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Summary Analysis of South-East Asian troidine swallowtails revealed high variability in the content of aristolochic acids among individuals. The presence or absence of these compounds depends on the Aristolochia species available as food plant for the larvae. Only one plant species ( Aristolochia philippinensis ) contained a high concentration of aristolochic acids,...
The pipevine swallowtail, Battus philenor, feeds exclusively on plants in the genus Aristolochia, many of which are known to contain the toxic alkaloids collectively known as aristolochic acids. Pipevine swallowtails sequester these compounds and use them for their own defense against predators. Numerous palatable butterflies are involved in Batesian mimicry complexes with B. philenor over its range...
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