Bill from Ormond Beach writes
You have recently provided info on product, but can not determine frequency of application for effective control. Can you provide please?
Bifen IT - 3/4 Gallon should be used at a rate of .25 - .50 fl oz per 1000 square feet. Mostly found in the thatch layer, chinch bugs infest the base of grass plants. In order to optimize the penetration of the insecticide to location of the chinch bugs, irrigation of the grass prior to treatment may be necessary. If grass is being kept at a long mowing height or if the thatch layer is excessive use higher volume treatments It may be necessary to use higher application rates (up to 1 fluidoz per 1000 square feet) to control populations made up of both adults and nymphs in mid-summer. Apply Bifen I/T in combination with a labeled rate of a surfactant to achieve optimal control of eriophyid mites. A second application may be needed 5 to 7 days after the first to ensure optimal control. For maintenance you would you every 3 - 4 week intervals.
Answer last updated on: 05/04/2016
