Platyphora beetles

Beetles - Doryphorina sp. and Defensive secretions of beeties Platyphora kollari Fungi - Clavulinopsis helvola... 

HARTMANN, T THEURING, C WITTE, L., PASTEELS, J.M., Sequestration, metabolism and partial synthesis of tertiary pyrrolizidine alkaloids by the neotropical leaf-beetle Platyphora boucardi. Insect Biochem. Mol. Biol., 2001, 31, 1041-1056. 

PASTEELS, J.M., TERMONIA, A., WINDSOR, D.M., WITTE, L., THEURING, C., HARTMANN, T., Pyrrolizidine alkaloids and pentacyclic triterpene saponins in the defensive secretions of Platyphora leaf beetles. Chemoecology, 2001, 11, 113-120. 

PASTEELS, J.M., THEURING, C WITTE, L HARTMANN, T, Sequestration and metabolism of pro-toxic pyrrolizidine alkaloids by larvae of the leaf beetle Platyphora boucardi and their transfer via pupae into the defensive secretions of adults. J. Chem. Ecol., 2002, in press. 

Figure 7.13 By feeding deuterated [t-amyrin to adult Platyphora kollari beetles, they have been shown to be able to convert it into a labelled saponin...

---