Key to EspĂrito Santo genera of Dicyphini .
1 Head with lateral margins behind the eyes somewhat parallel, not convergent; with a dark stripe behind each eye.................................................................................................... Macrolophus
- Head with lateral margin behind the eyes convergent; without a dark stripe behind each eye.......................... 2
2 Eyes touching anterior margin of pronotum, pygophore without a bifurcate process.................. Campyloneuropsis
- Eyes located at median side of head....................................................................... 3
3 Pygophore with a single tubercular projection on the right side.......................................... Tupiocoris
- Pygophore with a bifurcated process on anterior margin................................................ Engytatus