Three new species of Oxyethira Eaton, 1873 (Trichoptera: Hydroptilidae) from New Caledonia
Bruna Maria Silva CAVALCANTE & Kjell Arne JOHANSON
1-10, Publié le 12 janvier 2022, art. 789 (1)
Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genusmore than a century after its description
Maysa Fernanda Villela Rezende SOUZA & Rodrigo Lopes FERREIRA
11-48, Publié le 24 janvier 2022, art. 789 (11) 
Six new species of Amblypsilopus Bigot (Diptera: Dolichopodidae: Sciapodinae) and a key to species of the Afrotropical mainland
The genus Alexeter Förster (Hymenoptera, Ichneumonidae) in China, with descriptions of three new species
The nautiloids from the Early Carboniferous Dalle à Merocanites of Timimoun, western Algeria
Dieter KORN et al.
104-129, Publié le 28 janvier 2022, art. 789 (104) 
A new species of Anobothrus (Polychaeta, Ampharetidae) from the Weddell Sea (Antarctica), with notes on habitat characteristics and an updated key to the genus
Friederike SÄRING et al.
130-152, Publié le 02 février 2022, art. 789 (130) 
It is a mess! How many species are in Rivudiva trichobasis Lugo-Ortiz & McCafferty, 1998 (Ephemeroptera: Baetidae)?
Paulo Vilela CRUZ et al.
153-191, Publié le 03 février 2022, art. 789 (153) 
