Nouvelles notes sur la faune des Hautes Fagnes en Belgique : II. Deuxième contribution à la connaissance des Hymenoptères Symphytes

Records of sawflies collected in the north-eastern part of the belgian Ardennes (alt. 500-600 m o.s.l.) are presented. 1. A list of the 45 species of Nematinae actually found is given ; 2. 26 species of the others families and subfamilies are published as new for this region ; 3. New data about 21 species previously known are presented.