Key to species of Hecamede from the Saudi Arabia

1. Gonostylus about 2/3 length of cerci and bearing not more than 6 fine, long setulae at ventral margin; gonite irregularly trian- gular, posterior margin conspicuously sinuous.................................... Hecamede maritima Mathis, 1993

- Gonostylus as long as cerci, bearing about 12 stout setulae along anteroventral margin; gonite more regularly triangular............................................................................... Hecamede socotra Mathis, 1993