Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Bouhot, L., F. Lieutier, and D. Debouzie. 1988b. Spatial and temporal distribution of attacks by Tomicus piniperda L. and Ips sexdentatus Boern. (Coleoptera, Scolytidae) on Pinus sylvestris. Journal of Applied Entomology 106: 356-371.