Canthon (Goniocanthon) Pereira & Martínez, 1956,

Nunes, Luis Gabriel de O. A., Nunes, Rafael V. & Vaz-De, Fernando Z., 2018, Taxonomic revision of the South American subgenus Canthon (Goniocanthon) Pereira & Martínez, 1956 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini), European Journal of Taxonomy 437, pp. 1-31: 4-6

publication ID

https://doi.org/10.5852/ejt.2018.437

publication LSID

lsid:zoobank.org:pub:AF27DA05-746B-459D-AC8C-4F059EAA4146

DOI

http://doi.org/10.5281/zenodo.3793677

persistent identifier

http://treatment.plazi.org/id/191B87A8-FF9D-3C3A-FF2A-FCA8FA9AD82B

treatment provided by

Valdenar

scientific name

Canthon (Goniocanthon) Pereira & Martínez, 1956
status

 

Key to species and subspecies of Canthon (Goniocanthon) Pereira & Martínez, 1956 

1. Pygidium strongly convex. Metasternal anterior lobe convex or flat ( Fig. 1View Fig). Dorsal surface glabrous with blue, green, golden, or red metallic sheen ( Figs 2–4View FigView FigView Fig). Ventral surface of metafemur not marginate anteriorly …………………2 Canthon (Goniocanthon) Pereira & Martínez, 1956 

– Pygidium flat or slightly convex. Metasternal anterior lobe, if protuberant, angled or truncated, not convex. Dorsal surface pubescent or glabrous, with or without metallic sheen. Ventral surface of metafemur marginate or not anteriorly ……………………………………………………………… ……other subgenera and isolated species-groups of Canthon sensu Halffter & Martínez (1977) 

2. Both pygidium and metasternal anterior lobe strongly convex. Profemur with a tooth on its anterior lower border. Pronotum and elytra with similar colour. South America ……………3

– Only pygidium convex ( Fig. 4CView Fig). Metasternal anterior lobe flat ( Fig. 4BView Fig). Profemur without tooth on its anterior border ( Fig. 4BView Fig). Pronotum metallic green and elytra bright black ( Fig. 4AView Fig). Guyanas, Suriname, Venezuela …………………………………… C. (G.) bicolor Castelnau, 1840 

3. Meso- and metafemora ventral surface completely smooth ( Fig. 1AView Fig). Metasternal anterior lobe strongly convex in males ( Fig. 1BView Fig). Dorsal surface with blue or green metallic sheen ( Fig. 2View Fig). Brazil (from Ceará to Santa Catarina, westward till southern Mato Grosso do Sul), Argentina and Paraguay, along the Paraná River ……………………………………… C. (G.) smaragdulus ( Fabricius, 1781) 

A Dorsal surface with blue metallic sheen ( Fig. 2AView Fig). Brazilian coastal Atlantic Forest (from southern Rio de Janeiro to Santa Catarina, westward to southern Mato Grosso do Sul), Argentina and Paraguay along the Paraná River …………… C. (G.) smaragdulus smaragdulus ( Fabricius, 1781) 

A’ Dorsal surface with green metallic sheen ( Fig. 2BView Fig). Brazilian coastal Atlantic Forest (from Ceará to São Paulo) ………………………………… C. (G.) smaragdulus subviridis Schmidt, 1922  stat. rev.

– Meso- and metafemora ventral surface rugose on posterior half ( Fig. 1DView Fig). Metasternal anterior lobe only slightly convex in males ( Fig. 1EView Fig). Dorsal surface with green, golden, or red metallic sheen ( Fig. 1EView Fig). Amazon forest in Bolivia, Brazil, Colombia, Ecuador and Peru ……………… ………………………………………………………………… C. (G.) fulgidus Redtenbacher, 1868 

B Dorsal surface with only red metallic sheen, without green or golden reflexes ( Fig. 3CView Fig). Northeastern Bolivia. Brazil (Acre, northern Mato Grosso, southern and central Pará, Rondônia) ……………………………………………………………… C. (G.) fulgidus pereirai  subsp. nov.

B’ Dorsal surface with golden metallic sheen ( Fig. 3AView Fig). Brazil (northern Mato Grosso) ………… …………………………………………………………… C. fulgidus fulgidus Redtenbacher, 1868 

B’’ Dorsal surface with green metallic sheen, devoid of any orange, with sometimes slight golden reflection ( Fig. 3BView Fig). Central Colombia, eastern Ecuador and Peru, and Brazil (western Amazonas) ………………………………………………… C. (G.) fulgidus martinezi  subsp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Scarabaeidae

Genus

Canthon