[Pollinator] Recent review of pesticide toxicity to bees?
Rufus Isaacs
isaacsr at msu.edu
Fri Mar 23 17:55:38 PDT 2007
Pollinator Enthusiasts:
I am an entomology extension specialist in Michigan, heading rapidly toward
bloom of our blueberry crop. With the CCD issue in the news, there are many
questions from these fruit growers who are concerned how they will
pollinate their crop and what they can use to control their pests without
risking the pollinators they depend on. While some insecticides have proven
safety to bees (e.g. Bacillus thuringiensis products), the past 10 years
have seen registration of many new chemical classes that fall in a grey
area - safe when dry, systemic but safe when applied after bloom, etc.
There is a significant need for an unbiased review of the current state of
knowledge regarding lethal and especially sub-lethal effects of the new
insecticide classes on honeybees, bumblebees, and other native bees.
I'm sure such a review would identify many gaps in our knowledge, and maybe
such a document is already published. Is there a current review, or does
anyone on this list know of someone working on this? If not, it would be a
valuable contribution to prepare this information for the scientific,
grower, and public audiences. An updated of Johansen and Mayer's 1990 book
would be a valuable resource.
Cheers,
Rufus Isaacs
Michigan State University
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