insects and diseases on common long island landscape
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Insects and Diseases on Insects and Diseases on Common Long Island Common Long Island
Landscape PlantsLandscape Plants
Peter FelixPeter FelixISA Certified Arborist NY0263ISA Certified Arborist NY0263
AndromedaAndromeda
Lace bugsAzalea bark scale
Alberta spruceAlberta spruce
Spider mites attack alberta spruce usually in full sun
AzaleasAzaleas
lacebugs Azalea bark scaleTwo banded japanese weevil
ArborvitaeArborvitae
bagworms
Arborvitae leafminer
Spider mites
Arborvitae Leaf-Miner AdultArborvitae Leaf-Miner Adult
Adult
When in flight it resembles a small moth
Phytophthora citricola
Wooly beech aphid
European Beech TreesEuropean Beech Trees
Phytophthora on European Phytophthora on European BeechBeech
American Beech American Beech Beech Bark ScaleBeech Bark Scale
Birch treesBirch trees
Birch leaf miner Bronze birch borer
Birch treesBirch trees
BronzeBirch Borer
Adult
BoxwoodBoxwood
Boxwood leafminer
Boxwood psyllid
CherryCherry
Tent caterpillar
White prunicola scale
CrabappleCrabapple
Tent caterpillar
Cedar-apple rust
Apple scab
CotoneasterCotoneaster
lace bugs
CypressCypress
Spider mites
scale
anthracnose
DogwoodDogwood
Euonymus scale
Euonymus caterpillar Two banded weevil
EuonymusEuonymus
FirFir
Balsam wooly adelgid
Spider mites
HemlockHemlock
Elongate hemlock scale
Hemlock wooly adelgid Spider mites
Cottony camellia scale
Holly leaf miner
HollyHolly
Honey locust plant bug Honey locust plant bug adult
Honey locust pod gall midge
Honey locustHoney locust
Japanese Black PineJapanese Black PineBlack Turpentine BeetleBlack Turpentine Beetle
Pitch tubes which look like sap volcanoes
Blue stain fungusBlue stain fungusThe fungus, carried by the beetle, spreads throughout the tree and restricts
vascular flow to the top of the tree essentially cutting off it’s life supply.
Japanese Black PineJapanese Black PineScaleScale
Juniper scale
Phomopsis tip blight Spider mites
JuniperJuniper
Powdery mildew
White peach scale
LilacLilac
LindenLinden
Cottony scale
MaplesMaples
aphidsaphids
Cottony maple scale
Mountain laurelMountain laurel
Leaf spot
Pine sawfly
Pine sawfly
Pine needle scale
Mugo pineMugo pine
OaksOaks
Gypsy moth
Golden oak scale
Oak gall
Purple leafed plumPurple leafed plum
scale
PrivetPrivet
White peach scale
borers
midge
Black vine weevil
RhododendronsRhododendrons
RosesRoses
aphids
SpireaSpirea
aphids
SpruceSpruce
Spruce gall adelgid
Two spotted mites
SycamoreSycamore
Sycamore anthracnose
White PineWhite Pine
spittlebugPine barkadelgid
White pine weevil
Cottony taxus scale
Fletcher scale
Mealy bugs
Cottony taxus scale
YewYew
Injuries From Poor Cultural Injuries From Poor Cultural PracticesPractices
Lawn mower and weed whacker Damage
SolutionSolution
Weekly Soil Scratching Kills Weekly Soil Scratching Kills roots!roots!
Overhead irrigation hits foliage Overhead irrigation hits foliage causing disease problemscausing disease problems
Overhead irrigation hits foliage Overhead irrigation hits foliage causing disease problemscausing disease problems
Overhead irrigation hits foliage Overhead irrigation hits foliage causing disease problemscausing disease problems
Poor cultural practices Poor cultural practices De-icing saltDe-icing salt
Salt damage
Too DeepToo Deep
Excessive soil around tree trunks
Mulch VolcanoesMulch Volcanoes
Wrong Plant Wrong PlaceWrong Plant Wrong Place
Wrong plant wrong place
Soil CompactionSoil Compaction
Soil CompactionSoil Compaction Construction Construction
vehiclesvehicles Lawn mowersLawn mowers PetsPets Pedestrian trafficPedestrian traffic Rain DropletsRain Droplets
Measuring Soil CompactionMeasuring Soil Compaction
PenetrometerPenetrometer
Alleviating Soil Compaction Alleviating Soil Compaction (Trees)(Trees)
Radial Trenching with Air-SpadeRadial Trenching with Air-Spade
Alleviating Soil Compaction Alleviating Soil Compaction (Trees)(Trees)
Radial Trenching with Air-spadeRadial Trenching with Air-spade
Alleviating Soil Compaction Alleviating Soil Compaction (Trees)(Trees)
Radial Trenching with Air-spadeRadial Trenching with Air-spade
Grade changesGrade changes
Root Collar ExcavationsRoot Collar Excavations
Root Collar ExcavationsRoot Collar Excavations
What is Plant Health Care?What is Plant Health Care?
PHC is the art and science of caring for PHC is the art and science of caring for plants as a whole through frequent plants as a whole through frequent monitoring during the season. PHC monitoring during the season. PHC programs include building soil programs include building soil microbiology, creating proper plant microbiology, creating proper plant growing environments, preventing growing environments, preventing pest problems, and dealing with pest pest problems, and dealing with pest outbreaks, while being sensitive to the outbreaks, while being sensitive to the environment and beneficial organisms.environment and beneficial organisms.
PHC ToolsPHC Tools
Compost TeaCompost Tea
Thank YouThank You
Any Questions? Any Questions?