- Gregoire, J. C., J. Merlin, R. Jaffuel, P. Denis, P. Lafont, and D. Schvester. 1986. Elevage a petite et moyenne echelle du predateur Rhizophagus grandis Gyll. en vue de la lute biologique contra Dendroctonus micans Kug. [Small-scale and medium-scale rearing of the pest Rhizophagus grandis Gyll. for biological control of Dendroctonus micans Kug.]. Revue Forestiere Francaise (Nancy) 38: 457-464.
- Gregoire, J. C., J. Merlin, J. M. Pasteels, R. Jaffuel, G. Vouland, and D. Schvester. 1985a. Biocontrol of Dendroctonus micans by Rhizophagus grandis Gyll. (Col., Rhizophagidae) in the Massif Central (France): a first apprasial of the mass-rearing and release methods. Journal of Applied Entomology 99: 182-190.
- Gregoire, J. C., J. Merlin, J. M. Pasteels, R. Jaffuel, G. Vouland, and D. Schvester. 1985b. Mass-rearings and releases of Rhizophagus grandis in Lozere. Pages 122-128 in J. C. Gregoire and J. M. Pasteels, Biological control of bark beetles (Dendroctonus micans). Commission of European Communities and the University Libre de Bruxelles, Bruxelles, Proceedings of seminar, 3-4 October 1984. 141 p.