Couplet 30

30a:  All tibia with 2 distinct apical spurs; front without X-shaped grooves; mesonotum with or without stridulatory file; ligula large. membranous, bilobed; aedeagus with median struts and tegmen bilobed. 

Go to Couplet  31

30b:  Either at least 1 tibia fewer than 2 apical spurs or front with deep X-shaped grooves; mesonotum without stridulatory file; ligula normal; aedeagus without median struts.