Brachydiplax farinosa could be confused with Brachydiplax chalybea and Aethriamanta gracilis because all these three dragonfly species are whitish blue colour. Nevertheless, close inspection will reveal their differences. Brachydiplax farinosa does not have yellow tinted wing base as that of B. chalybea and A. gracilis, and B. farinosa has less extensive whitish blue abdominal segments compared to B. chalybea and A. gracilis. I noted that B. farinosa is less common compared to B. chalybea and A. gracilis.