Aphotaenius plaumanni Cartwright, 1963 Figs 20F, 38B Aphotaenius plaumanni Cartwright, 1963: 49–50. Haroldiataenius plaumanni – Chalumeau 1983b: 2 (lapsus calami). Diagnosis Length 2.6–2.7 mm. Head with large punctures; clypeus emarginate, margin obtusely angled on each side of emargination. Pronotum with punctures of two sizes; coarse punctures restricted to posterior and lateral margins; smaller punctures distributed across pronotal surface. Elytral interstriae with discrete punctures. Material examined BRAZIL – Rio Grande do Sul • 1 spec.; Santa Cruz do Sul, Cerro Alegre; 29°48′17″ S, 52°19′29″ W; 24 Dec. 2011; R. Bohn leg.; forest (trap p9); pitfall; bovine feces; CEMT. Sexual dimorphism Males with penultimate ventrite of abdomen narrower than those of females. Collecting information Specimens were collected with pitfalls baited with bovine feces (Skelley & Vaz-de-Mello 2020).

Published as part of Gama, Emanuel R. R., Skelley, Paul E. & Vaz-De-Mello, Fernando Z., 2026, Identification guide to the Aphodiinae (Coleoptera: Scarabaeidae) of Brazil, pp. 1-225 in European Journal of Taxonomy 1038 (1) on pages 60-61, DOI: 10.5852/ejt.2026.1038.3175, http://zenodo.org/record/19369988