus)	Fire Blight Spray, Fungonil
White coating on leaves	Powdery Mildew	Infuse C, Bon-Neem, Fung-onil
Circular brown spots on leaves	Leaf Blight (bacterial)	Infuse C, Mancozeb, Copper
Brown spots along veins	Leaf Blotch (fungus)	Fungonil
Bark of trunk and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Linden, Littleleaf

Symptoms	Probable Cause	Bonide Best Solution
Holes in leaves	Japanese Beetles	Annual Tree & Shrub, Eight CRS, All Seasons CRS, Total Outdoor
Leaves curled; distorted	Aphids	Annual Tree & Shrub, Eight CRS, All Seasons, Total Outdoor, Systemic Insect C
Black powdery sooty mold fungus forms on honeydew; branches may die	Ants Herding Aphids	Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin
Many holes in branches; limbs girdled sawdust at holes	Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
White coating on leaves	Powdery Mildew	Infuse C, Bon-Neem, Fung-onil
Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up	Basswood Leafminer	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Leaves have ragged holes	Linden Leaf Beetle	Annual Tree & Shrub, All Seasons, Total Outdoor, Systemic Insect
Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves	Mites	Mite-X, Total-Outdoor, Sulfur, Systemic Insect C
Stunted growth; bumps on leaves and branches	Scale	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Leaves consumed; visible brown egg masses	Larvae Of Gypsy Moth	Systemic Insect C, Total-Outside, Rotenone/Pyrethrin
Irregular tan or brown spots on leaves at veins; expand until leaves die; sometimes sunken spots on leaves	Anthracnose (fungus)	Infuse C, Liquid Copper, Lime Sulfur, Mancozeb
Reddish-brown spots on bark	Canker Stain (fungus)	Fire Blight Spray, Fungonil
Circular brown spots on leaves	Leaf Blight (bacterial)	Infuse C, Mancozeb, Copper
Poor spring foliage/early leaf drop	Poor Soil Conditions	Replace, recondition soil
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Locust, Black

Symptoms	Probable Cause	Bonide Best Solution
Many holes in branches; limbs girdled sawdust at holes	Locust Borers	Annual Tree & Shrub, Eight CRS, Rotenone/Pyrethrin
Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up	Locust Leafminer	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Small bumps on leaves and twigs	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, Total Outdoor, Systemic Insect C
Fungi growths on lower trunk	Wood Rot (fungus)	Prune infected branches
Bunched clusters of twigs	Witches' Broom (fungus)	Prenu infected areas
Bark of trunk and roots gnawed	Rodent Injury	MoleMax G, Repels-All, Gopher Gassers, No Escape
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

Locust, Honey

Symptoms	Probable Cause	Bonide Best Solution
Tents of webbing on tree	Mimosa Webworm	TOTAL-Outdoor, Systemic Insect C, Rotenone/Pyrethrin
Leaves consumed; tawny egg masses visible on trunk	Larvae Of Gypsy Moth	Systemic Insect C, Total-Outside, Rotenone/Pyrethrin
Globular galls at growing tips	Pod Gall Midge	Eight CRSD, Systemic Insect C
Small bumps on leaves and twigs	Scale Insects	Annual Tree & Shrub, Bon-Neem CR, All Seasons CRS, Total Outdoor
Cankers on trunk & branches; wilt; dieback	Canker (bacteria)	Fire Blight Spray, Fungonil
Young portions of foliage disappear, or young tips disappear, bark peeled off	Deer	Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax

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