Pentodon idiota memnon Jakovlev, 1902

Bunalski, Marek & Śmiełowski, Jan, 2020, Review of African Species of the Genus Pentodon Hope, 1837 (Coleoptera: Scarabaeidae: Dynastinae: Pentodontini), The Coleopterists Bulletin 74 (3), pp. 547-554 : 550-551

Pentodon idiota memnon Jakovlev, 1902 ( Fig. 8 )

Pentodon memnon Jakovlev 1902: 271 .

Morphology. Length 17–21 mm. Body convex, black, and weakly shining. Clypeus trapezoidal, very densely and coarsely punctate; anterior edge is slightly thickened, without tubercles, lateral edges with delicate carina. Frontoclypeal suture raised, with blunt tubercle in the middle. Frons punctured more densely than clypeus; vertex smooth posteriorly. Pronotum carinate along anterior and lateral edges. Disc of pronotum distinctly punctate, densely punctate and wrinkled in the front, decreasing in density posteriorly. Scutellar shield triangular, with a few punctures near apex. Striae of elytra almost flat and very finely punctate, interstriae punctured shallowly and not densely. Elytra finely punctate, slightly dull. Pygidium triangular, moderately convex, densely punctate and wrinkled at the base, decreasing distinctly anteriorly.

Male Genitalia. Parameres distinctly narrowing toward apex; apices broadened and evenly rounded with plate-like ridges ventrally ( Fig. 8 ).

Distribution ( Fig. 11F ). MOROCCO: Casablanca, Fes,Ifrane,Tangier; ALGERIA: Alger, Batna, Bou Saada, Ghardaia, Oran, Tazoult, Theniet el Had; TUNISIA: Al Firnanah, Al Kaf, Maksar, Oued Zarga, Tunis.

Figures

Figs. 6–10. Dorsal view of Pentodon parameres (modified from Baraud 1985). 6) P. bidens punctatus; 7) P. bidens sulcifrons; 8) P. idiota memnon; 9) P. variolopunctatus deserti; 10) P. v. variolopunctatus.

Fig. 11. Distribution of Pentodon species in Africa. D) P. bidens punctatus, E) P. bidens sulcifrons, F) P. idiota memnon, G) P. variolopunctatus deserti, H) P. v. variolopunctatus.