Help with Tetragonopterinae

["Carlos at Mizzou1.Missouri.edu M. at Mizzou1.Missouri.edu Estevez at Mizzou1.Missouri.edu - at Mizzou1.Missouri.edu Breton-Proyecto at Mizzou1.Missouri.edu Abaco" at Mizzou1.Missouri.edu]

Please if someone has usefull keys for Tetras I'll be very gratefully.
I'm a Biology student working in tropical freshwater fishes from the
upper Orinoco (Inirida river-Colombia).

Jurgen Guerrero
Departamento de Biologia
Facultad de Ciencias
Pontificia Universidad Javeriana
Current adress: Cra 4 # 16-75 Apto 1201
                 Santafe de Bogota D. C.
                Colombia-South America
 email: karel at javercol.javeriana.edu.co