Yes, you will mix one ounce of Bifen IT and one ounce of Tekko Pro IGR per gallon of water.
Ad long as the Bifen IT had time to dry completely prior to rainfall, it did not wash away. It's considered rainfast after the treated area has dried.
Yes, Bifen IT is labeled for spiders. The mixing ratio is 1 fl oz per gallon of water. Be sure to spray the areas where spiders are present so that they will come in contact with the treated area, such as around windows, doors, etc. This can be done every 30 days as needed indoors and outdoors.
No, Bifen IT is labeled to be used over ornamentals, including flowers. You will use 1 fl. oz. per gallon of water. We would advise not spraying blossoms directly to protect desirable pollinating insects that may be present in the area.
Per the Bifen I/T Product Label:
Imported Fire Ants: The best control will be achieved by using broadcast treatments in combination with mound drenches. This will control present colonies along with foraging workers and newly mated flyin queens. It is critical either to use high volume treatments or to irrigate prior to application if the soil is dry. Apply 1 fl. oz. per 1,000 square feet when using broadcast treatments. For mound drenches, dilute 1 teaspoon of Bifen I/T per gallon of water and use 1 to 2 gallons of finished dilution using sufficient force to penetrate the top and allow dilution to flood ant channels. Treat a four-foot diameter around each ant mound. Application should be made in late evening or early morning when it is cooler (65
There really are no temperature restrictions for applying Bifen IT. It can be applied at any time of day as long as you are not expecting any rain for at least 24 hours.
Yes, Bifen IT can be applied to any bushes, shrubs, trees, and landscaped areas as well as flowering plants like roses. However, you should minimize the spray on the actual flowering rose as you do not want it to get on any bees that help with pollination.