Seticeros

Santos-Silva, Josef Vlasak Antonio, 2021, A new species of Seticeros Perger and Santos-Silva from Ecuador (Coleoptera: Cerambycidae: Prioninae), Insecta Mundi 2021 (889), pp. 1-6 : 5

Key to species of Seticeros (adapted from Ramírez Campos et al. 2011)

1. Profemur sculptured (with asperities ventrally and usually rugose or rugose-punctate laterally); males.................................................................................... 2

— Profemur smooth or almost smooth; females................................................. 5

2(1). Prothorax laterally rounded............................................................... 3

— Prothorax laterally not rounded............................................................ 4

3(2). Head (excluding mandibles) + prothorax as long as half elytral length; scape ( Fig. 17 ) with granules on outer surface; Costa Rica, Panama............ S. granulocephalus Ramírez Campos et al., 2011

— Head (excluding mandibles) + prothorax distinctly shorter than half elytral length; scape ( Fig. 21 ) without granules on outer surface; Colombia........................ S. aquilus (Thomson, 1865)

4(2). Setae on ventral surface of antennomeres dense ( Fig. 16 ); distance between upper eye lobes distinctly wider ( Fig. 14 ) than width of one upper lobe; Bolivia... S. tunupai Perger and Santos-Silva, 2010

— Setae on ventral surface of antennomeres sparse ( Fig. 3–4 ); distance between upper eye lobes shorter than width of one upper lobe ( Fig. 1, 5 ); Ecuador..................................................................................... S. convergens Vlasak and Santos-Silva , sp. nov.

5(1). Innermost elytral carina slightly marked ( Fig. 7, 10 )... S. convergens Vlasak and Santos-Silva , sp. nov.

— Innermost elytral carina well-marked ( Fig. 20 )............................................... 6

6(5). Distance between upper eye lobes distinctly wider than width of one upper lobe..................................................................... S. tunupai Perger and Santos-Silva, 2010

— Distance between upper eye lobes at most slightly wider than width of one upper lobe............. 7

7(6). Outermost dorsal elytral carina starting on humerus...................................................................................... S. granulocephalus Ramírez Campos et al., 2011

— Outermost dorsal elytral carina ( Fig. 20 ) not starting on humerus...... S. aquilus (Thomson, 1865)

Figures

Figures 11–21. Seticeros spp. 11) Seticeros convergens sp. nov., paratype female, specimen 2, dorsal habitus. 12– 13) Seticeros tunupai Perger and Santos-Silva, 2010, paratype female. 12) Dorsal habitus. 13) Ventral habitus. 14–16) Seticeros tunupai, holotype male. 14) Dorsal habitus. 15) Head, ventral view. 16) Basal antennomeres. 17–19) Seticeros granulocephalus Ramírez Campos et al., 2011, holotype male. 17) Dorsal habitus. 18) Head, ventral view.19) Basal antennomeres.20–21) Seticeros aquilus (Thomson, 1865). 20) Paralectotype female, dorsal habitus. 21) Lectotype male, dorsal habitus. Figures 20–21 by Gérard L. Tavakilian.

Figures 1–10. Seticeros convergens sp. nov. 1–5) Holotype male. 1) Dorsal habitus. 2) Ventral habitus. 3) Lateral habitus. 4) Dorsolateral view. 5) Frontal view.6–10) Paratype female, specimen 1. 6) Frontal view.7) Dorsal habitus. 8) Ventral habitus. 9) Lateral habitus. 10) Dorsolateral view.