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Abstract.
- 1 The potential for host plant-mediated interactions between leaf-chewers and the aphid Symydobius americanus on paper birch (Betula papyrifera) was investigated experimentally.
- 2 Datana ministra and Malacosoma disstria caterpillars were caged on randomly chosen, undamaged branches until they had eaten 30–50% of the leaf area. Control branches received cages but no larvae.
- 3 Alates of S.americanus were than caged on the experimental and control branches to assess the effect of chewing damage on colony performance.
- 4 Chewing damage had no detectable effect on initiation of alate reproduction, development time, mortality of nymphs or colony growth rate.
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