Megaselia praecusta; Odinia meijerei; LEPIDOPTERAN-HOSTS; Zeuzera pyrina; Parasite occurrence, biocontrol implications; ITALY-; Emilia-Romagna, Bologna, Imola; Occurrence records on lepidopteran host, host biocontrol implications Zeuzera pyrina; PARASITES-; Natural enemy records including 6 new records for Europe; DIPTERAN-PARASITES; Megaselia praecusta & Odinia meijerei; HYMENOPTERAN-PARASITES; Dolichogenidea, Ichneumonidae & Perilampus; Parasite occurrence; HYPERPARASITISM-; Perilampus tristis (Hymenoptera); Occurrence; FUNGAL-DISEASES; Beauveria bassiana & Hirsutella thompsonii; Fungal occurrence, biocontrol implications; PREDATORS-; Natural enemy records, biocontrol potential, larvae; ITALY-; Emilia-Romagna, Bologna, Imola; Natural enemy occurrence including 6 new parasitoid records for Europe Dolichogenidea laevigata**; ICHNEUMONIDAE-; LEPIDOPTERAN-HOSTS; Zeuzera pyrina; Parasite occurrence, biocontrol implications, Italy HYMENOPTERA-; LEPIDOPTERAN-HOSTS; Zeuzera pyrina; Parasite occurrence; ITALY-; Emilia-Romagna, Bologna, Imola; Parasites & hyperparasites of lepidopteran host, biocontrol implications Perilampus tristis; LEPIDOPTERAN-HOSTS; Zeuzera pyrina; HYPERPARASITISM-; Zeuzera pyrina (Lepidoptera), occurrence, biocontrol implications, Italy none