Sharon from Hartford Ct writes
It is important for the bedbug eggs to be sprayed directly. The young nymphs will be eradicated by the dried residual of the product after it is applied. There is not a specific time. We recommend that you treat once a week for bedbug control until you have gone 30 days without bites. Below I have included a guide that offers some really helpful information including other products that will be great to use for treatment. Bedbug Control Articles & Guide
Answer last updated on: 12/15/2013