Contrasts in cellulolytic activities of gut microorganisms between the wood borer, Saperda vestia (Coleoptera: Cerambycidae), and the bark beetles, Ips pini and Dendroctonus frontalis (Coleoptera: Curculionidae) - Delalibera Junior, Italo; Handelsman, J.; Raffa, K. F. (Environmental Entomology, 2005)