Poisoning of honey bees by nectar from the karaka tree (Corynocarpus laevigataJ. R. et G. Forst.)

摘要

Neetar from the karaka tree (Corynocarpus laevigataJ.R. et G. Forst.), whieh flowers in the spring and is very attraetive to honey bees, is highly toxie to adult bees.