New Hippothoidae (Bryozoa) from Australasia
New species of Microdispidae (Acari: Heterostigmata) from alpine New Zealand
Two new species of Pristimantis (Anura: Craugastoridae) with notes on the distribution of the genus in northeastern Colombia
Review of the genus Paradonus Stibick, 1971 (Elateridae: Negastriinae), with three new North American species
A taxonomic revision of Allodynerus Blüthgen (Hymenoptera: Vespidae: Eumeninae) from China
Plectranthias cruentus, a new species of anthiadine perchlet (Teleostei: Serranidae) from the Lord Howe Rise, Tasman Sea
New species of Alpinalona Alonso & Sinev, 2017 (Cladocera: Anomopoda: Chydoridae) from South-East USA
Archophileurus spinosus Dechambre, 2006 (Coleoptera: Scarabaeidae: Dynastinae), a new exotic scarab possibly acclimatized in Italy, with a compilation of exotic Scarabaeidae found in Europe
A short taxonomic note on the katydids from the genus Cercoteratura Gorochov, 2019 (Orthoptera: Tettigoniidae: Meconematinae), with a key to species
A new species of treehopper in the genus Cladonota Stål (Hemiptera: Membracidae: Membracinae: Hypsoprorini) from Costa Rica, with preliminary observations of its behaviour and natural history
