Sundagrapha Holloway 1982

Key to all known species of Sundagrapha 1 Apex of the valve quite long.................................................................... S. lepidata - Apex of the valve short................................................................................. 2 2 Costal process slightly longer; apex of the valve flat-tipped............................................ S. laoensis - Costal process slightly shorter; apex of the valve pointed...................................................... 3 3 Smaller in body size; distal edge of the valve concave............................................... S. tenebrosa - Larger in body size; distal edge of the valve straight.............................................. S. recta sp. nov.