Yes, Bifen IT can be used with an IGR like Pivot and a synergist like Exciter for a faster knockdown of insects such as mosquitoes. There would be no valid reason to mix Cyzmic CS and Bifen IT. You would want to use one or the other.
Bifen IT and Suspend SC are similar in the insects they target and areas where applied. Bifen IT uses the active ingredient bifenthrin and Suspend SC uses deltamethrin. Both actives will treat the most common insects such as Ants, Spiders, Pantry Insects, Silverfish, Fleas, Roaches, Mosquitoes, Stink Bugs, Scorpions, Ticks, Fleas, Pillbugs, Chinch Bugs, Earwigs, Millipedes, etc.
Bifen IT may be applied at the low, medium and high rate of either 0.33 oz./gallon of water for prevention, low level infestations, 0.5 oz./gallon of water for general indoor or outdoor use, or 1.0 oz./gallon of water for severe infestations, less frequent treatments, longer residual, quicker knockdown. You will apply 1 gallon of finished solution every 1,000 square feet when using a hand pump sprayer.
Please refer to the product label for complete application instructions, and use as directed.