Bagworm Management
An Important Bagworm Parasitoid and Connecting the Dots
boggs.47@osu.edu
Fri, 10/03/2025 - 10:45
Curtis Young (OSU Extension, Van Wert County) showed participants in this week’s BYGL Zoom Inservice pictures of the parasitoid wasp Itoplectis conquisitor (family Ichneumonidae). The wasps were all males, and they were milling around on this season’s bagworms (Thyridopteryx ephemeraeformis, family Psychidae) in northwest Ohio.
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Bagworm Feeding Season Ends; Picking Season Begins
boggs.47@osu.edu
Thu, 08/28/2025 - 13:23
Bagworm caterpillars have “tied off” and are pupating in southwest and northeast Ohio. This marks a significant transition period in management options. Insecticides are no longer effective, but plucking remains viable.
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