Rhodocanthopus maillei (Percheron, 1841)

Jimenez-Ferbans, Larry, Maestre-Guerra, Ana, Villalba-Fuentes, Evelin, Barros-Barrios, Mayelis M. & Munoz-Montero, Jeison, 2023, Passalidae (Coleoptera, Scarabaeoidea) from the Caribbean coast of Colombia: synopsis, key, and new species description, ZooKeys 1179, pp. 243-297 : 243

14. Rhodocanthopus maillei (Percheron, 1841)

Fig. 17

Diagnosis.

16.3-19.8 mm total length. Body subcylindrical. Anterior border of the frons with strong middle indentation, without secondary mediofrontal tubercles. Mediofrontal and laterofrontal fused, large. Central tubercle with apex not free. Lateroposterior tubercles conspicuous and conical. Eyes reduced. Antennal club tri-lamellate, lamellae short. Lacinia with apex bidentate. Mediobasal area of mentum protruding and glabrous. Marginal groove widened, occupying 2/3 of the anterior margin of the pronotum. Prosternellum rhomboidal, acute. Mesosternum glabrous; mesosternal scars oval and distinct. Metasternum glabrous anterolaterally and in lateral groove; disc smooth and delimited by punctations posteriorly to laterally. Humeri and epipleura glabrous. Anterior ventral border of the profemur with conspicuous groove. Meso- and metatibiae with strong spines.

Comments.

Species very similar to R. maillei , from which it differs by its larger size, reduce punctation on the pronotum, which do not reach the mid zone and the metasternal disc not abundantly punctate.

Figures

Figure 17. Rhodocanthopus maillei (Percheron, 1841) A head and pronotum in dorsal view B habitus dorsal C habitus ventral D habitus lateral. Scale bars: 1.0 mm (A); 2.0 mm (B, C, D).