Three new genera of large marsh beetles (Coleoptera: Scirtidae) from Valdivian temperate rain forests of southern South America
New taxa and new records of butterflies from Vietnam (Lepidoptera, Papilionoidea)
Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
A striking sexually dimorphic new species of Castolus (Hemiptera: Heteroptera: Reduviidae) from Colombia, with new records from Neotropical countries and taxonomic notes on the genus
Description of the second species of Synhalcurias Carlgren, 1914, Synhalcurias kahakui sp. nov. (Actiniaria: Actinernidae) with redescription of S. elegans (Wassilieff, 1908)
On the type species of the genus Dendarus Dejean, 1821 (Coleoptera: Tenebrionidae)
The odd one in: re-diagnosis and phylogenetic placement of the Assam Day Gecko, Cnemaspis assamensis Das & Sengupta 2000 (Squamata: Gekkonidae)
Two new species of the genus Rhicnogryllus Chopard, 1925 from Hainan, China (Orthoptera: Trigonidiidae: Trigonidiinae)
Erratum: GERALD F. SHIELDS (2021) Cytogenetics of the Simulium arcticum complex (Diptera: Simuliidae). Zootaxa, 5039: 395–408.
Erratum: XULIN ZHOU, LINGZHI OU, BENZHANG SHI, SHENGLOU LONG, LIYA ZHANG & CHANGZHEN ZHENG (2021) A remarkable new species of Tachycines Adelung, 1902 from Guizhou, China (Orthoptera: Rhaphidophoridae: Aemodogryllinae). Zootaxa, 5039 : 447–450.