2007 Plant Health Care Reports
Tagged as: tree disease, phenological indicators, insect sightings
The Morton Arboretum's Plant Health Care (PHC) reports are posted bi-weekly during April and August and weekly from May through July. Each report summarizes current tree disease and insect sightings for northeastern Illinois. The reports also include images, growing degree days and phenological indicators. Periodic feature articles offer more detailed perspectives on a range of PHC topics.
Bagworm bags, Gypsy Moth Egg Masses, Zimmerman Pine Moth, Arborvitae Leafminer, Larch Casebearer, Pine Bark Adelgid, Hemlock Rust Mite, Hemlock Needleminer, Woolly Alder Aphid, Oak Wilt Advisory, Vole and Rabbit Damage.
Feature article: "So what are degree days and why do we care about them anyway?", by Donna Danielson, M.S.
Viburnum Stem Sawfly, Praying mantis egg cases, Golden Canker, Phomopsis Gall on Forsythia, Apple Scab, Frost Damage, Sapsucker Damage.
European pine sawfly, European elm flea weevil, Euonymus webworm, Cankerworms, Elm bark beetles, Spruce Spider mites, Elm leafminer adults, Maple bladder galls, Boxwood psyllids, Honey-locust plant bug, Honey-locust knot, Volutella, Cedar rusts, Squirrel damage.
Feature Article: "Favorite Books to Identify Insect Pests", by Donna Danielson, M.S.
Periodical Cicada, Eastern Tent Caterpillar, Ash Plant Bug, Eriophyid and Erineum Mite Galls, Armillaria, Powdery Mildew, Rose Rosette Disease, Dothistroma, Oak Leaf Blister, Seasonal Needle Drop.
Gypsy Moths, Azalea Sawfly, Pine Needle Scale Crawlers, Viburnum Crown Borer Damage, Aphids, Ash/Lilac Borer, Maple Petiole Borer, Spiny Oak Sawfly, Spiny Witch-hazel Aphids, Leaf Crumpler, Ash Anthracnose, Cedar Hawthorn Rust, Oak Anthracnose, Island Chlorosis, Apple Scab.
Feature Article: "Favorite Books About Plant Diseases", by Donna Danielson, M.S.
Euonymus Scale, Viburnum crown borer, Rose slug sawflies, Hackberry nipple gall, Spittle bugs, Alder leafminers, Hawthorn leafminers, Oblique banded leaf roller, Columbine leafminers, Periodical cicada, Wetwood or slime flux, Crown rust on buckthorn, Chlorosis.
Lecanium scale, Spiny elm caterpillar, Two-marked tree hoppers, Peach leaf curl, Cedar apple rust, Leaf blight of witch-hazel, Frogeye leaf spot, Black spot of rose, Maple anthracnose.
Four-line plant bugs, Woolly Larch Adelgids, Hawthorn Mealybugs, Earwigs, Phylloxera galls, Dutch Elm Disease, Downy Mildew on Coleus, Quince Rust.
Bagworms, Boxelder bugs, Cicadas, Question Mark Caterpillar, Hawthorn Lacebug, Honeysuckle Aphid, Leafcutter Bees, Leafhoppers, Pipevine Swallowtail Caterpillars, Fireflies, Cytospora Canker of Spruce, Dog Vomit Slime Mold.
Feature Article: "Handy Tools for Scouting", by Donna Danielson, M.S.
Japanese Beetle, Cottony Maple Scale, Azalea Bark Scale, Sumac Leaf Beetle, Aesculus Leafminer Damage, Periodical Cicada, Pear Leaf Blister Mite, Fire Blight, Diplodia, Black Spot of Elm, Black Rot of Ivy.
Ash Flower Gall, Iris Borer, Redbud Leaffolder, Red Milkweed Beetle, Basswood Lacebug, Twig Pruner, Ailanthus Webworm, Black Vine Weevil Damage, Imported Currantworm, Emerald Ash borer, Two-spotted Spider mites, Verticillium, Mayapple Rust, Cercospora Leaf Spot.
Magnolia Scale, European Elm Scale, Bald Cypress Rust Mites, Melampsora Rust, Shoot Dieback of Maple, Virus on Ash.
Peachtree Borers, Gypsy Moth Adults, Bristly Rose Slugs, Apple-and-Thorn Skeletonizer, Common Stalk Borer, Cypress Twig Galls, Alder Leafminer, Hedgehog Galls, Lacewing Larvae, Botryosphaeria Canker, Butternut Canker, Septoria Leaf spot, Sooty mold.
Fall Webworm, Rust Mites on Redbud, American Dagger Moth, Annual Cicada, Pigeon Tremex, EAB, Guignardia Leaf Blotch, Tar Spot on Maple, Bull's Eye leaf spot, Septoria Leaf Blight, Orange rust of brambles.
Feature Article:"Yikes! What's Wrong with That Plant? (Part 1)", by Donna Danielson, M.S.
Yellow-Necked Caterpillars, Sycamore Tussock Moth Catepillars, Mossyrose Galls, Golden Tortoise Beetle, Witches Broom of Hackberry, Monarda Rust, Measles on Peony, Daylily Leaf Scorch, Azalea Lace Bug, Cicada Killer Wasps, Grapevine Beetle.
Feature Article:Yikes! What's Wrong with That Plant? (Part 2)", by Donna Danielson, M.S.
White Marked Tussock Moth, Black Swallowtail Caterpillars, Oak Wilt, Black Knot, Rust on Goldenrod, Cytospora Canker on Moutain-Ash, Bluegrass Rust, Slugs, Herbicide Damage.
Feature Article: "Yikes! What's Wrong with That Plant? (Part 3)", by Donna Danielson, M.S.
Rose Stem Girdler, Western Corn Rootworm, Spotted Cucumber Beetle, Milkweed Tussock Moth Caterpillars, Euonymus Scale Crawler - second generation, Polyphemus Caterpillar, Luna Moth, Canna Rust, Lily-of-the-Valley Anthracnose, Thyronectria Canker.
Feature Article: "The Challenge for Increasing Rainfall Infiltration in Urban Landscapes", by Dr. George Ware, Ph.D.
August 31, 2007 - Issue 18 and Index
Milkweed Bugs, Eriophyid Mite Gall on Fragrant Sumac, Gypsy Moth Eggs, Soldier Beetle, Monarch Caterpillar, Birch Anthracnose, Leaf Blotch of Linden, Smooth Patch, Remontant Flowers, 2007 Season Summary, 2007 PHCR Index.
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