Key to Species of Eoscaptotrigona

1. Metasomal tergum I without erect, black bristles apicolaterally on dorsal-facing surface; wings orange fuscous ........................................................................ 2

—. Metasomal tergum I with minute, erect, black bristles apicolaterally on dorsal-facing surface; wings infumate [Venezuela, Colombia] ............... S. totobi, n. sp.

2(1). Suberect to subdecumbent, black bristles abundant on metasomal terga III–VI [Panama, Costa Rica, Nicaragua] ........................................... S. luteipennis (Friese)

—. Suberect to subdecumbent, black bristles abundant on metasomal terga IV–VI, those of tergum III noticeably shorter and somewhat sparser than those of succeeding terga [Bolivia, Brazil, Peru] ..................................... S. polysticta Moure