Hymenoptera Ichneumonidae of Montecristo Island (Tuscan Archipelago), with some new records for the Italian fauna

Data on the presence in the Island of Montecristo (Tuscan Archipelago, Italy) of 35 taxa of Ichneumonidae (Hymenoptera Ichneumonoidea) are provided. The specimens were collected with a Malaise trap in 2011 and 2012. Seven of the identified species were already known for the Tuscan archipelago, four for the Island of Montecristo. The total number of Ichneumonidae in the Archipelago rises from 20 to 49 species, that of Montecristo from 5 to 36. Eleven species are new records for South Italy. Townostilpnus chagrinator Aubert, 1916, previously known only from Corsica and southern France, is new to Italy.