Article
Antagonistic, stage-specific selection on defensive chemical sequestration in a toxic butterfly.
Evolution; international journal of organic evolution - 1 Jul 2008
Fordyce James A, Nice Chris C
Abstract excerpt
Larvae of the pipevine swallowtail (Battus philenor) sequester toxic alkaloids called aristolochic acids from their Aristolochia host plants, rendering both larvae and adults chemically defended against most predators. Using a chemically controlled artificial diet, we observed substantial among-family variation in sequestration ability and larval developmental rate in a population occurring in central Texas....
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