The purpose of this application, under Articles 75.6 and 81 of the Code, is to conserve two specific gastropod names Turbo bidens Linnaeus, 1758 (currently Papillifera bidens) and Clausilia incisa Küster, 1876 (currently Cochlodina incisa), by setting aside the neotype designated by Kadolsky (2009) and by fixing the neotype of Helix papillaris Müller, 1774 as neotype for Turbo bidens. This request is in line with Opinion 2176, in which Helix papillaris was regarded as a junior synonym of Turbo bidens.

The purpose of this application, under Article 75.5 of the Code, is to replace the holotype of Exechocentrus lancearius Simon, 1889, an incomplete specimen, with a neotype.

The purpose of this application, under Articles 23.9.3 and 81.1 of the Code, is to conserve the widespread usage of the generic name Erythemis Hagen, 1861 for a group of common dragonflies from the New World over the simultaneously published nominal genus Lepthemis Hagen, 1861, selected to take precedence by the First Reviser action (Article 24.2), whenever these names are considered to be synonyms. This proposal seeks to achieve the least change in the nomenclature of the species currently placed in these two genera, in strict accordance with Principle 4 of the Code.

The purpose of this application, under Article 75.6 of the Code, is to conserve the specific name of the widespread West Palaearctic saprophagous fly Pteremis fenestralis (Fallén, 1820) (sphaeroceridae) in its current usage. A revision of all extant syntypes revealed that they belong to five or six species of four different genera of sphaeroceridae, none of which is identical with Pteremis fenestralis as currently understood. It is proposed that this series of syntypes should be set aside and a male specimen from Sweden, which corresponds to the current usage of the name, be designated as neotype.

The purpose of this application, under article 70.2 of the Code, is to conserve the current usage of the generic name Atomosia Macquart, 1838 for a well-established genus of robber flies. The type species of Atomosia has long been assumed to be Atomosia incisuralis Macquart, 1838. However, the correct type species is Atomosia annulipes Macquart, 1838, which is currently recognized as a valid species of Aphestia Schiner, 1866. Acceptance of Atomosia annulipes as the type species of Atomosia would change the current concept of that genus to that of Aphestia, and the remaining species currently included in Atomosia would require a new genus-group name as there are no junior synonyms from which to choose the next available name. To avoid the nomenclatural instability that would result from following the Principle of Priority, it is proposed that all type fixations for Atomosia Macquart, 1838 prior to that of Atomosia incisuralis Macquart, 1838 by Coquillett (1910) be set aside.

The purpose of this application, under Article 23.9.3 of the Code, is to conserve the generic name Glossina Wiedemann, 1830 (Diptera, glossinidae), which is a widely used name for a well-established and medically important genus of tsetse flies. It is threatened by its infrequently used senior subjective synonym, Nemorhina Robineau-Desvoidy, 1830. It is proposed that Glossina Wiedemann, 1830 be conserved by reversing the precedence relative to Nemorhina Robineau-Desvoidy, 1830 under the plenary power of the Commission, in the interest of nomenclatural stability.

The purpose of this application, under Article 70.2 of the Code, is to conserve the current usage of the generic name Brachystoma Meigen, 1822 for a well-established genus of brachystomatid flies. The type species of Brachystoma has long been assumed to be Syrphus vesiculosus Fabricius, 1794, designated by Blanchard in 1840. However, the correct type species is Brachystoma longicornis Meigen, 1822, designated by Westwood in 1840, which is currently recognized as a valid species of Trichopeza Rondani, 1840. Acceptance of the earlier designation would threaten stability of nomenclature and taxonomy of the common and worldwide genus-group name Brachystoma Meigen, 1822 and make it the senior synonym of Trichopeza Rondani, 1840, thus requiring species in Brachystoma to be associated with the next available generic name Blepharoprocta Loew, 1862. To avoid the nomenclatural instability that would result from following the Principle of Priority, it is proposed that all type fixations for Brachystoma Meigen, 1822 prior to that of Syrphus vesiculosus Fabricius, 1794 by Blanchard (1840) be set aside.

The purpose of this application, under Articles 12 and 75.3 of the Code, is to conserve the long and continuing usage of the specific name wagleri for a Southeast Asian species of venomous snake by ruling that the specific name Cophias wagleri was established by F. Boie (1827). This would involve setting aside all previous usages of that name and designating a neotype. As originally proposed by Schlegel (1826) Trigonocephalus [Cophias] wagleri is a replacement name for Coluber sumatranus Raffles, 1822 but the Commission is now asked to rule that this name denotes a separate taxon. These actions are required to avoid synonymy between the two specific names and between the generic names Tropidolaemus Wagler, 1830 and Parias Gray, 1849.

The Commission has conserved the widespread current usage of the polychaete name Chaetopterus variopedatus by ruling that it is available from Renier [1804b], despite the fact that this work was officially unpublished.

The Commission has removed the homonymy between the family-group enhydrini Régimbart, 1882 (Insecta, Coleoptera) and enhydrini Gray, 1825 (Mammalia, mustelidae) by emending the stem of the name of the type genus Enhydrus Laporte, 1834, to give the beetle family-group name enhydrusini, while leaving the mammalian name, based on Enhydra Fleming, 1822, unchanged.

The Commission has conserved the usage of the generic names Eumolpus Weber, 1801, Chrysochus Chevrolat in Dejean, 1836 and Bromius Chevrolat in Dejean, 1836 by suppressing the name Eumolpus Illiger, 1798.

The Commission emended two entries on the Official List of Generic Names in Zoology: that for the genus Otiorhynchus Germar, currently stated to be dated 1824 with type species Curculio clavipes Bonsdorff, 1785 but which is known to have been proposed by Germar in 1822 with type species Curculio rhacusensis Germar, 1822 by monotypy; and that for the genus Loborhynchus Schoenherr, 1823, whose authorship should be Loborhynchus Dejean, 1821.

The Commission has conserved the current usage of the weevil genus name Plinthus Germar, 1817 and the family-group name plinthini Lacordaire, 1863 by ruling that Curculio megerlei Panzer, 1803 is an available name and designating it as the type species of Plinthus Germar, 1817.

The Commission has conserved the specific name Salmo formosanus Jordan & Oshima, 1919 (currently Oncorhynchus formosanus) for an endemic landlocked salmon in Taiwan by suppression of the senior subjective synonym Salmo saramao Jordan & Oshima in Oshima, 1919.

The Commission has preserved stability in the nomenclature and taxonomy of two families of marine fishes by designating Chaetodon orbis Bloch, 1787 as the type species of the genus Ephippus.