UTAH PESTS' Landscape IPM Advisories is a semi-weekly email update (April - Sept.) on current insect and disease activity and treatment recommendations for woody ornamentals.
Current advisory: August 6: honeylocust spider mite, poplar and willow borer, and zimmerman moth
July 30: information on natural enemies
July 27: aspen leaf spot and blight; oystershell scale; cooley spruce gall adelgid; pine needle scale; broadleaved herbicide damage
July 9: catalpa aphid, European elm scale, lace bugs, horsechestnut leaf blotch
June 18: rain (aphids, scale, fungi), lecanium scale, poplar borer, cottony maple scale, black pineleaf scale, fletcher scale
June 4: hail damage, rose aphid, honeylocust plant bug, black cherry aphid, European pine sawfly, cankerworms, fire blight, maple anthracnose, powdery mildew on rose, honeylocust canker
May 21: pine needle scale, rose leafhopper, carpenter ants, snowball aphid, willow leaf beetle, ash plant bug, sycamore anthracnose
May 14: elytroderma needlecast, lilac-ash borer, banded ash borer, aphids, cankerworm, oak leaf blister, powdery mildew
May 7: pine needle scale, black pine aphid, hackberry nipple-gall maker, cankerworm, honeylocust plant bug, honeylocust pod gall midge
April 23: dothistroma needle blight, powdery mildew, European elm scale, root weevils, cottonwood leaf beetles
April 17: European pine sawfly, European pine shoot moth, cooley spruce gall adelgid, birch leafminer, cankerworm
April 2: dormant oil, boxelder bug, poplar twig-gall fly, spruce ips, scouting for eggs, winter injury of evergreens, weather history
To subscribe to the Landscape IPM Advisories, click here.
For questions or comments please contact:
Marion Murray (click to send an email)
USU Extension IPM Project Leader
435-797-0776