2008 Landscape Advisories
September 4
Cankers on Dogwood, Pear Slug, Slime Flux
cankers on red-twig dogwood, pear slug, slime flux, spruce spider mite
August 14
Leaf Scorch
moisture-induced leaf scorch on hardwoods, honeylocust spider mite, tar spot on maple, ips bark beetles
July 31
Chokecherry Gall Midge, Maple Twig Borer, Birch Catkin Bug
chokecherry gall midge, maple twig borer, linden aphid, birch catkin bug
July 10
Sycamore Plant Bug, Scales, Red Fire Bug, Black Knot
sycamore plant bug, european elm scale, lecanium scale, scale treatment, red fire bug – new to Utah, black knot, fletcher scale, degree days and pest monitoring timeline
June 26
Verticillium Wilt, Root Weevils
verticllium wilt, root weevils, western poplar clearwing borer, european pine shoot moth, degree days and pest monitoring
June 19
Leaf Galls
leaf galls, elm leafminer, oystershell scale, bronze birch borer, ash leafcurl aphid, fletcher scale
June 6
Cankerworms, Rose Leafhopper, Copper Underwing
cankerworms, aphids, rose leafhopper, copper underwing
May 29
Bronze Birch Borer, Woolly Beech Aphid
bronze birch borer, rose slug sawfly, woolly beech aphid, lilac/ash borer, birch leafminer, sycamore anthracnose, fire blight, pine needle scale, degree days and pest monitoring timeline
May 15
Ash Plant Bug, Pine Needle Scale
ash plant bug, pine needle scale, degree days and pest monitoring
May 8
Insecticide Classes
Lilac/ash borer, honeysuckle witches’ broom aphid, cankerworm, dothistroma needle blight, insecticide classes, degree days
May 1
How to Read a Pesticide Label
white pine weevil, birch leafminer, honeylocust plant bug, cottonwood leaf beetle, snowball aphid, powdery mildew, How to Read a Pesticide Label, insect monitoring, degree days
April 17
Bark Beetles, Western Tent Caterpillar
bark beetles, european pine shoot moth, juniper flowers, cooley spruce gall adelgid, western tent caterpillar, cankerworm, degree days and pest monitoring timeline
April 10
Fungus, Winter Injury
sycamore anthracnose, cankerworm eggs, fungus, winter injury, wildlife damage, insect monitoring, current degree days, understanding degree days and indicator plants
April 3
Dormant Oil Sprays, Reducing Ornamental Fruiting, Soil Testing
dormant oil sprays, spruce spider mite, scale, degree days, reducing fruit production on ornamental plants, weather information, soil testing