General

Insects

Aphid, 15:2

Armyworm, 9:4

Bagworms, 9:2, 13:2

Beetles, bumble flower, 2:3; granulate ambrosia, 4:3; green June, 11:4; Japanese, 10:2, 10:3, 11:3, 14:3, 16:4; May, 15:2
Black cutworm, 19:3

Borer, ash and privet, 8:2; bronze birch, 3:3; clearwing moth, 5:2; eastern ash bark beetle, 8:3; emerald ash, 13:3, 14:4; false powderpost beetle, 8:3; lilac/ash, 5:3, 8:3; peachtree, 5:3; redheaded ash, 8:3; viburnam crown, 5:3, 6:3

Buffalo gnats, 4:2

Carpenterworm, 8:4

Caterpillar, eastern tent, 1:4; euonymous, 6:3

Cicada killer, 12:3

Cicada, periodical, 1:3, 6:3, 17:3

Cinch bug, 19:3

Cooley spruce gall adelgid, 18:2

Dormant oil, 20:3

Eastern spruce gall adelgid, 18:2

Emerald ash borer awareness week, 3:3

European pine sawfly, 1:4, 6:2

Gall, oak, 4:3

Gypsy moth, 4:2, 10:4

Honey bee colony collapse disorder, 2:3

Itch mite, oak leaf gall, 16:2, 17:2

Lacebugs, 18:2

Leaf miners, 3:3, 6:3

Masked chafer, 11:3

Rose slug, 16:3

Sand wasps, 12:3

Scale, euonymus, 5:2; golden oak, 11:2; magnolia, 18:2, 19:2; maple petiole, 5:2; pine needle, 5:2

Spruce spider mite, 1:4, 18:2

Steel-blue cricket hunter, 12:3

Thrips, 9:4

Twig pruners and girdlers, 11:2

Twospotted spider mite, 13:2

Velvet ant, 12:3

Wasps, ground-nesting, 12:2

Weather, impact on insect pests, 2:3

Webworm, fall, 17:3; mimosa, 13:3; sod, 9:3, 10:2

White grubs, 11:3, 14:3, 15:2, 16:4, 19:2

Whiteflies, 15:3, 19:2

Yellowjackets, 12:4

Zimmerman pine moth, 1:4, 16:3

Plant Diseases

Anthracnose, ash, 4:2; on hosta, 10:2; walnut, 18:1

Ash problems, 4:2, 17:2

Bacterial leaf scorch testing, 15:1; results, 19:1

Bacterial soft rot of iris, 14:2

Canker, spruce, 10:1; 20:1 [aka Leucostoma (Cytospora)]

Cankers of trees, bleeding, 8:1; cryptodiaporthe, or gold, on pagoda dogwood, 5:2; Redosier dogwood, 11:2; Thyronectria (Nectria), 8:1

Conifer diseases, 20:1

Daylily problems, 11:4

Diplodia blight, 9:1, 14:1, 19:1

Drought stress of trees, 10:1

Dutch elm disease, 18:2, 19:1

English ivy, spots on, 3:1

Fire blight, 6:1

Foliar nematodes on hosta, 10:2

Fungal wilts of trees, 18:2

Fusarium root and crown rot on hosta, 10:2

Galls, black knot vs. cedar–quince, 15:1; crown, 3:2

Ganederma root rot, 8:1

Gymnosporangium rusts, 1:2

Hackberry island chlorosis, 8:2

Honeylocust, stressed, 8:1

Hosta scorch, 10:2

Iris problems, 14:2

Leaf tatters, 5:1

Maple decline, 16:2

Oak tatters, 4:1, 5:1

Oak wilt, 11:1, 18:2

Peach leaf, 8/9:4

Peony leaf spot, 17:1

Phytophthora diseases, 8:1, 20:1

Pine tip blight, 14:1

Pine wilt, 6:1, 20:1

Powdery mildew, 12:2

Pythium root and stem rot of bedding plants, 14:1

Redosier dogwood canker, 11:2

Rose downy mildew, 2:1

Rusts, cedar–apple, cedar–hawthorn, cedar–quince, 1:2; Gymnosporangium, 1:2; 20:1; quince, on hawthorn, 9:2

Sclerotium blight on hosta, 10:2

Sclerotium crown rot on iris, 14:3

Sclerotinia white mold, 13:1

Slime flux, 15:2

Slime mold, 12:1

Sooty mold, 12:1

Sphaeropsis blight of pine, 9:1, 14:1

Spruce, Cytospora (Leucostoma) canker, 10:1, 19:2, 20:1; Lirula needle cast, 3:2; Rhizosphaera needle cast, 3:1, 19:2, 20:1; Stigmina fungus on, 3:2

Tree selection tips, 17:1

Turf, 1:2

Verticillium wilt, on ash, 17:2; of magnolia, 13:1; of oak, 18:2; predictions, 19:1; sampling, 5:1

Vinca stem blight, 2:1

Volutella (syn. Psuedonectria) blight, 1:2

Virus on hosta, 10:2

Virus testing, 5:1

Walnut anthracnose, 18:1

Weather damage, 6:1, 10:1; freeze injury, 13:2

Wetwood, 15:2

White mold (aka watery soft rot, cottony rot, Sclerotinia disease), 16:1

White pine decline, 9:1

Weeds

Vinegar as herbicide, 14:5