Quote:
Originally Posted by B.Kauffman
I’ve read this mosquito repellent is harmful to bees ������ Very sad 
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Is pyrethrin safe for bees?
or malathion, which are also highly toxic to bees. Permethrin and Pyrethrins, often combined with Piperonyl Butoxide, are also used for tick control, as are other insecticides highly toxic to bees.
CT.gov
To reduce risk, but not completely, spraying is done at night