Ischnura praematura sp. nov. (Odonata: Zygoptera: Coenagrionidae): a species from Yunnan (China) whose females mate in the teneral state
Nesobasis rito sp. nov. (Zygoptera: Coenagrionidae), a new species of forest damselfly from Vanua Levu, Fiji
Drepanosticta hansruedii Phan, 2021, a new replacement name for Drepanosticta wildermuthi Phan, 2021 (Odonata: Zygoptera: Platystictidae)
Variation in Fukienogomphus prometheus (Lieftinck, 1939) reveals Stylurus takashii (Asahina, 1966) as a junior synonym, with discussion on the status of F. choifongae Wilson & Tam, 2006 (Odonata: Gomphidae)
Leptagrion jeromei (Odonata: Coenagrionidae) spec. nov. from Brazil, with notes on L. andromache Hagen in Selys, 1876
A new Idioneura Selys, 1860 for the Brazilian fauna with analysis of the other species (Odonata: Protoneuridae)
A review of the Drepanosticta carmichaeli-group, with the description of D. wildermuthi sp. nov. from the Central Highlands of Vietnam (Odonata: Zygoptera: Platystictidae)
The genus Ophiogomphus Lieftinck, 1964 in Vietnam, with descriptions of the female of O. minimus Karube, 2014 and O. phantoani sp. nov. (Odonata: Gomphidae)
Morphological description of the final instar larvae of Argia reclusa Selys, 1865 and Tigriagrion aurantinigrum Calvert, 1909 from Southeastern Brazil (Odonata: Coenagrionidae)
Description of the larva of Argia cuprea (Hagen, 1861) with notes on its phylogenetic affinities (Odonata: Coenagrionidae)
The head of Cephalozygoptera (Odonata)
The genus Planaeschna McLachlan, 1895 and its subgroupings in Vietnam, with descriptions of three new species (Odonata: Aeshnidae)
DENNIS R. PAULSON & MILEN MARINOV (2021) Zootaxa 20th Anniversary Celebration: Odonata section. Zootaxa, 4979: 218–221.
Four new species of Wahnesia Förster, 1900 from the D’Entrecasteaux, Louisiade and Woodlark island groups, Papua New Guinea (Odonata: Argiolestidae)
Erratum: RODOLFO NOVELO-GUTIÉRREZ & ROBERTO ARCE-PÉREZ (2021) Description of the larva of Micrathyria paulsoni González-Soriano, 2020 (Odonata: Libellulidae). Zootaxa, 4981: 357–364.
Erratum: RODRIGO ROUCOURT CEZÁRIO & RHAINER GUILLERMO-FERREIRA (2021) Heteragrion gorbi sp. nov. (Odonata: Heteragrionidae) from southeastern Brazil. Zootaxa, 4965: 078–086.
Synopsis of Lestes from Brazil with description of Lestes demarcoi sp. nov. (Zygoptera: Lestidae)
Description of Microgomphus farrelli sp. nov. (Odonata: Anisoptera: Gomphidae) based on adults of both sexes and larvae from Northern Thailand
Re-description of Coeliccia erici Laidlaw, and the description of Coeliccia sameerae sp. nov. from Peninsular Malaysia (Odonata: Zygoptera: Platycnemididae)
Chlorogomphus canhvang sp. nov. from Central Vietnam (Odonata: Chlorogomphidae)
Cordulegaster virginiae sp. nov. from Mexico, including a comparison with C. diadema Selys, 1868, and a redescription of its larva (Odonata: Cordulegastridae)
Checklist of the dragonflies (Odonata) of Iran with new records and notes on distribution and taxonomy
Yunnanosticta gen. nov., from Yunnan, a new genus from the Sinostictinae, with the description of two new species (Odonata: Zygoptera: Platystictidae)
A synopsis of the Euphaeidae (Odonata: Zygoptera) of Vietnam, with descriptions of two new species of Euphaea
