4Rappaport N G, Jekins J, Roques A. Cone and foliage volatile from Douglas--fir and European larch: Relationship to attack by cone and seed insects[C]//Proceedings. 4th International conferences, IUFRO.Cone and seed Insects Working Party,USD--Forest Serv- ice : Southern Research Station, 19 9 7.
5Rappaport N G,Jenkins M J,Roques A. Estimating effect of Me- gastigmus supermotrophus(Hymenpptera : Torymidae) on Dougles --fir seed production: new paradigm[J]. J Eeon Etomol, 1993 (86) 845849.
6Pan Y Z,Roques A,Malosse C, et al. Identification of Cone Vola- tiles Susceptible to Influence Attack of some Yunnan Conifers by Specific Cone Insects[J]. Ecormg,2000(4) :127--129.