@INBOOK {MODDER:1997, title = {Attraction and diurnal behaviour of the African pest grasshopper, Zonocerus variegatus (L.), at oviposition sites}, author = {Modder, W. }, editor = {Krall, S. and Peveling, R. and Ba Diallo, D. }, year = {1997}, type = {New strategies in locust control}, pages = {283--292}, publisher = {Birkhauser Verlag}, address = {Basel, Switzerland}, }