Eight primary ambrosia fungi, Raffaelea canadensis, R.
sulcati, Ambrosiella brunnea, A. ferruginea, A. gnathotrichi, A.
hartigii, A. sulcati, and A. sulphurea (Fungi Imperfecti), were found
in association with 11 ambrosia beetle species (Scolytidae and Platypodidae).
The fungi are reported from new beetle symbionts, new
tree hosts, and/or increased geographical distribution....