Key to EspĂrito Santo species of Eccritotarsus
1 Clavus fully black. Areola of membrane entirely dark fuscous to black; cuneus with apex and base black, and central area whitish; tibiae darkened in the apical third; head without pale at sides.............................. E. nigrocruciatus
- Clavus with a white or pale spot to uniformly light.......................................................... 2
2. Pronotum fully dark fuscous to black; clavus without pale spot, usually pale with brown coloration apically and along margin bordering scutellum.......................................................................... E. brotaensis
- Pronotum variable in color but not fully dark............................................................... 3
3 Scutellum mainly light colored.......................................................................... 5
- Scutellum predominantly dark............................................................................4
4 Pronotum dark fuscous to black, with the middle of collar and area of the disc, pale.......................... E. carioca
- Dark coloration of pronotum limited to areas on the posterior corner..................................... E. hyalinus
5 Scutellum black only at apex; tibiae pale; transverse fascia of corium narrow; apex of cuneus pale.......... E. emboabanus