Macari, B. P., Basílio, D. S., & Almeida, L. M. de. (2026). New species of Nilio (Nilio) Latreille, 1802 (Coleoptera: Tenebrionidae: Nilioninae) from South America. Papeis Avulsos de Zoologia, e202666si1025. [https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.025](https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.025)
Paiva, C. L., & Caron, E. (2026). A new species of Hypotelus Erichson from the Atlantic Forest of Brazil (Coleoptera, Staphylinidae, Piestinae). Papeis Avulsos de Zoologia, e202666si1024. [https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.024](https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.024)
Soares, A. W. A., & Grossi, P. C. (2026). A new Arnaudius Grossi & Bartolozzi, 2011 (Coleoptera: Lucanidae) species from Machu Picchu, in the Peruvian Andes. Papeis Avulsos de Zoologia, e202666si1021. [https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.021](https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.021)
Churata, J. M., Duarte-de-Mélo, J., Basílio, D. S., & Almeida, L. M. de. (2026). Updates on Chnoodini (Coleoptera: Coccinellidae): Taxonomic changes and descriptions of new species from South America. Papeis Avulsos de Zoologia, e202666si1019. [https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.019](https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.019)
Migliore, L. J. (2026). Two new striking species of Brachys from Brazil (Coleoptera: Buprestidae: Agrilinae, Tracheini). Papeis Avulsos de Zoologia, e202666si1017. [https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.017](https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.017)
Amorim, M. C. F. de, Grossi, P. C., & Iannuzzi, L. (2026). Contribution to the taxonomy of Erioscelis emarginata (Mannerheim, 1829) (Melolonthidae: Dynastinae: Cyclocephalini), with the description of a new related species. Papeis Avulsos de Zoologia, e202666si1016. https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.016
Duarte, P. R. M., Grossi, P. C., & Vaz-de-Mello, F. Z. (2026). New genus, new combination and new tribal placement for the enigmatic species Stenocrates nasutus Dechambre, 1979 (Coleoptera, Scarabaeidae, Dynastinae). Papeis Avulsos de Zoologia, e202666si1014. https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.014 https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.014
Paz-Ordoñez, F., Simões-Vieira, R. C., & Grossi, P. C. (2026). Two new species of Cyclocephala Dejean, 1821 (Melolonthidae: Dynastinae: Cyclocephalini) from the castanea species group. Papeis Avulsos de Zoologia, e202666si1013. https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.013
Cupello, M., Ribeiro-Costa, C. S., Génier, F., & Vaz-de-Mello, F. Z. (2026). Choeridium tridenticeps Arrow, 1913: a Canthidium Erichson, 1847, not an Ateuchus Weber, 1801 (Coleoptera, Scarabaeidae, Scarabaeinae). Papeis Avulsos de Zoologia, e202666si1012. https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.012
Mota, A. A., Sekerka, L., Jilg, J., Arous, E., Machado, R. J. P., & Simões, M. V. dos P. (2026). Cassidinae (Coleoptera: Chrysomelidae) from Pernambuco, Brazil: new records, nomenclatural changes, and identification key of tribes. Papeis Avulsos de Zoologia, e202666si1010. https://doi.org/10.11606/1807-0205/2026.66.special-issue-1.010