This is an important new study that concludes that the planting of Bt maize in some areas of Europe would cause increased mortality in the larvae of the protected peacock butterfly. (more…)
Bavarian Agriculture Institute: Bt Maize Harms Swallowtail Butterflies
In this European study uptake of Bt maize pollen by European common swallowtail butterflies led to a reduced plant consumption, to a lower body weight, and to a longer development time of larvae. Effects on pupal weight and duration of the
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Prof John E Losey: Bt Corn Harms Monarch Butterfly Larvae
This Cornell University study showed that monarch larvae were badly affected by Bt corn. Larvae of the monarch butterfly, Danaus plexippus, reared on milkweed leaves dusted with pollen from Bt corn, ate less, grew more slowly and suffered higher mortality than larvae
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