1. Bedard, W. D. (1961). Media for the rearing of immature bark beetles (Scolytidae). Ph.D. Thesis, Univ. of California, Berkeley, California.
2. An emergence and rearing container for Dendroctonus frontalis Zimm. and other bark beetles;Clark;J. Econ. Entomol.,1964
3. Mass rearing the southern pine beetle and the coarse writing engraver;Clark;U. S. Dept. Agr., Forest Serv., Southeast. Exp. Sta. Res. Note,1964
4. A simple laboratory technique for rearing Ips calligraphus;Clark;U. S. Dept. Agr., Forest Serv., Southeast. Exp. Sta. Res. Note,1964
5. Clark, E. W., and Osgood, E. A., Jr. (1966). Unpublished data.