Ichneumons in Reunion Island: a catalogue of the local Ichneumonidae (Hymenoptera) species, including 15 new taxa and a key to species Author Rousse, Pascal Author Villemant, Claire text Zootaxa 2012 3278 1 57 journal article 10.5281/zenodo.214150 eee2c5c2-96c0-4459-bd7f-4e48a6be87c4 1175-5326 214150 Diplazon laetatorius ( Fabricius, 1781 ) ( Fig. 7 c) Anomalon attractus Say, 1835 : 241 ; Bassus albovarius Wollaston, 1858 : 23 ; Bassus balearicus Kriechbaumer, 1894a : 246 ; Bassus cinctipes Holmgren, 1868 : 409 ; Bassus generosus Cameron , 1898 : 31 ; Bassus sycophanta Cresson, 1868 : 112 ; Bassus tripicticrus Walsh, 1873 : 85 ; Bassus venustulus Saussure, 1892 : pl. 15; Ichneumon dichrous Schranck, 1781: 352 ; Ichneumon laetatorius Fabricius, 1781 : 424 ; Scolobates varipes Smith, 1878 : 3 Diagnosis . The tricolor hind tibia with median white band is a reliable specific character. Description . Gauld et al. (1997) . Biological notes . Parasitizes a wide variety of dipterous hosts, especially aphidophagous syrphid flies (more than 50 host species reported in Syrphidae ). Males of D. laetatorius are extremely rare; females are thelytokous ( Gauld et al. 1997 ). Comments . One of the best known Ichneumonidae . Numerous references are available about all aspects of its biology and ecology. Distribution records . Reunion ( Saussure 1892 ). Cosmopolitan. Material examined . 1Ƥ St Paul / Tan Rouge, alt. 800m , VI.2011 , leg. Cirad; 2Ƥ same locality, II.2011 , leg. Cirad; 2Ƥ same locality, I.2011 , leg. Cirad; 1Ƥ St Pierre / Bassin Martin, alt. 290m , VI.2011 , leg. Cirad; 1Ƥ same locality, XII.2010 , leg. Cirad; 1Ƥ St Leu / Colimaçons, alt. 260m , XI.2010 , leg. Cirad; 2Ƥ Petite Ile / Piton Bloc, alt. 750m , IV.2010 , leg. Cirad; 4Ƥ same locality, II.2010 , leg. Cirad; 1Ƥ Montvert-les-hauts, XI.2005 , leg. IDR .