Early harvest prevents toxic honey

Bees who collect nectar from the toxic tutu bush in New Zealand also produce a toxic honey, so beekeepers are harvesting early to prevent the disastrous situation.

Some neurotoxin in New Zealand honey...via other insects

Low levels of a neurotoxin are being found in certain New Zealand honey. From the news article:

Tutin gets into honey when bees collect honeydew excreted by passion vine hopper insects which have been feeding on the tutu plant. Tutin doesn't harm bees.