Orgyia leucostigma

White-Marked Tussock Moth Caterpillar Outbreaks

Heavy localized populations of white-marked tussock moth caterpillars are being reported in central and western Ohio. Curtis Young (OSU Extension, Van Wert County) showed images during this week's BYGL Zoom Inservice of caterpillars on a variety of hosts including rose and noted he had received reports of hot spots in Allen, Hancock, and Putnam Counties. I received a report from Franklin County of 100% defoliation of a landscape redbud.
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Joe Boggs