P.  Barbosa, Saunders, J. A., Kemper, J., Trumbule, R., Olechno, J., and Martinat, P., ?Plant allelochemicals and insect parasitoids effects of nicotine on Cotesia-congregata (say) (Hymenoptera, Braconidae) and Hyposoter annulipes (Cresson) (Hymenoptera, Ichneumonidae)?, Journal of Chemical Ecology, vol. 12, pp. 1319 - 1328, 1986.

P.  Barbosa, Gross, P., and Kemper, J., ?Influence of plant allelochemicals on the tobacco hornworm and its parasitoid, Cotesia congregata?, Ecology, vol. 72, pp. 1567 - 1575, 1991.