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 View in CoL

–. Length of vertex as long as width between eyes.................................. Flatarissa Metcalf & Bruner, 1948 View in CoL

4. Head distinctly pointed at apex..................................................... Flatoidinus Melichar, 1923 View in CoL

–. Head distinctly truncate at apex......................................................................... 5

5. 1 lateral spine on hind tibiae (sometimes 2, check both legs)................................. Metcracis Medler, 1993 View in CoL

–. 2 or three lateral spines on hind tibiae..................................................................... 6

6. 2 lateral spines on hind tibiae, occurring outside Cuba.................................... Flataloides Metcalf, 1938 View in CoL

–. 3 lateral spines on hind tibiae, occurring in Cuba.................................. Flatarina Metcalf & Bruner, 1948 View in CoL