Dichotomius (Dichotomius) Hope 1838

Nunes, Rafael V. & Vaz-de-Mello, Fernando Z., 2019, Taxonomic revision of Dichotomius (Cephagonus) Luederwaldt 1929 and the taxonomic status of remaining Dichotomius Hope 1838 subgenera (Coleoptera: Scarabaeidae: Scarabaeinae: Dichotomiini), Journal of Natural History 53 (37), pp. 2231-2351 : 2238-2239

Dichotomius (Dichotomius) Hope 1838

( Figure 3 (c))

Pinotus (Pinotus) Erichsonı Luederwaldt 1929 ı p. 8. (synonym). (Type species: scarabaeus carolinus Linnaeus 1759 ı by original designation)

Brachycopris Haldeman 1848 p. 125 (synonym). (Type species: scarabaeus carolinus ı by original designation)

Pseudoheliocopris Ferreira 1970 ı p. 8 (synonym); Cambefort 1976: 270. (Type species: Pseudoheliocopris cornutus Ferreira 1970 ı by original designation)

Dichotomius (Dichotomius) Hopeı Martínez 1951 ı p. 140.

Diagnosis. separated from other Dichotomius subgenera by having completely rounded or weakly emarginated anterior portion of the clypeus; lacking clypeal teeth; lacking clypeo-genal angle and having conical ventral clypeal process.

Representatives. This subgenus includes the following species groups: D. diabolicus (Haroldı 1868) ı D. bitiensis ( Gillet 1911) ı D. boreus (Olivier) ı D. buqueti (Lucas 1859) ı

D. carolinus ( Linnaeus 1767) ı D. cotopaxi ( Guérin-Ménéville 1855) ı D. depressicollis ( Harold 1867) ı D. inhiatus ( Germar 1824) ı D. mamillatus ( Felsche 1901) ı D. satanas ( Harold 1867) and D. semiaeneus ( Germar 1824) . It also includes the isolated species Dichotomius bos (Blanchard 1845) ı D. mormon ( Ljungh 1799) and D. agesilaus ( Waterhouse 1891) . Despite the D. buqueti group has been partially revised by Arias-Buriticá and Vaz-de-Mello (2012 ı 2013 ı 2019) and the revision of D. mamillatus is advancedı the whole subgenus needs urgent taxonomic revision.

Figures

Figure 3. (a) Holotype of Dichotomius (Selenocopris) inachoides (Felsche) (b) Dichotomius (Homocanthonides) smaragdinus (Perty) (c) Holotype of Dichotomius (Dichotomius) prietoi (Martínez).