| Cudjoe, E., Wiederkehr, T.B., and Brindle, I.D. 2005. Headspace gas chromatography-mass spectrometry: A fast approach to the identification and determination of 2-alkyl-3- methoxypyrazine pheromones in ladybugs. Analyst. 130:152-155. |
| |
| Acar, E.B., Medina, J.C., Lee, M.L., and Booth, G.M. 2001. Olfactory behavior of convergent lady beetles (Coleoptera: Coccinellidae) to alarm pheromone of green peach aphid (Hemiptera: Aphididae). Can. Entomol. 133:389-397. |
| |
| Glisan King, A., and Meinwald, J. 1996. Review of the defensive chemistry of coccinellids. Chem. Rev. 96:1105-1122. |
| |
| Ayer, W.A., Bennett, M.J., Browne, L.M., and Purdham, J.T. 1976. Defensive substances of Coccinella transversoguttata and Hippodamia caseyi, ladybugs indigenous to western Canada. Can. J. Chem. Ecol. 54:1807-1813. |
| |
| Tursch, B., Daloze, D., Braekman, J.C., Hootele, C., Cravador, A., Losman D., and Karlsson R. 1974. Chemical ecology of arthropods. IX. Structure and absolute configuration of hippodamine and convergine, two novel alkaloids from the American ladybug Hippodamia convergens (Coleoptera - Coccinellidae). Tetrahedron Lett. 15:409-412. |
| |