Hidden in the plain sight: a new species of Rhabdophis (Serpentes: Natricinae) from the Rhabdophis himalayanus complex

A cryptic new species of rupicolous Hemidactylus Goldfuss, 1820 (Squamata: Gekkonidae) allied to H. aaronbaueri Giri, 2008 from the northern Western Ghats of Maharashtra, India

Further revision of the mesh-web spider genus Taira Lehtinen, 1967 (Amaurobiidae), with the description of six new species

A new species of small Eptesicus Rafinesque (Chiroptera: Vespertilionidae) from northern South America

A revision of Sphaeridops (Hemiptera: Heteroptera: Reduviidae)

New records of the predaceous midge genus Palpomyia from Mexico, with a new species in the Palpomyia distincta group (Diptera: Ceratopogonidae)

Descriptions of two new genera and six new species of ghost-moths (Lepidoptera: Hepialoidea: Hepialidae) from south-eastern and southern Brazil

A new species of Leptobrachella Smith 1925 (Anura: Megophryidae) from Southern Guangxi, China

Erratum: GUILHERME SICHIERI, CARLOS ALBERTO GONÇALVES CRUZ, BRUNO V.S. PIMENTA & IVAN NUNES (2021) Advertisement call description of two Proceratophrys species (Anura: Odontophrynidae). Zootaxa, 4975: 397–400.

Erratum: GEORGE MELIKA, JULI PUJADE-VILLAR, JAMES A. NICHOLLS, VICTOR CUESTA-PORTA, CRYSTAL COOKE-McEWEN & GRAHAM N. STONE (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld. Zootaxa, 4993: 001–081.

Erratum: JIŘÍ MORAVEC (2021) Taxonomic and nomenclatorial revision within the Neotropical genera of the subtribe Odontocheilina W. Horn in a new sense—23. Odontocheila parafemoralis sp. nov., a new species of the O. cajennensis species-complex (Coleoptera: Cicindelidae). Zootaxa, 4995: 096–110.

Erratum: JOSEPH MARLOW, JAMES J. BELL, MEGAN SHAFFER, ABDUL HARIS & CHRISTINE H.L. SCHÖNBERG (2021) Bioeroding sponge species from the Wakatobi region of southeast Sulawesi, Indonesia. Zootaxa, 4996: 001–048.