Key to the Species of Heteroscelis Latreille

1 Dorsal foretibial expansion wider than the femur............................................................ 2

- Dorsal foretibial expansion narrower than the femur......................................................... 4

2 Mandibular plates as long as or slightly surpassing clypeus; urosternite III tubercle concolor, or completely yellow or orange, from apex to the posterior margin of the urosternite.......................................................... 3

- Mandibular plates distinctly surpassing clypeus; urosternite III tubercle yellow or orange from apex to the middle of the urosternite........................................................................... H. servillii Laporte

3 Corium with a circular yellow spot near the posterior margin; urosternites VI and VII with yellow spots; urosternite III tubercle yellow or orange................................................................... H. bimaculata (Walker)

- Body entirely metallic-blue with a triangular red or orange spot on scutellum......................... H. lepida (Stål)

4 Pronotum and scutellum with a yellow midline............................................. H. robustus Thomas

- Pronotum and scutellum red to orange................................ H. vandembergi Sampaio & Campos, sp.nov.