viruliferous

Etymology
From.

Adjective

 * 1)  Virus-carrying, especially of insects which infest agricultural crops.
 * 2) * 1968, M. J. Crampton and L. E. Watts, "Genetic Studies of Pea Leaf-Roll (Top-Yellows) Virus Resistance in ," New Zealand Journal of Agricultural Research, vol, 11, no. 4, p. 773 (Google preview):
 * Circumstantial evidence suggests that heavy infestation by viruliferous aphids can overcome the highest degree of host plant resistance.