@ARTICLE {THIELEN: 1994, title = {Importation, releases, and establishment of Neochetina spp. (col., curculionidae) for the biological control of water hyacinth, Eichhomia crassipes CLil., Pontederiaceae), Benin, West Africa}, author = {Thielen, R. and Ajuonu, O. and Schade, V. and Neuenschwander, P. and Adite, A. and Lomer, C. }, journal = {Entomophaga}, year = {1994}, volume = {39}, pages = {179--188}, }