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University of Nebraska–Lincoln

Woody Ornamentals

Host/Pest Guide to Insects & Mites

Attacking Woody Ornamentals

A - C | D - J | K - Q | R - Z |

ARBORVITAE Aphids Bagworms Black vine weevils Mites spruce twospotted Scale insects Fletcher	ASH Aphids ash leafcurl Ash plant bugs Boxelder bugs Borers banded ash clearwing lilac (ash) roundheaded redheaded Fall webworm Galls ash flowergall mites Great ash sphinx caterpillars Leafrollers Sawflies, ash Scale insects oystershell scurfy	ASPEN Aphids Scale insects black willow scurfy
AZALEA/RHODODENDRON Azalea lace bugs Azalea leafminers Black vine weevils	BALDCYPRESS Bagworm Galls baldcypress gall mites	BIRCH Aphids Birch leafminers Birch leaf skeletonizers Borers bronze birch Fall webworm Scale insects Yellow necked caterpillars
CATALPA Catalpa sphinx caterpillars Fall webworm	COTONEASTER Aphids Cotoneaster webworms Leaf crumplers Mites twospotted Sawflies (pearslugs) Uglynest caterpillars	COTTONWOOD/POPLAR Borers cottonwood poplar Cottonwood dagger moths Cottonwood leaf beetles Fall webworm Galls poplar petiolegall aphids Poplar leafminer Poplar leaffolding sawflies Scale insects oystershell scurfy

DOGWOOD Borers Scales insects oystershell Treehoppers	ELM Aphids woolly elm Bark beetles Cankerworms spring fall European Elm Bark Beetle Elm leaf beetles Elm leafminers Galls Leafhoppers Scale insects European elm	EUONYMUS Scale insects euonymus winged euonymus
FIRS Aphids balsam twig Balsam woolly adelgids Galls Cooley sprucegall adelgids Mites spruce twospotted Scale insects pine needle	FIRETHORN(Pyracantha) Aphids Hawthorn lace bugs	FLOWERING FRUIT TREES Aphids woolly Borers clearwing, Peachtree flatheaded, Appletree roundheaded, Appletree Cankerworms, spring Fall webworm Fruit-tree leaf rollers Leaf crumplers Leafhoppers Mites European red twospotted Oriental fruit moths Pear psyllids Sawflies, (pearslugs) Scale insects oystershell Tent caterpillars Ugly nest caterpillars Unicorn caterpillars Yellow necked caterpillars
FORSYTHIA Mites Scale insects oystershell	HACKBERRY Galls hackberry petiole hackberry blister nipplegall psyllids witches'-broom Hackberry butterfly caterpillars Hackberry leafminers Lace bugs	HAWTHORN Aphids wooly Borers flatheaded, Appletree roundheaded, Appletree Fall webworm Lace bugs Leafhoppers Scale insects cottony maple oystershell scurfy terrapin Yellow necked caterpillars
HONEYLOCUST Borers honeylocust Fall webworm Honeylocust plant bugs Galls honeylocust podgall midges Leafhoppers Mimosa webworms Mites honeylocust spider Scale insects oystershell	HONEYSUCKLE Aphids honeysuckle Mites	JUNIPER/CEDAR Bagworm Mites spruce twospotted Scale insects juniper Spittlebugs Thrips

LILAC Borers lilac (ash) Scale insects oystershell	LINDEN Aphids Bagworm Basswood lace bugs Borers Fall webworm Galls spindle Leafhoppers Tussock moth caterpillars Yellow necked caterpillars	LOCUST (black) Borers locust Mites Skipper caterpillars
MAGNOLIA Scale insects magnolia	MAPLE Aphids Bark beetles Boxelder bugs Borers flatheaded Fall webworm Galls maple bladdergall mite Greenstriped mapleworms Leafhoppers Mites Erineum Pigeon tremex Scale insects cottony maple oystershell	MOUNTAIN ASH Aphids wooly Borers Fall webworm Mites
OAK Aphids Borers flatheaded roundheaded Carpenterworms Fall webworm Galls apple blister bullet hairy midrib petiole wooly leaf/flake wooly oak Oak lace bugs Sawflies oak Scale insects lecanium obscure oak kermes Twig girdler Twig pruner Yellownecked caterpillars	PINE Aphids giant bark green spotted Bark beetles Borers pine (Dioryctria sp.) European pine shoot moths European pine sawflies Jack pine budworms Metallic pitch nodule makers Mites spruce twospotted Nantucket pine tip moths Pine bark adelgids Pine needle sheathminers Pine sawyer beetles Pitch midges Scale insects pine needle pine tortoise Spittlebugs	PRIVET Borers privet (ash) Privet thrips Scale insects

REDBUD Borers Fall webworm Leafhoppers Leaftiers Redbud leaffolder/leafroller Treehoppers	ROSE Aphids Cane girdlers Green fruitworms Leafcutter bees Leafhoppers Mites twospotted Roseslugs Rose Stem Girdlers Rose chafers	SERVICEBERRY Aphids Borers Lace bugs Mites twospotted Sawflies (pearslugs) Scale insects
SPIREA Aphids Fruittree leafrollers Spirea leaftiers	SPRUCE Aphids Bagworm Scale insects pine needle Spruce needleminers Mites spruce twospotted	SYCAMORE Aphids Leaffolders Leaftiers Sycamore lace bugs
VIBURNUM Aphids viburnum Borers viburnum shoot Mites twospotted	WALNUT Aphids Fall webworm Mites twospotted Walnut caterpillars	WILLOW Aphids willow Borers Fall webworm Leaf beetles Leafhoppers Mites Scale insects oystershell scurfy
YEW (Taxus sp.) Black vine weevils Scale insects Fletcher Taxus mealybugs