The subspecies, S. c. hirtus has been described as follows.
This oval, highly convex species has an average length of about 6 to 9.5 mm. Body black and opaque. Body covered with brown erect hooked setae. Setae absent on legs and metasternum. Legs are very long and slender. Head moderately strongly closely punctured. Pronotum moderately strongly closely punctured. Elytra a little longer than their combined width. Elytra have shallow striae and slightly convex intervals. Metasternum consists of large punctures. Male has a very slight rectangular projection near the middle of hind femur.[7]
^F.Z.S, Gilbert J. Arrow (1927-04-01). "XLV.—Notes on the Coleopterous genus Sisyphus (Scarabæidæ)". Annals and Magazine of Natural History. 19 (112): 456–465. doi:10.1080/00222932708655515.
^Daniel, Gimo M.; Davis, Adrian LV; Sole, Catherine L.; Scholtz, Clarke H. (2020-12-20). "Taxonomic review of the tribe Sisyphini sensu stricto (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions". Insect Systematics & Evolution. 51: 1–61. doi:10.1163/1876312X-00002195. hdl:2263/80309. S2CID91940091.