Published January 26, 2026 | Version v1

Chalcoderus maculatus Fabricius (Erichson 1847

  • 1. 76 Rue Docteur Perrimond, 83200, Toulon, France.
  • 2. Department of Zoology and Entomology, University of Pretoria, Private Bag X 20, 0028 Hatfield, South Africa.

Description

Chalcoderus maculatus (Fabricius, 1801), restored combination

(Fig. 1)

Ateuchus maculatus Fabricius, 1801: 64.

At. Maculatus F.” (Erichson 1847: 763) (citation).

Chalcoderus maculatus Fabricius (Erichson 1847: 763) (change of genus).

O [nthophagus] maculatus F. (Lacordaire 1855: 109 (note 3)) (citation).

Onthophagus maculatus Fabr. (Harold 1869: 1032) (citation).

O [nthophagus] maculatus Fabricius (d’Orbigny 1902: 114) (citation).

Onthophagus chloroderus d’Orbigny, 1905a: 449 (description) (new subjective synonymy) (Fig. 2)

Onthophagus chloroderus d’Orbigny (d’Orbigny 1913: 257–258) (key).

Onthophagus chloroderus d’Orbigny (d’Orbigny 1914: 657) (catalogue).

Onthophagus chloroderus d’Orb. (Boucomont & Gillet 1927: 161) (citation sensu d’Orbigny 1913).

O. maculatus F.” (Palestrini 1982: 101) (subsequent designation as type species of Chalcoderus Erichson, 1847).

Onthophagus (Parascatonomus) maculatus F. (Palestrini 1982: 98) (transfer to the subgenus Parascatonomus).

Ateuchus maculatus (Fabricius, 1801) (Branco 2011: 18) (citation as type species of Chalcoderus Erichson, 1847)

Parascatonomus (Morettoeus) chloroderus (d’Orbigny, 1905a) (Ochi & Kon 2023: 580) (transfer to Parascatonomus (Morettoeus )).

All citations of Onthophagus chloroderus published subsequent to d’Orbigny (1905a) relate to Chalcoderus maculatus (Fabricius, 1801) (see summary below in section for Chalcoderus signatipennis (de Castelnau, 1840)).

Type material examined: Ateuchus maculatus Fabricius, 1801. Lectotype (not sexed): The type series of this species comprises three specimens according to Zimsen (1984: 31). To stabilize the nomenclature, here, we designate a lectotype (Article 74), which carries the following labels “ Guinea. [Ghana] / Meier. / Mus: T. Lund / Ateuchus / maculatus. F. {handwritten on square label} // small green square // TYPE {black print on red label} // ZMUC / 00508558 // square code ZMUC Fabricius 001127 // square code WORLD SCARAB DATABASE WSD00255537 // Lectotype Ateuchus maculatus / Fabricius, 1801 Moretto, / Deschodt & Davis des. 2025 {red print} // Chalcoderus maculatus / (Fabricius, 1801) / Moretto, Deschodt & Davis / det. 2025” ZMUC. Paralectotypes (2): 1 ex. “small green square // TYPE {black print on red label} // ZMUC / 00508559 // square code ZMUCFabricius 001128 // square code WORLD SCARAB DATABASE WSD00255538 // Onthophagus / maculatus / (Fab.) / P.Moretto det. 2008 {half handwritten, half printed} // Paralectotype Ateuchus / maculatus Fabricius, 1801 / Moretto, Deschodt & Davis / det. 2025 {red print} // Chalcoderus / maculatus / (Fabricius, 1801) / Moretto, Deschodt / & Davis det. 2025”; 1 ex. “small green square // TYPE {black print on red label} // ZMUC / 00508560 // square code ZMUC Fabricius 001129 // square code WORLD SCARAB DATABASE WSD00255539 // Onthophagus / maculatus / (Fab.) / P.Moretto det. 2008 {half handwritten, half printed} // Paralectotype Ateuchus / maculatus Fabricius, 1801 / Moretto, Deschodt & Davis / det. 2025 {red print} // Chalcoderus maculatus / (Fabricius, 1801) / Moretto, Deschodt & Davis / det. 2025” (ZMUC).

Type locality: “Guinea” [Ghana] (Moretto & Génier 2015: 4)

Original description (Fabricius 1801): “maculatus. 45. A. clypeo integro, capite thoraceque cupreis, elytris testaceis nigro-maculatis. Habitat in Guinea. Mus. Dom. Lund. Statura et magnitude praecedentium. Capitis clypeus rotundatus, integer, cupreus. Thorax gibbosus, laevis, cupreus, nitidus. Elytra substriata, Testacea, strigis duabus e maculis quadratis nigris. Corpus atrum.”

Notes

Published as part of Moretto, Philippe, Deschodt, Christian M. & Davis, Adrian L. V., 2026, The genus Chalcoderus Erichson, 1847: synonymy of Parascatonomus (Morettoeus) Ochi & Kon, 2023, and transfer of group 15 (d'Orbigny 1913, 1915) Afrotropical Onthophagus Latreille, 1802 (Coleoptera: Scarabaeinae), pp. 63-84 in Zootaxa 5752 (1) on pages 70-72, DOI: 10.11646/zootaxa.5752.1.3, http://zenodo.org/record/19171508

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Additional details

Biodiversity

References

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  • Erichson, W. F. (1847) Naturgeschichte der Insecten Deutschlands. Erste Abtheilung. Coleoptera. Dritter Band. Nicolaische Buchandling, Berlin, 160 pp. [pp. 641-800] https://doi.org/10.5962/bhl.title.8270
  • Lacordaire, T. (1855) Histoire naturelle des insectes. Genera des coleopteres ou expose methodique et critique de tous les genres proposes jusqu'ici dans cet ordre d'insectes. Tome troisieme contenant les familles des pectinicornes et des lamellicornes. Roret, Paris, 594 pp. https://doi.org/10.5962/bhl.title.8864
  • Harold, B. (1869) Familia XXXIII, Scarabaeidae. In: Gemminger, M. & Harold, B. (Eds.), Catalogus coleopterorum hucusque descriptorum synonymicus et systematicus. Tomus 4. E. H. Gummi, Monachii [Munich], pp. 979 - 1346 + 1-7 (Index), Corrigenda.
  • d'Orbigny, H. (1902) Memoire sur les Onthophagides d'Afrique. Annales de la Societe entomologique de France, 71, 1-324.
  • d'Orbigny, H. (1905 a) Onthophagides provenant du voyage de M. Alluaud dans l'Afrique orientale et descriptions d'autres especes africaines nouvelles. Annales de la Societe entomologique de France, 74 (3 - 4), 381-536. https://doi.org/10.1080/21686351.1905.12279347
  • d'Orbigny, H. (1913) Synopsis des Onthophagides d'Afrique. Annales de la Societe entomologique de France, 82 (1), 1-288. https://doi.org/10.1080/21686351.1913.12279402
  • d'Orbigny, H. (1914) Synopsis des Onthophagides d'Afrique. Catalogue bibliographique et synonymique et table alphabetique des Onthophagides d'Afrique. Annales de la Societe entomologique de France, 82 (4), 609-742. https://doi.org/10.1080/21686351.1913.12279539
  • Boucomont, A. & Gillet, J. J. E. (1927) Fam. Scarabaeidae. Subfam, Coprinae II. In: Schenkling, S. (Ed.), Coleoptorum catalogus. Pars 90. W. Junk, Berlin, pp. 103-263.
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  • Ochi, T. & Kon, M. (2023) A new subgenus of the genus Parascatonomus Paulian from Africa (Coleoptera, Scarabaeidae, Scarabaeinae). Giornale Italiano di Entomologia, 16 (68), 577-584.
  • de Castelnau, le Comte (1840) Histoire naturelle des insectes coleopteres; avec une introduction renfermant l'anatomie et la physiologie des animaux articules, par M. Brulle; ouvrage accompagne de 155 planches gravees sur acier representant plus de 800 sujets. Tome Deuxieme. P. Dumenil, Paris, 563 pp., 38 pls. https://doi.org/10.5962/bhl.title.35290
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