Phytophagous insect complex associated with cones of white fir, Abies concolor (Gord. and Glend.) Lindl., and its impact on seed production.

Shea, P. J., (1989). Canadian Entomologist 121(8), 699-708. English language

Interactions among phytophagous insect species colonizing cones of white fir (Abies concolor).

Shea, P. J., (1989). Oecologia 81(1), 104-110. English language