Flatoidini Melichar 1901

Tribe Flatoidini Melichar, 1901 Key to the American genera of Flatoidinae 1. Lateral margin of forewing distinctly undulate.............................................................. 2 –. Lateral margin of forewing not undulate................................................................... 4 2. From dorsal view apical margin of the pronotum convex, apex of the head weakly convex....................................................................................... Phalaenomorpha Amyot & Audinet-Serville, 1843 –. From dorsal view apical margin of the pronotum pointed, apex of the head weakly pointed.......................... 4 3. Length of vertex twice the width between eyes......................................... Atracodes Melichar, 1902 –. Length of vertex as long as width between eyes.................................. Flatarissa Metcalf & Bruner, 1948 4. Head distinctly pointed at apex..................................................... Flatoidinus Melichar, 1923 –. Head distinctly truncate at apex......................................................................... 5 5. 1 lateral spine on hind tibiae (sometimes 2, check both legs)................................. Metcracis Medler, 1993 –. 2 or three lateral spines on hind tibiae..................................................................... 6 6. 2 lateral spines on hind tibiae, occurring outside Cuba.................................... Flataloides Metcalf, 1938 –. 3 lateral spines on hind tibiae, occurring in Cuba.................................. Flatarina Metcalf & Bruner, 1948