
Figure 4. Differential morphology in Polynoncus spp.: a, without humeral callus [P. hemisphaericus]; b, with humeral callus [P. longitarsis]. Apex of mesotibia c, with tooth [P. peruanus] and d, without tooth (white arrow) [P. crypticus]. Posterior margin of clypeus e, emarginate [P. bullatus] and f, truncate (white arrow) [P. hemisphaericus]; pronotal ridges of pronotum in g, Polynoncus argentinus and h, Polynoncus pseudogemmifer sp. n. (paratype). Scale bar: 1 mm.
Published as part of Costa-Silva, Vinícius, Strümpher, Werner P., Thyssen, Patricia J. & Vaz-de-Mello, Fernando Z., 2024, Taxonomic revision of the South American genus Polynoncus Burmeister, 1876 (Coleoptera: Scarabaeoidea: Trogidae), pp. 14-166 in Journal of Natural History 58 (1-4) on page 24, DOI: 10.1080/00222933.2023.2260060, http://zenodo.org/record/10830771
Coleoptera, Insecta, Arthropoda, Animalia, Polynoncus, Biodiversity, Trogidae, Taxonomy
Coleoptera, Insecta, Arthropoda, Animalia, Polynoncus, Biodiversity, Trogidae, Taxonomy
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