Pine beetle outbreaks are usually not the result of one stress factor, but the cumulative result of several possible variables that lower pine vigor. Join us, along with Dr. John Riggins, Mississippi State University, as we discuss pine beetle biology and environmental conditions leading up to problems with pine beetles.   For questions or comments, email us at timberuniversity@gmail.com Subscribe directly to Timber University and follow NRU on Instagram, YouTube, Twitter, and Facebook.