Radashevsky, V. I. & Harris, L. H.: Case 3520. Boccardia proboscidea Hartman, 1940 (Annelida, Spionidae): proposed conservation of the specific name. Kocárek, P.: Case 3522. Palicinae Burr, 1910 (Dermaptera, Spongiohoridae): proposed emendation of the current spelling to Palexinae to remove homonymy with Palicidae Bouvier, 1898 (Crustacea, Decapoda). Rédei, D. & Tsai, J.-F.: Case 3523. Callidea lateralis Guérin-Méneville, 1838 (currently Lamprocoris lateralis; Insecta, Heteroptera): proposed conservation of the specific name. Moseyko, A. G., Sprecher-Uebersax, E. & Löbl, I.: Case 3519. Eumolpus Weber, 1801, Chrysochus Chevrolat in Dejean, 1836 and Bromius Chevrolat in Dejean, 1836 (Insecta, Coleoptera, Chrysomelidae): proposed conservation of usage. Scott, J. A. et al.: Case 3524. Thecla dumetorum Boisduval, 1852 (currently Callophrys dumetorum): proposed neotype; and Thecla sheridonii Edwards, 1877 (currently C. sheridanii) (Lepidoptera, Lycaenidae): proposed conservation. Disney, R. H. L., Akam, M., Simpson, P. & Schmidt-Ott, U.: Case 3521. Megaselia abdita Schmitz, 1959 (Diptera, Phoridae): proposed precedence over Aphiochaeta griseipennis Santos Abreu, 1921 (currently Megaselia griseipennis). Hubble, D., Reike, H.-P., Silfverberg, H., Rücker, W. & Brendell, M.: Comments on the proposed precedence of Latridiidae Erichson, 1842 (Insecta, Coleoptera) over Corticariidae Curtis, 1829 and the proposed conservation of usage of Corticaria Marsham, 1802. Kalashian, M. Y. & Hubble, D.: Comments on the proposed precedence of Maculinea Van Eecke, 1915 over Phengaris Doherty, 1891 (Lepidoptera, Lycaenidae). Lawrence, T., Pelkey, N. & Soares, S.: Comment on the proposed conservation of usage of Testudo gigantea Schweigger, 1812 (currently Geochelone (Aldabarchelys) gigantea) (Reptilia, Testudines). Loewen, M. A. & Chure, D. J.: Comment on the proposed conservation of usage of Allosaurus Marsh, 1877 (Dinosauria, Theropoda) by designation of a neotype for its type species Allosaurus fragilis Marsh, 1877. Morfan, G. S.: Comment on the proposed conservation of usage of Rhynchotherium Falconer, 1868 (Mammalia; Proboscidea): by designation of Rhynchotherium falconeri Osborn, 1923 as the type species. Opinion 2253 (Case 3428). Palaemon rosenbergii De Man, 1879 (currently Macrobrachium rosenbergii; Crustacea, Decapoda): usage conserved by designation of a neotype. Opinion 2254 (Case 3399). Dichochrysa Yang, 1991 (Insecta, Neuroptera): generic name not conserved. Opinion 2255 (Case 3420). Buettneria Case, 1922 (Amphibia): generic name not conserved. Opinion 2256 (Case 3446). Anolis chrysolepis Duméril & Biberon, 1837 (Reptilia, Squamata): precedence given over Draconura nitens Wagler, 1830.