A pyrethroid acaricide; induces tail currents in AmNav1 and VdNav1 channels expressed Xenopus oocytes (EC50s = 60 and 160 nM, respectively) with a faster tail current decay in VdNav1 channels; topical application at 2 µl in combination with coumaphos, atrazine, 2,4-DMPF, chlorpyriphos, and chlorothalonil does not affect honeybee queen mass, egg-laying patterns, or the mass of daughter worker bees at emergence