New Notophthiracarus species (Acarina, Oribatida, Phthiracaridae) and overview of the distribution of the genus in South Africa

Hoplophthiracarus sidorchukae sp. nov. (Acari, Oribatida, Phthiracaridae) from the North Island, New Zealand

Revision of the genus Athyreacarus (Acari: Athyreacaridae)

Two new species of Eutarsopolipus (Acari: Prostigmata: Podapolipidae) parasitizing Syntomus lateralis (Coleoptera: Carabidae) from Iran

Two new species of Australian Eutarsopolipus (Acariformes: Podapolipidae) from Nurus medius (Coleoptera: Carabidae)

A new species of Podapolipus (Acari: Heterostigmata: Podapolipidae) from an Australian gryllacridid cricket (Orthoptera), with keys to orthopteran-associated species of the genus

A new genus and species of the family Microdispidae (Acari: Heterostigmata) associated with Trinervitermes trinervoides (Sjöstedt) (Isoptera: Termitidae) from South Africa

Emendations and updates to “Annotated catalogue of Stigmaeidae (Acari: Prostigmata), with a pictorial key to genera”

Neoaulonastus sidorchukae, a new species of quill mites (Acariformes: Syringophilidae) associated with the purple-rumped sunbird Leptocoma zeylonica (Linnaeus) (Passeriformes: Nectariniidae) from Sri Lanka

The genus Erythraeus (Acari: Erythraeidae) from China with descriptions of two new species and a key to larval species of the genus worldwide

Active postlarval forms of plume-footed Eatoniana (Trombidiformes: Parasitengona, Erythraeidae) in the Eocene Baltic amber

A new species of Adamystis (Acari: Trombidiformes: Adamystidae) from Iran

Preface to a special volume of acarological papers in memory of Ekaterina Alekseevna Sidorchuk (1981–2019)

Systematic acarology and palaeoacarology: a special volume in memory of Ekaterina Alekseevna Sidorchuk (1981–2019) (Table of contents)

Systematic acarology and palaeoacarology: a special volume in memory of Ekaterina Alekseevna Sidorchuk (1981–2019) (Cover & Copyright page)

Phytoseiid mites (Acari: Phytoseiidae) of the Cook Islands

On the systematics of the water mite Piona discrepans (Koenike, 1895) and Piona discrepaniella Tuzovskij, 1990 (Acari, Hydrachnidia, Pionidae)

Redescription of Ololaelaps tasmanicus (Womersley, 1956) and description of a new species of Ololaelaps Berlese (Acari: Laelapidae) from Iran

Eriophyoid mites (Acari: Prostigmata: Eriophyoidea) of Latvia: an annotated checklist

The soft ticks (Parasitiformes: Ixodida: Argasidae) of Mexico: species, hosts, and geographical distribution

A catalogue of the holotypes of chigger mites (Acariformes: Trombiculidae) at the Natural History Museum of Geneva

A checklist of Pontarachnidae (Acari: Hydrachnidia) and notes on distributional patterns of the species

Five new species of mites in the genus Leptogamasus Trägårdh, 1936, and a new subgenus Medioperigamasus (Parasitiformes: Parasitidae)

Revision of the family Carabodidae (Acari: Oribatida) XVII. Redescription of Diplobodes africanus Mahunka, 1987 from Kenia. Description of Diplobodes thailande sp. nov. from Thailand and Rwandabodes kayoveae gen. nov., sp. nov. from Rwanda

A new genus of Pulaeini (Acari: Prostigmata: Cunaxidae) from South–East Asia

Two new species of Gaeolaelaps Evans & Till (Acari: Laelapidae) from Sri Lanka

Presumed species synonymy in the genus Allogynaspis Krantz, 2018 (Acari: Macrochelidae)

Two new species of eriophyid mites (Acari: Eriophyidae) from Malaysia

Review of some mites (Acari: Laelapidae) associated with ants and bumblebees in Western Siberia, Russia

A new species of larval Caeculisoma (Acari: Erythraeidae: Callidosomatinae) ectoparasitic on insects from China and a revised generic diagnosis

A new solitary, interstitial species of Loxosomatidae (Entoprocta) from the coast of Galicia (NW Spain), Loxosoma discoides n. sp.

Two new records of the Family Celaenopsidae (Acari: Mesostigmata) from China, with description of a new species

Mites of the genus Typhlodromus (Acari: Phytoseiidae) from Southern France: combined morphological and molecular approaches for species identification

Systematics of reptile-associated scale mites of the genus Pterygosoma (Acariformes: Pterygosomatidae) derived from external morphology