Virus Products
Douglas-fir Tussock moth virus (TM Biocontrol-1)
Douglas-fir Tussock moth killed by virus. USDA Forest Service photo.
Wild populations of the Douglas-fir tussock moth have several naturally-occurring diseases that cause mortality to certain life stages of the insect during the course of an outbreak. The agentsnucleopolyhedrosis virus (NPV) that cause these diseases are bacteria, fungi, and…