Ichneumonid wasps from Madagascar. V. Ichneumonidae Cremastinae Author Rousse, Pascal Author Villemant, Claire Author Seyrig, Andre text Zootaxa 2011 3118 1 30 journal article 45861 10.5281/zenodo.201206 a50bd6bd-690d-4219-9071-d92af2c28a72 1175-5326 201206 Key to species of Trathala in Madagascar 1 Tergite II twice longer than tergite I, propodeal carination strongly reduced, ovipositor tip strongly sinuate ( Fig. 12 e).................................................................... T. lachaisae Rousse, Villemant et Seyrig sp. nov. - Tergite II less than twice longer than tergite I, propodeal carination distinct........................................ 2 2(1) Flagellum with a median pale ring ( Fig. 12 c)........................................... T. annulicornis (Tosquinet) - Flagellum without median pale ring....................................................................... 3 3(2) Clypeus narrow (Ci <1.6) and strongly convex, face flat ( Fig. 12b )........ T. agnielae Rousse, Villemant et Seyrig sp. nov. - Clypeus wider and flatter............................................................................... 4 4(3) Face and clypeus black with orbits yellow ( Fig. 12 d).................... T. mimouna Rousse, Villemant et Seyrig sp. nov. - Face and clypeus yellow to light reddish taestaceous without any black marking................................... 5 5(3) Postpectal carina ventrally swollen in front of middle coxae and medially fainter, scutellum reddish, metasoma black............................................................... T. orchestotrichias Rousse, Villemant et Seyrig sp. nov. - Postpectal carina not swollen, scutellum yellow, metasoma yellow with tergites I–II black....... T. flavoorbitalis ( Cameron )