Key to South American genera of Acanthocinini (Coleoptera, Cerambycidae, Lamiinae) without erect setae on elytra; synonymies, transferences, revalidation, and notes on genera with erect setae on elytra Author Monné, Miguel A. 0000-0001-8825-3122 monne@uol.com.br Author Santos-Silva, Antonio 0000-0001-7128-1418 toncriss@uol.com.br Author Monné, Marcela L. 0000-0001-8825-3122 monne@uol.com.br text Zootaxa 2020 2020-10-21 4863 1 1 65 journal article 9030 10.11646/zootaxa.4863.1.1 95a73980-ea3b-47d6-9841-774c62b4d825 1175-5326 4416817 66DCE172-2486-450B-AD2C-2D80F573348E Pseudosparna Mermudes & Monné, 2009 ( Figs. 142–146 ) Pseudosparna Mermudes & Monné, 2009: 64 . Type species — Pseudosparna luteolineata Mermudes & Monné, 2009 (original designation). Diagnosis. Prothorax with lateral tubercles at basal third; pronotum without tubercles; elytra elongate, about three times as long as the humeral width, without longitudinal carinae or centrobasal crest, with setae on the entire elytral surface or restricted to the posterior half of the external margins; prosternal and mesosternal processes very narrow. Number of species currently included: 10. Remarks. Pseudosparna can be included in three different locations in the key from Monné et al. (2020) : 2(1). Antennae 11-segmented..................................................................................2’ – Antennae 12-segmented............................................................... Lepturgantes Gilmour, 1957 2’(2). Scape distinctly suprassing elytral base..................................... Pseudosparna Mermudes & Monné, 2009 – Scape at most reaching elytral base.............................................. Lepturges ( Chaeturges ) Gilmour, 1959 29(28). Meso- and metatibiae not flattened, with sparse setae........................................................29’ – Meso- and metatibiae flattened, with abundant setae........................................ Pseudocriopsis Melzer, 1931 29’(29). Body slender; scape distinctly surpassing elytral base…..................... Pseudosparna Mermudes & Monné, 2009 – Body stouter; scape not or slightly reaching elytral base........................................... Alcidion Sturm, 1843 45(44). Prosternal and mesoventral processes, respectively, as wide as one procoxa and mesocoxa.......... Trichonius Bates, 1864 – Prosternal and mesoventral processes distinctly narrower than pro- and mesocoxae.................................... 45’ 45’(45). Prosternal and mesoventral processes, respectively, as wide as half the width of procoxae and mesocoxae............... .............................................................................. Piezochaerus Melzer, 1932 – Prosternal and mesoventral processes narrower than half of pro- and mesocoxae....... Pseudosparna Mermudes & Monné, 2009