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August 6, 2022, Arbor Doctor Ron Rothhaas joined yardboy Ron Wilson on 55KRC and iHeart Radio
AUG 7, 2022
On August 6, 2022, Arbor Doctor Ron Rothhaas joined yardboy Ron Wilson on 55KRC and iHeart Radio to discuss trees, weather, tree biomechanics, the Amish, and probably more. Click here to listen to the...
Recently I was called upon to inspect an apparently healthy American beech (Fagus grandifolia) tree. Outside of a few tightly bifurcated branch unions, the only real issue with this tree with a 43-inc...
Multiple partners from Ohio Department of Agriculture, United States Department of Agriculture-Division of Forestry, The Ohio State University, Cleveland Metroparks, and USDA – APHIS (Animal and Pla...
Lace Bug Damage is on the Rise
JUL 20, 2022
This is the time of the season when the characteristic chlorotic leaf spot damage (= stippling) from Lace Bugs (order Hemiptera; family Tingidae) that feed on deciduous woody ornamentals as well as ...
Bronze Birch Borer Remains a Threat
JUN 14, 2022
Bronze Birch Borer (BBB) (Agrilus anxius) is native to North America and only targets trees belonging to one genus, Betula. Historically, BBB ranged across the northern U.S. and southern Canada whic...
The Japanese Maple Scale Challenge
JUN 2, 2022
Oystershell Scale has long presented a management challenge given its wide host range coupled with limited insecticide targets. However, this armored scale has been largely supplanted by the Japanes...
European Elm Scale Create Dripping, Sticky Elms
JUN 2, 2022
European Elm Scale (Eriococcus spurius (formerly Gossyparia spuria)) females are dripping sugary, sticky honeydew in southwest Ohio. This is one of the “felt scales” (Family Eriococcidae) so named b...
Monitor Now to Stop Bagworms!
JUN 2, 2022
Look closely at trees and shrubs festooned with last season’s Common Bagworm (Thyridopteryx ephemeraeformis) bag-abodes. Overwintered bagworm eggs are hatching in southwest Ohio meaning the “bagworm...
Hydrangea Leaftier
JUN 2, 2022
The Hydrangea Leaftier Moth (Olethreutes ferriferana, family Tortricidae) is so named because the caterpillars tie together developing leaves on wild and cultivated hydrangeas to produce oddball “le...
