Bibliography of butterflies

Trigo, José Roberto, Lauro Euclides Soares Barata and Keith Spalding Brown, Jr.

1994. Stereochemical inversion of pyrrolizidine alkaloids by Mechanitis polymnia (Lepidoptera: Nymphalidae: Ithomiinae): Specificity and evolutionary significance. Journal of chemical Ecology 20(11): 2883-2899, 4 figs. [Brazil]

Trigo, José Roberto, Lauro Euclides Soares Barata, Ludger Witte, Thomas Hartmann and Keith Spalding Brown, Jr.

1991. Capillary GC-MS analysis of pyrrolizidine alkaloids in plants utilized by Ithomiinae butterflies (Lepidoptera: Nymphalidae) in the southeast of Brazil, pp. 79-83, 1 fig., 1 tab. In: Habermehl, G. (Ed.), 2. Brasilianisch-Deutsches Symposium für Naturstoffchemie. Hannover, Forschungs-zentrum Jülich GmbH. [general]