https://www.tractorsupply.com/tsc/product/control-solutions-permethrin-133-32-oz
no more red mite problem.
non toxic do not get the 10%
get the 13.3 martins permethrin and mix it as directed . instructions comes with and easy to find on line. If its warm enough where you are, you can dip the birds.
spray everything, every crack, board, wall, ground, under, over, around.... I use it in the house for bugs. about the only warning was cats and puppies if i remember right. its in the instructions so...