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Showing Entries with tag "Plant Health Care"

Scales on tree and branch

By Caleb J. Wilson, Ph.D.

Trees in species-rich forests often suffer less damage from insect pests compared to trees in forests dominated by a few common species. Many hypotheses have been proposed...

Temperature Map

Temperatures with the coming cold wave will be comparable to the December 2022 cold wave. Here is a comparison:

December 2022 cold snap highs and lows:

45/20, 23/-9, 12/1, 19/7, 26/13, 32/24, 51/27,...

caterpillar on branch

Box Tree Moth (BTM) is a non-native pest of boxwoods. It was first confirmed in Ohio by the Ohio Department of Agriculture (ODA) in late June. Yesterday, the ODA announced that a BTM sighting has been...

Beech Blight Aphids (Grylloprociphilus imbricator)

The talented and uniquely entertaining Beech Blight Aphids (Grylloprociphilus imbricator) are taking the stage in Ohio. Some of the best line dancing can be seen in Johnson Woods State Nature Preserve...

Leaffolder Nest on leaf

Participants in the OGIA/OSU Greater Cincinnati BYGL! Diagnostic Walkabout held this past Monday at the Boone County Arboretum observed the unusual damage caused by the Redbud Leaffolder (Fascista cer...

Two-Marked Treehopper on Red Bud

During yesterday’s 83rd Ohio Diagnostic Workshop held in Secrest Arboretum, OSU CFAES, Wooster, OH., participants found snowy-white masses on the stems of redbuds (Cercis canadensis). The agglomeratio...

Rough Oak Bulletgall on branch on ruler
Rough Oak Bulletgalls induced by the gall-wasp, Disholcaspis quercusmamma (family Cynipidae) are splitting through the bark and rising on the stems of oaks in the white oak group in southwest Ohio. ...
Swamp Doodlers
Dodders are parasitic plants belonging to the morning glory family, Convolvulaceae. They were formerly placed in the dodder family, Cuscutaceae, with only one genus in the family, Cuscuta. I think i...
Fall Webworm on black walnut tree
Fall Webworms (Hyphantria cunea, family Erebidae) have been virtual no-shows over much of Ohio this season. Although, there are reports of highly localized populations with noticeable nests, trees i...
fallen tree
Storms blew through Sandusky Ohio Saturday, August 12, 2023, taking down branches, trees, and power lines.
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Thomas deHaas
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