Pauls, G., Becker, T., et al. (2016). [https://link.springer.com/article/10.1007/s10886-016-0684-0 Two Defensive Lines in Juvenile Leaf Beetles; Esters of
3-nitropropionic Acid in the Hemolymph and Aposematic Warning.] Journal of Chemical Ecology 42 (3) 240-248.