Key to the species of Oncopeltus (Oncopeltus) present in Ecuador

1 Head unicolored black (Fig. 1) .......................................................................................................... Oncopeltus orourkeae sp. nov.

1’ Head bicolored black and red (e.g., Fig. 2)....................................................................................................................................... 2

2 Scutellum with red patches ............................................................................................................... Oncopeltus femoralis Stål, 1874

2’ Scutellum without red patches (Fig. 2) ................................................................................. Oncopeltus varicolor (Fabricius, 1794)