The collections of the "Museo Regionale di Scienze Naturali di Torino". New Ichneu- monidae (Hymenoptera) for the Italian fauna and first records for Piedmont. In the last thirty years many Ichneumonithe specimens were collected in Italy, most of them in Piedmont but also in other regions. The new taxa for Italy are 55 and the new records for Piedmont are 795. For every taxon the distribution in the 20 Italian regions plus Istria and Corsica is given.The fol- lowing species are new for the Italian fauna: Acolobus albimanus (Gravenhorst, 1829), Alomya pygmaea Heinrich, I 949, Atractodes obsoletor (Zetterstedt, I 838), Baranisobas hibericus Hein- rich, 1972, Barichneumon proletarius subsp.flavomaculaius (Lucas, 1849), Coelichneumon bi- lineatus (Gmelin, 1790), Coelichneumon falsificus (Wesmael, 1845), Coelichneumon pumil- ionobilis Heinrich, 1951, Collyria trichophthalma (Thomson, 1877), Cubocephalus fortipes (Gravenhorst, 1829), Diadromus pukhellus Wesmael, 1845, Diphyus castanopygus (Stephens, 1835), Dolichomitus diversicostae (Perkins, 1943), Dolichomilus dobrogensis Constantineanu & Pisica, 1970, Dolichomitus scutellaris (Thomson, 1877), Endromopoda nigricoxis (Ulbricht, 1910), Exetastes illyricus Strobl, 1904, Cells rufipes (Foerster, 1850), Habronyx nigricornis (Wesmael, 1849), Hidtyta fiaiventris (Thomson, 1873), Hoplocryptu.s bellosus (Curtis, 1837), Hoplocryptus coxator (Tschek, 1870), Ichneumon fitscatus Gmelin, 1790, hoplectis viduata (Gravenhorst, 1829), Javra anomala (Morley, 1908), Lathrolestes caudatus (Thomson, 1883), Mesoleius sinuatus Thomson, 1894, Metopius kiopygus Foerster, 1850, Olesicampe macella- tor (Thunberg, 1822), Phygadeuon forticornis Kriechbaumer, 1892, Phytodietus arcuatorius (Thunberg, 1822), Phytodietus geniculatus Thomson, 1877, Phytodietus ornatus Desvignes, 1856, Podoschistus scutellaris (Desvignes, 1856), Poly.sphincia boops Tschek, 1868, Saotis compressiventris (Strobl, 1902), Scambus cincticarpus (Kriechbaumer, 1895), Sinarachna pal- lipes (Holmgren, 1860), Smicroplectrus nigricornis Kasparyan, 1976, Triclistus anthophilae Museo Regionale di Scienze Naturali Torino.Aeschlimann, 1983, Triclistus 'tiger (Bridgman, 1883), Tromatobia variabilis (Holmgren, 1856), Tycherus eques (Wesmael, 1845). The following genera are new for the Italian fauna: Javra Cameron, 1903; Sinarachna Townes, 1950; Saotis Foerster, 1869. The following taxa were al- ready recorded for Italy but not cited in the "Checklist delle specie della Fauna Italiana": Apte- sis habermehli Sawoniewicz, 2003, Baeosemus miligosus (Gravenhorst, 1829), Blapsidotes vici- nus (Gravenhorst, 1829), Crypteffigies lanius (Gravenhorst, 1829), Dicaelotus erythrogaster (Holmgren, 1890), Dicaelotus resplendens resplendens Holmgren, 1855, Eridolius consobri- nus (Holmgren, 1857), Gambrus amoenus (Gravenhorst, 1829), Cells This (Foerster, 1850), Glypta sea/al-is Gravenhorst, 1829, Herpestomus nasutus Wesmael, 1845, Hybrizon pilialatus Tobias, 1988, Ichneumon megapodius Heinrich, 1949, Liohyphon caudatus (Ratzeburg, 1848), Lissonota ibericator Aubert, 1972, Lissonota punctiventris Thomson, 1877, Melanichneumon harlingi (Gehrs, 1908), Odontocolon punctulatum (Thomson, 1877), Pimpla flavicavis Thom- son, 1877, Poemenia notata Hohngren, 1859, Syrphoctonus dimidiatus (Schrank, 1802), Mychosis pauper (Tschek, 1870), Woldvtedthts nigrolineatus (Strobl, 1903), Xorides corcyrensis (Kriechbauer, 1894), Zatypota albico.va (Walker, 1874). BR Animals and man. Education and entertainment. Land zones. Palaearctic region. Eurasia. Europe. Ichneumonidae (Ichneumonoidea). Ichneumonidae: Museums collections and exhibitions, Collections of Museo Regionale di Scienze Naturali di Torino, Species list, new record, Italy. ST Animalia, Arthropoda, Insecta, Hymenoptera, Apocrita, Terebrantia, Ichneumonoidea. Arthropods; Hymenopterans; Insects; Invertebrates. none2009checked