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

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

persistent identifier

https://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 View in CoL

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

– 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) View in CoL

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. 4C View Fig ). Metasternal anterior lobe flat ( Fig. 4B View Fig ). Profemur without tooth on its anterior border ( Fig. 4B View Fig ). Pronotum metallic green and elytra bright black ( Fig. 4A View Fig ). Guyanas, Suriname, Venezuela …………………………………… C. (G.) bicolor Castelnau, 1840 View in CoL

3. Meso- and metafemora ventral surface completely smooth ( Fig. 1A View Fig ). Metasternal anterior lobe strongly convex in males ( Fig. 1B View Fig ). Dorsal surface with blue or green metallic sheen ( Fig. 2 View 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) View in CoL

A Dorsal surface with blue metallic sheen ( Fig. 2A View 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. 2B View 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. 1D View Fig ). Metasternal anterior lobe only slightly convex in males ( Fig. 1E View Fig ). Dorsal surface with green, golden, or red metallic sheen ( Fig. 1E View 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. 3C View 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. 3A View 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. 3B View 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

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