Abstract
Five populations of the red milkweed beetle, Tetraopes tetraopthalmus (Forster) (Coleoptera: Cerambycidae), in central Vermont and New Hampshire were sampled throughout the season and individual beetles were flight tested. The vagility of the populations (mean flight duration per sample) varied significantly during the season, with peak vagility coinciding with the flowering peak of its host plant during the 1st 3 wks of July. The findings show that it is possible to predict seasonal variation in vagility using basic life history information — lifespan, emergence times, and age-related patterns of vagility. Implications for pest management are suggested.
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