Key to species of Bonea
1 Free tergite with long spines as long as dorsal scutum........................................................ 2
- Free tergite with short spines or tubercles.................................................................. 6
2 Posterior to the median elevation on carapace with two large median spines....................................... 3
- Posterior to the median elevation on carapace without two large median spines............................ B. palpalis
3 First scutal area with long median spines.................................................................. 4
- First scutal area without long median spines......................................................... B. cippata
4 Ventral surface of proximal segment of chelicera with teeth.................................................... 5
- Ventral surface of proximal segment of chelicera without teeth....................................... B. armatissima
5 Ventral surface of second segment of chelicera with a row of four small teeth...................... B. tridigitata sp. nov.
- Ventral surface of second segment of chelicera with one prominent tooth.............................. B. zhui sp. nov.
6 Second scutal area with long median spines................................................................. 7
- Second scutal area without long median spines.............................................................. 9
7 Fifth scutal area with long median spines................................................................... 8
- Fifth scutal area without long median spines........................................................ B. silvestris
8 Fourth scutal area with long median spines....................................................... B. longipalpis
- Fourth scutal area without long median spines.................................................... B. sarasinorum
9 Fourth scutal area with long median spines........................................................ B. scopulata
- Fourth scutal area without long median spines....................................................... B. albertus