Predation by carpenter ants: A deterrent to the spread of cinnabar moth
Keywords:carpenter ants, Cinnabar moth, biological control, tansy ragwort
AbstractCinnabar moth, an introduced biological control agent for tansy ragwort, suffers heavy predation by carpenter ants in recently logged areas of Oregon. We suggest that this mortality factor will reduce the spread of Cinnabar moth, thus preventing it from attacking a major seed source of tansy ragwort and reducing its potential as a biological control agent. Single larvae escape predation by ants more often than those in groups which suggests that carpenter ant predation may select for larval dispersal.
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