Bifenthrin and Bifenazate are used to treat different types of insects. Bifenthrin is mainly for general pest control use and is an ingredient in products such as Talstar P and Bifen IT. Bifenazate is a type of miticide and is an ingredient in products such as Floramite SC and Sirocco Miticide. We would not recommend rotating these two products for mite control. Bifenazate is a good active ingredient for spider mites, as well as Abamectin, which is the active ingredient in Avid 0.15 EC.
Keep in mind that Bifen IT is not a contact kill. How long it takes to see results will depend on several factors, including how healthy the leafhopper is and how long it spends on a treated surface. It could be hours or even a couple of days.
Bifen IT is applied at the rate of 1 oz. per gallon of water for mosquitoes. Keep in mind that it is not a contact kill. How long it takes to see results will depend on a number of factors such as the severity of the infestation you are dealing with. It can take anywhere from several hours to even a couple of days. You do have the option to mix Bifen with a product like ExciteR for a quicker knockdown.
The Cypress trees will not be affected by Bifen IT when used as directed, it is known for being super gentle on plants. It is safe to spray onto those areas, and may return once product has dried. If your friend is applying the product, we encourage them to wear long sleeves, long pants, and a face mask to protect them while spraying.
Bifen IT could harm lightning bugs/fireflies if they land on a treated surface long enough to receive a lethal dosage.