1. Arnous,J.,Labeyrie, V. &Maison, P., 1957. Influence de la temperature et de l’ isolation sur la migration des bruches du haricot (Acanthoscelides obtectus) dans la nature. CR. Acad. Sc. 247: 2343-2345.
2. Biemont,J.C.&Bonet, A., 1981. Preliminary observations of bean weevil populations from theAcanthoscelides obtectusSays. Group living on wild or subspontaneous Phaseolus vulgarisL. andPhaseolus coccineus Land onPhaseolus vulgariscultivated in the Teportlan region state of Morelos — Mexico, this volume.
3. Booker, R.H., 1967. Observations on three Bruchids associated with cowpea in Northern Nigeria. J. Stored Prod. Res. 3: 1-15.
4. Caswell, G.H., 1961. The infestation of cowpeas in western Region of Nigeria. Trop. Sci. 3: 154-158.
5. Center, T.D. & Johnson, C.D.,1974. Coevolution of some seed beetles ( Coleoptera Bruchidae) and their hosts. Ecology 55: 1096-1103.