The fishes from the Coto River basin, Pacific coast, Costa Rica
Remarks on some interesting African Pamphagidae and Acrididae (Insecta: Orthoptera: Acridoidea)
Comparative anatomy of the gut of the South American species of Amitermes, with description of two new species and an identification key based on soldiers and workers
The genus Semicerura (Collembola; Isotomidae) in Asia
Two new species of Amphinemura (Plecoptera: Nemouridae) from Damingshan National Natural Reserve of Guangxi, China
Larval development and osteology of Callanthias platei (Teleostei: Callanthiidae) from Desventuradas Islands, South Pacific
Tribe Myrmeleontini (Neuroptera: Planipennia: Myrmeleontidae) in Iran
A new species of Hemiodus Müller (Characiformes: Hemiodontidae) from the lower Rio Xingu, Brazil
Two new Andean species of Alychna Grishin, 2019 (Hesperiidae, Hesperiinae, Hesperiini, Moncina) from Bolivia and Peru
A new species of Apelaunothrips (Thysanoptera: Phlaeothripidae) from India with new synonym of Podothrips sasacola Kurosawa