The Ohio Department of Agriculture (ODA) is conducting aerial spraying to manage the invasive spongy moth population in Mount Vernon and surrounding areas this week. The caterpillars of the spongy moth, which feed on leaves, can weaken and potentially kill trees and shrubs. According to the ODA, a control treatment is necessary due to the increasing population in the area.
The spraying covers the eastern part of Mount Vernon, Gambier village, and much of Monroe and Pleasant Townships up to Monroe Mills Road. The ODA assures that the treatments are safe for humans, animals, honeybees, and plants. Aircraft will apply SPLAT GM-O insecticide from 100 to 200 feet above treetops. This biodegradable formulation uses pheromones to disrupt mating among spongy moths.
Residents are advised that any insecticide residue on vehicles or surfaces can be cleaned with soap and water. Previously known as the gypsy moth until 2022, when its name was changed by the Entomological Society of America due to derogatory connotations, the spongy moth (Lymantria dispar) has been present in the U.S. since its introduction by Etienne Trouvelot in Medford, Massachusetts in the mid-1860s. Trouvelot had hoped to use them for silk production but abandoned his efforts after they escaped into local woods.
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