References & Sources

New studies focus monarch worries

Concentrations of Bt-corn pollen found drifting in a real-world cornfield can kill caterpillars of monarch butterflies.

References:

Hansen, L. 1999. Non-target effects of Bt corn pollen on Danaus plexippus (Lepidoptera: Danaidae). The Entomological Society of America Annual Meeting. December. Atlanta.

Further Readings:

Milius, S. 1999. Bt-corn pollen can kill monarchs. Science News 155(May 22):324.

Sources:

Laura Hansen
Iowa State University
Department of Entomology
Ames, IA 50313

From Science News, Vol. 156, No. 25 & 26, December 18 & 25, 1999, p. 391. Copyright © 1999, Science Service.