Canthon bispinus Germar (Coleoptera: Scarabaeidae): Descriptions of the Third Instar and Pupa Author González-Vainer, Patricia text The Coleopterists Bulletin 2019 2019-03-25 73 1 233 238 http://dx.doi.org/10.1649/0010-065x-73.1.233 journal article 10.1649/0010-065X-73.1.233 1938-4394 5334052 Canthon bispinus Germar, 1824 pupa ( Figs. 16–17 ) Description. Exarate, oval and stout. Body length 9.5–12.0 mm, maximum width 5.0– 6.5 mm . Color yellowish. Surface glabrous. Head: Antennae, clypeus, mandibles, maxillae, and labium welldiscernible. Clypeus bilobed. Thorax: Pronotum transverse with rounded margins and a short, anterior, median papillate projection ( Fig. 16 ). Meso- and metanota with median projections slightly pronounced ( Fig. 17 ). Abdomen: Dorsal tergal projections in each abdominal segment collectively forming a median ridge extending along abdomen. Segments III–VI with lateral finger-like projections on each side of terga III–VI. Bilobate caudal projection present ( Fig 16 ). Genital ampulla evident ventrally at apex in male ( Fig. 17 ).