"Geographical distribution" . . "Aquatic weeds" . . "Pyralider" . . "Weeds" . . "Vandhyacint" . . "Eichhornia crassipes" . . "Ukrudt" . . "Life cycle" . . "Stanley, J. N." . . "Lepidoptera" . . . . . . "Biological control of water hyacinth 2 : the moths Niphograpta albiguttalis and Xubia infusellus : biologies, host ranges, and rearing, releasing and monitoring techniques for biological control of Eichhornia crassipes" . . "Biological control of water hyacinth 2 the moths Niphograpta albiguttalis and Xubida infusellus: biologies, host ranges, and rearing, releasing and monitoring techniques for biological control of Eichhornia crassipes" . . . . . . . . "Biological control of water hyacinth 2 : the moths Niphograpta albiguttalis and Xubida infusellus : biologies, host ranges, and rearing, releasing and monitoring techniques for biological control of Eichhornia crassipes" . . . . . . . . . . . . . . . . . . . . . . . "Grøde" . . "Livscyklus" . . "Pyralidae" . . "Geografisk udbredelse" . . "Sommerfugle" . . "Griffiths, M. W." . . "Biologisk bekæmpelse" . . "Biological control" . .