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Home
Plant Health
IPM
Ornamental Pest Guide
Ornamental Pest Guide
Ornamental Pest Guide
Download full
Common Ornamental Pests of Utah
PDF
Abiotic Disorders
Arthropods
Diseases
Molluscs
Vertebrates
Weeds
Abiotic Disorders
Deicing Salt Damage
Drought/ Underwatering
Herbicide Damage
Improper Planting
Iron Chlorosis
Leaf Scorch
Mechanical Damage
Overwatering
Restricted Root Zone
Sunscald
Winter Desiccation
Image Attribution
Salt damage on quaking apsen: William Jacobi, Colorado State University, Bugwood.org
Drought damage: Robert L. Anderson, USDA Forest Service, Bugwood.org
Herbicide damage: Ryan Davis, Utah State University Extension
Improper mulching: Jason Sharman, Vitalitree, Bugwood.org
Iron chlorosis on maple: Marion Murray, Utah State University Extension
Leaf scorch: Marion Murray, Utah State University Extension
Mower/weed wacker damage: David Robinson, University of Illinois, Bugwood.org
Overwatering: USDA Forest Service, Bugwood.org
Restricted root zone: William Fountain, University of Kentucky, Bugwood.org
Sunscald: eXtension.org
Winter Desiccation: William Jacobi, Colorado State University, Bugwood.org
Arthropods
Ants
Carptenter Ants
Field Ants
Harvester Ants
Pavement Ant
Pyramid Ants
Aphids and Adelgids
Cooley Spruce Gall Adelgid
Giant Conifer Aphids
Leafcurl Ash, Woolly Apple & Woolly Beech Aphids
Petiolegall & Vagabond Gall Aphids
Other Aphids
Bark Beetles
Ash Bark Beetle (Western)
Cedar/Cypress Beetles
Elm Bark Beetles
Pine Engraver
Pinyon Ips
Shothole Borer
Spruce Ips
Walnut Twig Beetle
Bees
Leafcutter Bees
Cicadas
Cicadas
Earwigs
European Earwig
Flies
Honeylocust Pod Gall Midge
Poplar Twiggall Fly
Gall Wasps
Cynipid Gall Wasps
Rose Gall Wasps
Grasshoppers
Grasshoppers
Leaf Beetles and Weevils
Cottonwood Leaf Beetle
Elm Leaf Beetle
Poplar and Willow Borer
Root Weevils
Sumac Flea Beetle
White Pine Weevil
Leafhoppers
Leafhoppers
Leafminers and Needleminers
Leafminers and Needleminers
Mites
Ash Flower Gall Mite / Cottonwood Catkingall Mite
Clover Mite
Fingergall and Pouchgall Mites
Honeylocust Spider Mite
Poplar Budgall Mite
Spruce Spider Mite
Two-Spotted and McDaniel Spider Mites
Moths
Cankerworms
Carpenterworm Moth
Douglas-fir Tussock Moth
Fall Webworm
Leafroller Moths
Pine Tip Moths
Western Grapeleaf Skeletonizer
Western Tent Caterpillar
Plant/Lace/Seed Bugs
Ash Plant Bug
Boxelder Bug
Elm Seed Bug
False Chinch Bug
Honeylocust Plant Bug
Lace Bugs
Sycamore Plant Bug
Psyllids
Hackberry Nipplegall Psyllid
Sawflies
European Pine Sawfly
Pearslug/Pear Sawfly
Scales
Black Pineleaf Scale
Cottony Maple Scale
Euonymus Scale
European Elm Scale
European Fruit Lecanium Scale
Fletcher Scale
Juniper Scale
Oystershell Scale
Pine Needle Scale
Spruce Bud Scale
Sycamore Scale
Stink Bugs
Brown Marmorated Stink Bug
Stink Bugs
Thrips
Western Flower Thrips
Wood Borers (Moths, Beetles and Horntail Wasps)
Banded Ash Borer
Bronze Birch Borer
Emerald Ash Borer
Flatheaded Appletree Borer / Pacific Flatheaded Borer
Greater Peachtree Borer
Honeylocust Borer
Lilac-Ash Borer
Locust Borer
Pigeon Tremex
Pine Sawyers
Poplar Borer
Prionus Borers
Sequoia Pitch Moth
Diseases
Anthracnose
Armillaria Root Rot
Cytospora Canker
Fire Blight
Leaf Spots
Phytophthora Root and Crown Rot
Powdery Mildew
Pythium Root Rot
Rose Mosaic
Rusts
Slime Flux
Sooty Mold
Verticillium Wilt
Witches' Broom
Wood Decay Fungi
Image Attribution
Anthracnose: Marion Murray, Utah State University Extension
Armillaria: William Jacobi, Colorado State University, Bugwood.org
Cytospora: Claudia Nischwitz, Utah State University Extension
Fire Blight: William
Jacobi, Colorado State University, Bugwood.org
Leaf Spot: Ward Upham, Kansas State University, Bugwood.org
Phytophthora: Daren Mueller, Iowa State University, Bugwood.org
Powdery Mildew: Whitney Cranshaw, Colorado State University, Bugwood.org
Pythium: Donald Groth, Louisiana State University AgCenter, Bugwood.org
Rose Mosaic: Penn State Department of Plant Pathology and Environmental Microbiology Archives, Bugwood.org
Rust: Claudia Nischwitz, Utah State University Extension, Bugwood.org
Slime Flux: Sherman V. Thomson, Utah State University
Sooty Mold: Joseph O'Brien, USDA Forest Service, Bugwood.org
Verticillium: Howard F. Shwartz, Colorado State University, Bugwood.org
Witches' Broom: Claudia Nischwitz, Utah State University Extension
Brown Rot: Mates, Wikimedia Commons
Molluscs
Brown Garden Snail
Image Attribution
Brown Garden Snail: Joseph Berger, Bugwood.org
Vertebrate Pests
Pocket Gophers
Voles
Image Attribution
Pocket Gopher: Ian Silvernail, Wikimedia Commons
Vole: Manuel R., Wikimedia Commons
Weeds
Annual Bluegrass
Annual Kochia
Annual Ryegrass
Annual Sowthistle
Bermudagrass
Bittersweet Nightshade
Black Medic
Broadleaf Plantain
Bur Buttercup
Canada Thistle
Common Chickweed
Common Groundsel
Common Lambsquarters
Common Mallow
Common Purslane
Common Yarrow
Creeping Woodsorrel
Dandelion
Downy Brome
Field Bindweed
Green Foxtail
Henbit
Hoary Cress
Large Crabgrass
Persian Speedwell
Pineappleweed
Prickly Lettuce
Prostrate Knotweed
Puncturevine
Purple Deadnettle
Quackgrass
Redroot Pigweed
Redstem Filaree
Shepherd's-Purse
Siberian Elm
Spotted Spurge
Star of Bethlehem
Western Salsify
White Clover
Image Attribution
Annual Bluegrass: Rasbak, Wikimedia Commons
Annual Kochia: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Annual Ryegrass: Harry Rose, Flickr.com
Annual Sowthistle: Forest and Kim Starr, Starr Environmental, Bugwood.org
Bermudagrass: Steve Dewy, Utah State University
Bittersweet Nightshade: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Black Medic: Bruce Ackley, The Ohio State University, Bugwood.org
Broadleaf Plantain: John Cardina, The Ohio State University, Bugwood.org
Bur Buttercup: Bonnie Million, National Park Service
Canada Thistle: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Common Chickweed: Hugo.arg, Wikimedia Commons
Common Groundsel: Robert Videki, Bugwood.org
Common Lambsquarters: Robert Videki, Bugwood.org
Common Mallow: Howard F. Schwartz, Colorado State University, Bugwood.org
Common Purslane: Lynn Sosnoskie, University of Georgia, Bugwood.org
Common Yarrow: Theodore Webster, USDA Agricultural Research Service
Creeping Woodsorrel: Joseph M. DiTomaso, University of California, Bugwood.org
Dandelion: Howard F. Schwartz, Colorado State University, Bugwood.org
Downy Brome: Chris Evans, University of Illinois, Bugwood.org
Field Bindweed: Howard F. Schwartz, Colorado State University, Bugwood.org
Green Foxtail: Wendy Vandyk Evens, Bugwood.org
Henbit: Steve Dewey, Utah State University
Hoary Cress: Mark Schwarzlander, University of Idaho, Bugwood.org
Large Crabgrass: Doug Doohan, The Ohio State University, Bugwood.org
Persian Speedwell: Joseph M. DiTomaso, University of California, Bugwood.org
Pineappleweed: John D. Byrd, Mississippi State University, Bugwood.org
Prickly Lettuce: John M. Randall, The Nature Conservancy, Bugwood.org
Prostrate Knotweed: Robert Videki, Bugwood.org
Puncturevine: Howard F. Schwartz, Colorado State University, Bugwood.org
Purple Deadnettle: Ansel Oommen, Bugwood.org
Quackgrass: Matt Lavin, Wikimedia Commons
Redroot Pigweed: Howard F. Schwartz, Colorado State University, Bugwood.org
Redstem Filaree: Forrest and Kim Starr, Starr Environmental, Bugwood.org
Shepherd's-purse: Robert Videki, Bugwood.org
Siberian Elm: John M. Randall, The Nature Conservancy, Bugwood.org
Spotted Spurge: F. D. Richards, Flickr.com
Star of Bethlehem: Richard Gardner, UMES, Bugwood.org
Western Salsify: Howard F. Schwartz, Colorado State University, Bugwood.org
White Clover: Chris Evans, University of Illinois, Bugwood.org