If your target pest is not listed on the label then the product is not approved for use to control that pest. Florida and California call your Flat Mite Citrus Flat Mite and the link below connects to UCDavis IPM sheet about them. You may want to contact your local office of the University of California Cooperative Extension Service to learn more.

Here is a link that might be useful: Citrus Flat Mite

if you are thinking about using pesticides outside their labeled use...

i start to wonder how you came to the specific ID ... you may surely be right.... but you give no history of how you came to this conclusion ...

contact your county extension office... to insure your ID.. and for recommendations as to remedy ....

ken