Impact of Bt corn pollen on monarch butterfly populations: A risk assessment
Authors: Sears, M.K., Hellmich, R.L., Stanley-Horn, D.E., Oberhauser, K.S., Pleasants, J.M., Mattila, H.R., Siegfried, B.D., Dively, G.P.
Journal, Volume, Year: Proceedings of the National Academy of Sciences, volume 98:11937-11942, 2001
This paper is a risk assessment of the impact of Bt corn pollen from current commercial hybrids on monarch butterfly populations.
The authors concluded that the risk of Bt corn pollen to monarch butterfly populations is negligible.