Zusammenfassende Betrachtung der Kenntnisse über die Roßkastanien-miniermotte,Cameraria ohridella Desch. & Dem. (Lep., Gracillariidae)

摘要: An overview of knowledge about the horse chestnut minerCameraria abridella Desch. & Dem. (Lep., Gracillariidae), a pest developing in leaf mines ofAesculus bippocastanum, spread gradually from Ohrid-Lake (Macedonia) through Bosnia, Serbia and Croatia up to central Europe (fig.). At present (1999) it occurs northern Italy, Switzerland, Hungary, Czech Slovak Republics, Austria, southern Germany Poland. Usually three, but five generations develop year central-European conditions.C. obridella develops also onAcer pseudoplatanus andA. platanoides. The parasitation is 1–8% seems not increase. Heavily attacked trees do die; only rarely dying heavily damaged have been observed. Several insecticides may be used control this pest. most successful was growth-regulator Dimilin with active substance Diflubenzurol. In future will possible populations ofCameraria by pheromones. development its discussed.