Techniques of Psyttalia concolor mass-rearing utilised in Entomology laboratories at University of Pisa are described. A synthesis of a pluriannual study on parameters that play an essential role in optimising the rearing technique, as well as ensuring more correct utilization of the parasitoid in field conditions, is also reported. BR Techniques. Care in captivity. Parasites diseases and disorders. Parasites. Insect parasites. Hosts. Insect hosts. Ceratitis capitata (Tephritidae): Host; Psyttalia concolor (Braconidae): Parasite. Ceratitis capitata: Hymenopteran parasites, Psyttalia concolor; Psyttalia concolor: Rearing techniques, Mass rearing technique, Dipteran hosts, Ceratitis capitata. ST Animalia, Arthropoda, Insecta, Diptera, Brachycera, Cyclorrhapha, Tephritidae; Animalia, Arthropoda, Insecta, Hymenoptera, Apocrita, Terebrantia, Ichneumonoidea, Braconidae. Arthropods; Hymenopterans; Insects; Invertebrates; True Flies. none