fore wing with subdiscal cell (Fig. 1: arrow A) completely closed by surrounding wing veins; m-cu (Fig. 1: arrow B) extends to second submarginal cell (Fig. 1: 2nd), second submarginal cell thus 5-sided
fore wing with subdiscal cell (Fig. 1: arrow A) open posteriorly and distally; m-cu (Fig. 1: arrow B) extends to first submarginal cell (Fig. 1: 1st), second submarginal cell thus 4-sided