Deltorhinum kempffmercadoi, Génier, François, 2010

Génier, François, 2010, A review of the Neotropical dung beetle genera Deltorhinum Harold, 1869, and Lobidion gen. nov. (Coleoptera: Scarabaeidae: Scarabaeinae), Zootaxa 2693, pp. 35-48 : 42-43

Deltorhinum kempffmercadoi sp. nov.

(Figs. 12–13)

Diagnosis. Differs from all other species by its moderately upturned clypeus, which is emarginate medially combined with the anterior pronotal margin medially lobate.

Description. Holotype: Body and legs dark reddish brown to black. Clypeus moderately upturned medially; median projection distinctly emarginate medially; marginal bead unmodified, weakly defined on gena only. Gena bluntly angular laterally. Frontal carina distinctly arcuate in dorsal view, median portion higher than lateral portions. Vertex minutely punctate anteriorly, punctures becoming fine posteriorly. Pronotal surface minutely punctate, punctures larger on each side of midline, large, irregular in shape and confluent on anterior median depression; pronotal median longitudinal sulcus wide and deeply impressed throughout; pronotal anterior edge lobate medially, lobate portion preceded by a moderate transverse ovalshaped depression and a blunt oblique transverse bulge on each side of midline, lacking small depressed area on each side of midline. Pronotal basal surface smooth on most of width along posterior edge, with several larger punctures on median fifth. Elytral surface minutely punctate; striae fine and sharply defined, wider and more deeply impressed on apical declivity, punctures transversals and encroaching on interstriae. Elytral epipleuron unmodified, hidden in dorsal view. Protibia with punctures set on a single oblique row on dorsal surface. Profemur sharply carinate anteriorly. Mesofemora and metafemora simply convex ventrally. Mesotarsi and metatarsi with first tarsomere approximately as long as wide at apex. Pygidial surface finely punctate throughout; basal sulcus with few transverse punctures; apical marginal bead weakly defined internally.

Measurements (1 specimen): body length: 7.5 mm.

Holotype Ƥ (CNC): BOLIVIA: Santa Cruz, PNNKM, Lago Caiman, 13°36'S, 60°54.9'W 13–20.I.1997, S. Spector & S. Ayazama / WOLRD SCARAB. DATABASE, WSD00017749 / Holotype 3, Deltorhinum kempffmercadoi sp. nov. F. Génier, 2010.

Material examined (1Ƥ). BOLIVIA: SANTA CRUZ, Lago Caiman, Parque Nacional Noel Kempff Mercado, (13°36'S, 60°54.9'W), 13–20.i.1997, coll. S. Spector & S. Ayazama - 1Ƥ (holotype) ( CNC). Etymology. Kempffmercadoi a patronymic in honor of the late Dr. Noel Kempff Mercado, for his research and discoveries in the National Park that bear his name.

Natural history. Unknown.