Distenia (Distenia), 1828

Botero, Juan Pablo & Almeida, Lúcia M., 2019, New species and new geographical records in Disteniidae (Coleoptera, Chrysomeloidea) with revised keys to species of Novantinoe and American species of Distenia (Distenia), Zootaxa 4590 (1), pp. 40-58 : 40-58

Key to species of American Distenia (Distenia)

(modified and translated from Santos-Silva & Hovore 2007a)

1. Inner and outer apical projections of metafemora equal or subequal in length..................................... 2

- Apical projections of metafemora different: inner projection rounded or triangular and outer projection long and spiniform.................................................................................................... .. 12

2(1). Elytral apex with outer spine............................................................................. 3

- Outer elytral apex rounded or just slightly projected........................................................ 10

3(2). Elytra entirely pubescent. Brazil (Rio de Janeiro, São Paulo, Santa Catarina)................. D. (D.) pilosa Villiers, 1959

- Elytra not entirely pubescent, just with sparse setae and/or some pubescent area.................................... 4

4(3). Antennomeres IV–XI annulated. Colombia (Cundinamarca)......................... D. (D.) annulicornis Villiers, 1959

- Antennomeres IV–XI not annulated...................................................................... 5

5(4). Lateral tubercles of prothorax rounded; apical spine of elytra curved. Brazil (Bahia, Espírito Santo).................................................................................................. D. (D.) forcipata Villiers, 1959

- Lateral tubercles of prothorax acute; apical spine of elytra straight.............................................. 6