A taxonomic revision of the Neotropical termite genus Cyrilliotermes Fontes (Isoptera, Termitidae, Syntermitinae) Author Constantino, Reginaldo Author Carvalho, Sérgio H. C. text Zootaxa 2012 3186 25 41 journal article 45481 10.5281/zenodo.212268 d54e7c77-faa6-4bec-88d3-9a080d106199 1175-5326 212268 Key to the soldiers of Cyrilliotermes 1. Nasus broadly conical ( Fig. 5 A–B)................................................... C. crassinasus , new species - Nasus subcylindrical (Figs. 2A–D, 3A–B, 8A–B, E)......................................................... 2 2. Right mandible with cutting edge between A and M1 much longer than the distance between M1 and M2; ( Fig. 9 A–B); nasus conspicuously upturned (Fig. 2A); sides of head capsule usually angular.............................. C. angulariceps - Right mandible with cutting edge between A and M1 shorter than the distance between M1 and M2 ( Figs. 9 C–F); nasus oriented anteriorly or moderately upturned; sides of head capsule not angular............................................. 3 3. Cutting edge between A and M1 short and concave ( Fig. 9 E–F); apical teeth often rounded; head capsule elongate, usually with nearly straight lateral sides in dorsal view ( Fig. 8 B); nasus not upturned............................... C. strictinasus - Cutting edge between A and M1 long and straight ( Fig. 9 C); apical teeth with sharp points; head capsule not elongate ( Fig. 3 B); nasus slightly upturned............................................................. C. brevidens , new species