Adam from Brasnon, Mo writes,
What is the residual time of Bifen XTS & how long will it keep bugs away when sprayed?
Bifen XTS will have a residual of about 4-8 weeks depending on rain and UV rays in the given area. Bifen XTS will not repel insects but instead will kill them within 24 hours of contact.
Answer last updated on: 03/25/2013