Lengthoffollicles

          Tribo rhodniini

Tribo triatomini

 
  Psammolestes Rhodnius Panstrongylus Triatoma Meccus Mepraia
Very short - - - - - 1
Short 5 5 - 3 3 3
Medium - - - 2 2 2
Long 2 2 - 2 2 1
Same length - - 7 - - -
Table 1: Characterization of six genera by the size of testicular follicles.