Sphallambyx, Fragoso, 1982

Santos-Silva, Antonio, Botero, Juan Pablo & Galileo, Maria Helena M., 2018, On Sphallambyx mexicanum and key to species of Sphallambyx (Coleoptera, Cerambycidae, Cerambycinae), Zootaxa 4429 (3), pp. 572-576 : 575

Key to species of Sphallambyx

1. Each elytron with five isolated dark maculae (three dorsally, two laterally) ( Fig . 14). Colombia, Ecuador, Peru, Bolivia, Brazil ( Acre)............................................................................................................................................... S. superbum (Aurivillius, 1910)

- Each elytron with a large, continuous dark band dorsally and, at most, with a single lateral dark band ( Figs 1 , 11 ) ...................... 2

2(1). Head distinctly pubescent ( Figs 10, 11 ); vertex lacking longitudinal sulci ( Fig. 11 ). Brazil ( Minas Gerais, Rio de Janeiro, São Paulo, Paraná)..................................................................................................................................S. chabrillacii (Thomson, 1857)

- Head, at most, sparsely pubescent ( Figs 1, 4, 5, 6, 8); vertex with distinct longitudinal sulci ( Fig. 1, 4, 6, 8 ). Mexico ( Veracruz), Guatemala, Costa Rica, Panama............................................................................................S. mexicanum Galileo & Martins, 2007

Figures

FIGURES 11–14.11–13, Sphallambyx chabrillacii, male: 11, dorsal habitus; 12, lateral habitus; 13, dorsal habitus, holotype of Criodion toledopizai Melzer, 1934. 14, Sphallambyx superbum, dorsal habitus, male.

FIGURES 1–10.1–9, Sphallambyx mexicanum: 1, dorsal habitus, male; 2, ventral habitus, male; 3, lateral habitus, male; 4, head and pronotum, female; 5, head, frontal view, male; 6, dorsal habitus, female; 7, ventral habitus, female; 8, head and pronotum, holotype female; 9, ventral habitus, holotype female. 10, Sphallambyx chabrillacii, head, frontal view, male.