Key to Thai species of Eurhaphidophora

1. Median process of male ninth tergite slim and long (this process is approximately thrice as long as it is wide) as well as being insignificantly curved downwards........................................................................ 2

- Median process of male ninth tergite is wide and short (this process is approximately one times as long as it is wide) as well as being strongly curved downwards................................................... E. pawangkhananti sp. nov.

2. Median process of the male ninth tergite with a pair of thin ventroapical spines................ E. bispina Gorochov, 2010

- Median of process of the male ninth tergite with a pair of distinctly wider and rounded lobules at the apex......................................................................................... E. tarasovi doitungensis ssp. nov.