2000 Plant Health Care Reports
Tagged as: insect sightings, phenological indicators, tree disease
Hemlock rust mites, Larch casebearers, Arborvitae leafminers, European pine sawfly eggs, Cedar-apple rust and Cedar-hawthorn rust, and Black knot
Feature article: "So what are degree days and why do we care about them anyway?" by Donna Danielson
European pine sawfly larvae, Eastern tent caterpillar, Pine bark adelgid eggs, Dothistroma needle blight, Cytospora canker, Phellinus, and a Report on trees' resistance to Heartwood Decay
Feature article: "Drought Stress" by Doris Taylor
Juniper webworm, Cedar-apple and cedar-hawthorn rust, Blue stain fungus, Asterosporium, asterospermum, and Frost damage
Feature article: "Organizing and Utilizing a Pest and Disease Monitoring Schedule" by Lisa Bell
Elm bark beetles on pheromone traps, Cooley spruce gall adelgid, Bacterial blight caused by Pseudomonas syringae, Wetwood (Slime flux), nitidulid beetles, and oak wilt
Feature article: "Landscaping to Save Energy" by Doris Taylor
Spruce spider mites, Euonymus web worm, Azalea bark scale, Root crown borer, Elongate hemlock scale, and Kabatina tip blight
Feature article: "Fertilizing Trees and Shrubs in Accordance with the New ANSI A300 Standard" by Thomas Hanzely
Elm leafminer adults, Honeylocust plant bug, Ash plant bug, Eriophyid mite galls, Woolly alder aphids, Spruce needle miners, Insect Sightings Elsewhere, Bacterial blight caused by Pseudomonas syringae, and Ascochyta blight
Fall and spring cankerworms, Lilac/Ash borer adults, Pine needle scale crawlers, Euonymus scale crawlers, Leafrollers and leaftiers, Birch leafminer, Elm leafminers, Linden looper, Larch adelgids, Erineum mite galls, Two-marked treehopper nymphs, aphids, balsam twig aphids, oystershell scales, Scab, Crabapples resistant to apple scab, Ash anthracnose, Sycamore anthracnose, Black spot of elm, Cedar-apple rust, Oak leaf blister (Taphrina), Monilinia (Brown rot), Botryosphaeria canker, and Crown rust on buckthorn
Feature article: "Review of Asian Longhorned Beetle Action Plan" by Kunso Kim
Elm bark beetles, Sawflies, Alder leafminers, Hawthorn leafminer, Imported currant worm, Spotted apple tree borer, Aphids, Nipple gall on hackberry, Maple bladder galls, Spittle bugs, mealybugs, Cedar-hawthorn rust, Maple anthracnose, Cladosporium leaf spot, Rust on Bowman’s Root, and fire blight
Feature article: "Water Woes Are Not Just a Summer Problem!" by George Ware, Ph.D.
Spiny elm caterpillars, Four-lined plant bug, Gooseberry spanworm, Larch sawfly, Lecanium scale adults, European pine sawfly larvae, Leaf beetle larvae, Black vine weevil damage, azalea sawfly, honeylocust plant bug, Orange rust, Sphaeropsis tip blight, Oak Anthracnose, Phyllosticta leaf spot, hail damage, wind damage, and spindly growth and twig dieback on river birch
Sycamore lacebugs, Bronze birch borer, Bristly roseslug sawfly and roseslug sawfly, Guignardia leaf blotch, Frogeye, Cedar-quince rust, Rose rosette disease, Sycamore anthracnose, and Downy leaf spot or white mold
Arborvitae leafminer, Leaf crumpler, Obliquebanded leafroller, Woolly alder aphids and resultant sooty mold, Leaf beetle larvae, Slug sawfly on pin oak, Leafcutter bee, White-marked tussock moth, Dutch elm disease, Island chlorosis, Phyllosticta leaf spot, Perennial Nectria canker, Pestalotiopsis blight, Eyespot gall on red maple, thrips, and Sphaeropsis tip blight
Solitary oak leafminers, Armillaria root rot, Oak wilt, Black spot on rose, Leaf blight on witch hazel, Black rot of grapevine, Cedar-quince rust, Cercospora leaf spot, mealybugs, cedar-hawthorn rust, red thread, stem blight, and Powdery mildew
Feature article: "Verticillium Wilt" by Karel Jacobs, Ph.D.
Imported willow leaf beetle, Southern masked chafers, Rose curculio, Pipevine swallowtail larvae, Cypress twig galls, Oak Wilt, Verticillium, Botryosphaeria, and Cladosporium leaf blotch
Feature article: "New Plants At The Arboretum" by Tim Boland, M.S.
Japanese beetles, Linden borer, Mossyrose gall wasps, Thyronectria, Cryptosporium leaf spot, Gypsy moth larvae, and spider mites
Gypsy moth male adults, Grapevine beetle, Willow sawfly larvae, Baldcypress rust mites, Tilia lacebug, Melampsora rust, Bullseye leaf spot (Cristulariella), Leaf blotch of Tilia, and Cedar-apple rust galls on Juniper
Second generation alder leafminers, Gypsy moth male adults, Anthracnose on Amur maackia, Chlorosis on pin oak, artillery fungus, Elm yellows, and Hollyhock sawfly
Chrysanthemum lace bug, Euonymus scale, Crown gall, Tar spot, Rust on blue grass, Pine-Aster Rust on Aster, Magnolia scale, seeing thrips, spotted spider mites, and Dog vomit slime mold
Feature article: "Watering: How much, When, What methods?" by Deborah Seymour
Fall webworm, Genista caterpillar, Powdery mildew on dogwood, and Septoria leaf spot on dogwood
American dagger moth larva, Redbud leaffolder, Lacebug damage on hawthorn, Cicada killer wasps, Two-marked treehoppers, Butternut canker, and Clematis wilt
Japanese beetles, Walnut anthracnose, and spider mites
Feature article: "Pest Control Decision Making and Managing Scale Insects" by Fredric Miller, Ph.D.
Milkweed tussock moth, Polyphemous moth, Anthracnose on hop-hornbeam, Herbicide damage, and purple loosestrife (Lychnis salicaria)
Feature article: "Fall Planting of Trees and Shrubs" by Christine E. Martner
Elm bark beetles, Hummingbird moth, Cicada exoskeletons, Drought stress, magnolia scales, cecropia moth caterpillar, and poison ivy
9-09-2000 - Issue 23 and Index
Ailanthus webworm and Giant ragweed (Ambrosia trifida)
Feature article: "ORNAMENTAL GRASSES" by Tim Boland
PHCR 2000 Index
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