Six new species of the Oriental genus Hlavaciellus Jałoszyński (Coleoptera, Staphylinidae, Scydmaeninae)
A new species of Eupatorus Burmeister, 1847 related to Eupatorus birmanicus Arrow, 1908 from southwestern China (Coleoptera: Scarabaeidae: Dynastinae)
A new genus and two new species of Tarsonemidae (Acari: Heterostigmata) associated with bark beetles (Coleoptera: Curculionidae: Scolytinae) from Peru
Second finding, first complete specimen and range extension of the rare alpheid shrimp Bermudacaris britayevi Anker, Poddoubtchenko & Marin, 2006 (Caridea: Alpheidae)
Morphological remarks on Adelphydraena amazonica Perkins & Ribera, 2020 and new records of two other Hydraenidae from Brazil (Coleoptera)
Nomenclatural notes for some Australian Erotylinae (Coleoptera: Erotylidae)
Murcybolus gen. nov., a new net-winged beetle genus from mid-Cretaceous Burmese amber (Coleoptera: Lycidae: Burmolycini)
Two new species of Tanytarsus van der Wulp (Diptera: Chironomidae) from Costa Rica
Laximicracis—a new genus of Afrotropical Micracidini beetles (Coleoptera, Scolytinae)
Re-collection and identity of Ooencyrtus californicus (Hymenoptera: Encyrtidae), and its new synonym, Ooencyrtus lucidus