Top 4 Most Harmful Insecticides For Honey Bees:
Organophosphates (such as acephate, azinphosmethyl, chlorpyrifos, diazinon, dimethoate, malathion, and methamidophos)
N-methyl carbamates (such as carbaryl)
Neonicotinoids (such as clothianidin, imidacloprid, and thiamethoxam)
Pyrethroids (such as deltamethrin, cyfluthrin and lambda-cyhalothrin). Rest of article in our profile link