Research article

• A morphological and molecular review of the genus Goniurosaurus, including an identification key

  Hai Ngoc Ngo, Huy Quoc Nguyen, Hieu Minh Tran, Hanh Thi Ngo, Minh Duc Le, Laurenz Rafael Gewiss, Mona van Schingen-Khan, Truong Quang Nguyen, Thomas Ziegler

  38–67

  2021-05-31

• The pseudodichotomous Dasya sylviae sp. nov. (Delesseriaceae, Ceramiales) from 60–90 m mesophotic reefs off Bermuda

  Craig W. Schneider, Margaret M. Cassidy, Gary W. Saunders

  24-37

  2021-05-27

• Taxonomy of the New World bee genus Agapostemon Guérin-Méneville – new names and synonymies (Hymenoptera: Halictidae)

  Cory S. Sheffield, Lars Vilhelmsen, Frederique Bakker

  1–23

  2021-05-25

• The Smicridea (Smicridea) fasciatella species group (Trichoptera: Hydropsychidae) in Brazil: six new species and new distributional records

  Gleison Robson Desiderio, Ana Maria Pes, Vanderly Andrade-Souza, Neusa Hamada

  156-196

  2021-05-24

• Arganiella Giusti & Pezzoli, 1980 (Caenogastropoda: Truncatelloidea: Hydrobiidae): a widespread genus or several narrow-range endemic genera?

  Diana Delicado, Vladimir Pešić, Marian A. Ramos

  140–155

  2021-05-21

• Selizitapia gen. nov. (Hemiptera: Fulgoromorpha: Flatidae) from tapia woodlands of Madagascar

  Dariusz Świerczewski, Adam Stroiński

  124–139

  2021-05-20

• Revision of type specimens of Astaena (Coleoptera: Scarabaeidae: Melolonthinae: Sericini) described by L.W. Saylor

  Thaynara L. Pacheco, Marcela L. Monné, Fernando Z. Vaz-De-Mello, Dirk Ahrens

  94-123

  2021-05-19

• Three new genera from South America and some taxonomic changes in Gyponini (Insecta: Hemiptera: Cicadellidae)

  Clayton C. Gonçalves, Alexandre C. Domahovski, Gabriel Mejdalani, Daniela M. Takiya

  70-93

  2021-05-18

• Integrative taxonomy reveals a rare and new cusk-eel species of Luciobrotula (Teleostei, Ophidiidae) from the Solomon Sea, West Pacific

  Man-Kwan Wong, Mao-Ying Lee, Wei-Jen Chen

  52-69

  2021-05-17

• Four new species and new records of Platygastrinae (Hymenoptera: Platygastridae) from Iran

  Maryam Asadi-Farfar, Younes Karimpour, Hossein Lotfalizadeh, Peter Neerup Buhl

  29-51

  2021-05-14

• Taxonomic status of Macaronesian Eucyclops agiloides azorensis (Arthropoda: Crustacea: Copepoda) revisited – morphology suggests a Palearctic origin

  Maria Hołyńska, Łukasz Sługocki, Souad Ghaouaci, Mounia Amarouayache

  1-28

  2021-05-13

• Taxonomic review of the genus Erythrocricus Schubart, 1962 (Diplopoda, Spirobolida, Rhinocricidae)

  Patrícia Elesbão Silva Rodrigues, Everton Nei Lopes Rodrigues

  177–187

  2021-05-11

• Sinetectula gen. nov., a new genus of Pisaniidae (Gastropoda: Buccinoidea) from the tropical Indian and Pacific Oceans

  Koen Fraussen, Geerat J. Vermeij

  155-176

  2021-05-10

• Litinium gludi sp. nov. (Nematoda, Oxystominidae) from Kermadec Trench, Southwest Pacific Ocean

  Daniel Leduc, Zeng Qi Zhao

  138-154

  2021-05-07

• Two new species of the genus Oryctopterus (Orthoptera: Stenopelmatidae: Oryctopinae) from India, with some notes on biology

  S.R. Hiremath, K.D. Prathapan

  108–137

  2021-05-07

• On the genus Hamma Buckton, 1905 (Hemiptera: Auchenorrhyncha) in Equatorial Africa, with descriptions of three new species

  Antonio Durante, Sandrine Mariella Bayendi Loudit, Antonio Susini

  89–107

  2021-05-06

• On ant-like Synemosyna Hentz, 1846 spiders from Bolivia, with indirect evidence for polymorphic mimicry complexes (Araneae: Salticidae: Simonellini)

  Robert Perger, Gonzalo D. Rubio, Charles R. Haddad

  67–88

  2021-05-05

• Review the bamboo-feeding genus Arcofaciella Fennah, 1956 (Hemiptera: Fulgoromorpha: Delphacidae) with description of a new species from India

  Hong-Xing Li, Xiang-Sheng Chen, Lin Yang

  51-66

  2021-05-04

• Another puzzle piece in the systematics of the chewing louse genus Myrsidea, with a description of a new genus Apomyrsidea

  Stanislav Kolencik, Oldřich Sychra, Julie M. Allen

  36-50

  2021-05-03

• Review of the Inca irroratus species group with description of two new species of Inca LePeletier & Serville, 1828 (Coleoptera, Scarabaeidae, Cetoniinae)

  Rafael Sousa, Matthias Seidel

  15-35

  2021-04-30

• Two new species of the genus Trilacuna (Araneae: Oonopidae) from Jinyun Mountain of Chongqing, China

  Ying Huang, Dong-Ju Bian, Yan-Feng Tong, Zhi-Sheng Zhang, Shu-Qiang Li

  1-14

  2021-04-29

• A new genus and species of tachinid flies from Iran (Diptera, Tachinidae, Goniini)

  Ebrahim Gilasian, Joachim Ziegler, Andrea Tóthová, Mehrdad Parchami-Araghi

  162-185

  2021-04-27

• The genus Phantolabis (Diptera: Limoniidae) new to the Palearctic: description of a new species and re-definition of the genus

  Valentin E. Pilipenko

  148–161

  2021-04-26

• Two new species of Hyalojassini (Hemiptera: Cicadellidae: Iassinae) to the genera Comanopa Blocker and Gehundra Blocker, description of the male of G. sordida (Baker) and key to species

  Alexandre C. Domahovski

  112–129

  2021-04-22

• A review of the powderpost beetle genera Xylothrips Lesne, 1901 and Calophagus Lesne, 1902 (Coleoptera: Bostrichidae: Bostrichinae: Xyloperthini)

  Lan-Yu Liu

  130-147

  2021-04-22

• Notes on the earthworm species, Metaphire anomala (Michaelsen, 1907) (Clitellata, Megascolecidae) in Southern Vietnam, with descriptions of two new species

  Tung T. Nguyen, Dang H. Lam, Anh D. Nguyen

  94-111

  2021-04-21

• Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks

  Letícia Magpali, Danilo R.P. Machado, Thiago Q. Araújo, André R.S. Garraffoni

  62–93

  2021-04-20

• New and poorly known giant scale insects (Homoptera: Coccinea: Margarodidae s. lat.) from the Oriental region with taxonomic and nomenclatural notes on the subfamily Monophlebinae

  Ilya A. Gavrilov-Zimin

  50–61

  2021-04-19

• Taxonomic review of Xenorhyncocoris Miller (Heteroptera: Reduviidae: Ectrichodiinae), with description of X. attractivus sp. nov. and notes on sexual dimorphism of the genus

  Zhuo Chen, Yingqi Liu, Wanzhi Cai

  26-49

  2021-04-16

• An overview of the Brazilian inselberg genus Ameroglossum (Linderniaceae, Lamiales), with the description of seven new species

  Erton M. Almeida, Maarten J.M. Christenhusz, Artur Maia Wanderley, Joel Maciel P. Cordeiro, José Iranildo Miranda De Melo, Fabiane Rabelo Da Costa Batista, Leonardo P. Felix

  1-25

  2021-04-15