Research article

• The first troglobitic species of Perigona Castelnau, 1835 endemic to southeastern Brazil (Carabidae, Perigonini)

  Thais Giovannini Pellegrini, Rodrigo Lopes Ferreira, Letícia Vieira

  113-127

  2022-03-25

• The Nemesia trapdoor spider fauna of the Maltese archipelago, with the description of two new species (Araneae, Mygalomorphae, Nemesiidae)

  Thomas Cassar, David Mifsud, Arthur E. Decae

  90–112

  2022-03-24

• A taxonomic revision of the New World genus Agamopus Bates, 1887 (Coleoptera: Scarabaeinae: Ateuchini)

  Vinícius Costa-Silva, Edrielly Carvalho, Fernando Z. Vaz-de-Mello

  64–89

  2022-03-23

• Two new species of Exetastes (Hymenoptera: Ichneumonidae: Banchinae) from the Peruvian Andes

  Alexey Reshchikov, Mabel Alvarado

  52–63

  2022-03-22

• The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

  Dieter Korn, Jürgen Bockwinkel

  32–51

  2022-03-21

• Two new species of Lasianthus Jack (Rubiaceae) from southern Vietnam

  Minh Quan Dang, Manh Ha Nguyen, Nghia Son Hoang, Van Tho Le, Thi Mai Huong Nguyen, Nguyen Quynh Chi Ho, Ba Vuong Truong, Van Son Dang

  19–31

  2022-03-18

• Elmidae of Sarawak: the genus Potamophilus Germar, 1811, with a description of P. kelabitensis sp. nov. (Insecta: Coleoptera)

  Ján Kodada, David S. Boukal, Peter Vďačný, Katarína Goffová, Kamila Ondrejková

  1–18

  2022-03-17

• Asplenium danxiaense sp. nov. (Aspleniaceae, Aspleniineae), a new tetraploid fern species from Guangdong, China, based on morphological and molecular data

  Ke-Wang Xu, Chen-Xue Lin, Jian-Qiang Guo, Xin-Xin Zhou, Wen-Bo Liao, Ling-Feng Mao

  162-173

  2022-03-07

• Three new species of European Coletinia Wygodzinsky (Zygentoma, Nicoletiidae), with additional records and an updated identification key

  Rafael Molero-Baltanás, Miquel Gaju-Ricart, Žiga Fišer, Carmen Bach de Roca, Luís F. Mendes

  127–161

  2022-03-04

• Lectotype designation and redescription of four commonly collected Neotropical species of Strumigenys (Hymenoptera: Formicidae)

  Thiago Sanches Ranzani Da Silva, Júlio Cezar Mário Chaul, Rodrigo Machado Feitosa

  103–126

  2022-03-03

• Limnoterrestrial ‘Typhloplanidae’ (Rhabdocoela, Platyhelminthes), with the description of four new species and a new genus

  Albrecht M. Houben, Marlies Monnens, Willem Proesmans, Tom J. Artois

  70–102

  2022-03-01

• The mostly cavernicolous millipede genus Stygiiulus Verhoeff, 1929, stat. nov.: taxonomy, distribution and phylogenetic relationships (Diplopoda, Julida, Julidae)

  Boyan Vagalinski, Simeon Borissov, Aneliya Bobeva, Giacomo Canciani, Dragan Ž. Antić

  30-69

  2022-02-28

• Description of a new species of Spiralothelphusa Bott, 1968, and redescription of Spiralothelphusa wuellerstorfi (Heller, 1862) (Decapoda: Brachyura: Gecarcinucidae)

  Sameer K. Pati, Sudipta Mandal, Deepa Jaiswal

  1-29

  2022-02-22

• Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil

  Wilson J.E.M. Costa, Caio R.M. Feltrin, Axel M. Katz

  140–155

  2022-02-21

• Two new Cyrtodactylus (Squamata, Gekkonidae) from Northeast India

  Jayaditya Purkayastha, Hmar Tlawmte Lalremsanga, Beirathie Litho, Yashpal Singh Rathee, Sanath Chandra Bohra, Vabeiryureilai Mathipi, Lal Biakzuala, Lal Muansanga

  111-139

  2022-02-18

• Description of two new species of the genus Chlorogomphus Selys, 1854 (Odonata: Chlorogomphidae) and a new record of Chlorogomphus gracilis Wilson & Reels, 2001 from the Central Highlands of Vietnam

  Quoc Toan Phan, Haruki Karube

  91-110

  2022-02-17

• A new species of mossy frog (Anura: Rhacophoridae) from Northeastern Vietnam

  Hoa Thi Ninh, Tao Thien Nguyen, Huy Quoc Nguyen, Ngoc Van Hoang, Sonephet Siliyavong, Thinh Van Nguyen, Dzung Trung Le, Quyet Khac Le, Thomas Ziegler

  72–90

  2022-02-16

• DNA barcoding of Aphelopus Dalman (Hymenoptera, Dryinidae) from China, with descriptions of four new species

  Massimo Olmi, Hua-Yan Chen, Adalgisa Guglielmino, Frode Ødegaard, Massimo Vollaro, Leonardo Capradossi, Jing-Xian Liu

  40–71

  2022-02-14

• Review of the Panorpa wormaldi group (Mecoptera: Panorpidae), with descriptions of two new species

  Ji-Shen Wang, Tomoya Suzuki

  18–39

  2022-02-11

• First description of the metopiine genus Trieces Townes, 1946 (Hymenoptera: Ichneumonidae) from the Indomalayan region with three new species from India

  A.P. Ranjith, Dharma Rajan Priyadarsanan

  1–17

  2022-02-10

• It is a mess! How many species are in Rivudiva trichobasis Lugo-Ortiz & McCafferty, 1998 (Ephemeroptera: Baetidae)?

  Paulo Vilela Cruz, Rafael Boldrini, Cláudia R.T. De Lima, Neusa Hamada

  153–191

  2022-02-03

• 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, Andreas Bick, Heike Link

  130–152

  2022-02-01

• The nautiloids from the Early Carboniferous Dalle à Merocanites of Timimoun, western Algeria

  Dieter Korn, Luyi Miao, Jürgen Bockwinkel

  104-129

  2022-01-28

• The genus Alexeter Förster (Hymenoptera, Ichneumonidae) in China, with descriptions of three new species

  Tao Li, Shu-Ping Sun

  81-103

  2022-01-26

• Six new species of Amblypsilopus Bigot (Diptera: Dolichopodidae: Sciapodinae) and a key to species of the Afrotropical mainland

  Igor Ya. Grichanov

  49–80

  2022-01-25

• Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description

  Maysa Fernanda Villela Rezende Souza, Rodrigo Lopes Ferreira

  11–48

  2022-01-24

• Three new species of Oxyethira Eaton, 1873 (Trichoptera: Hydroptilidae) from New Caledonia

  Bruna Maria Silva Cavalcante, Kjell Arne Johanson

  1–10

  2022-01-12

• Two new species of Metacyclops Kiefer, 1927 (Copepoda, Cyclopoida) from Thailand and an up-to-date key to the species recorded in Asia

  Sujeephon Athibai, Koraon Wongkamhaeng, Chaichat Boonyanusith

  146-181

  2022-01-10

• Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

  Víctor Manuel Conde-Vela

  104–145

  2022-01-06

• On Thaicypris panhai gen. et sp. nov., a new herpetocypridine ostracod (Crustacea: Ostracoda: Cyprididae) from Thailand

  Sukonthip Savatenalinton 

  86–103

  2022-01-05