none Italy- Investigations carried out both in 5 Piedmontese fruit-growing stations and in laboratory allowed the authors to find 13 natural enemies of the apple and pear leaf-miner Leucoptera scitella (Zell.). They are 10 species of parasites: the Braconid Colastes decorator Hal., the Eulophids Pnigalio pectinicornis (L.), Pediobius pyrgo Walk., Closterocerus trifasciatus Westw., Chrysonotomyia chlorogaster (Erd.), Chrysonotomyia formosa (Westw.), Chrysonotomyia lyonetiae (Ferr.), Chrysocharis nitetis (Walk.), Tetrastichus amethystinus (Ratz.), Tetrastichus ecus (Walk.) and 3 species of predators: the Mirids Deraeocoris flavilinea Costa and Pilophorus perplexus (Dougl. & Scott) and the Vespid Polistes gallicus (Latr.).