Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)
Martin VALENT et al.
1-10, Published on 24 January 2019, art. 2019 (491)
A subjective global checklist of the extant non-marine Ostracoda (Crustacea)
Claude MEISCH et al.
1-135, Published on 25 January 2019, art. 2019 (492) 
Four new genera and five new species of ‘Heterocypris’ from Western Australia (Crustacea, Ostracoda, Cyprinotinae)
Five new species of the Drosophila tripunctata group (Diptera: Drosophilidae) from Podocarpus National Park, Ecuador
Ana Danitza PEÑAFIEL-VINUEZA & Violeta RAFAEL
1-35, Published on 29 January 2019, art. 2019 (494) 
Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera
Karl J. WITTMANN & Peter WIRTZ
1-48, Published on 05 February 2019, art. 2019 (495) 
Siphonophoridae from Brazilian Amazonia. Part 2 – Two new tree-climbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)
Helen J. READ & Henrik ENGHOFF
1-26, Published on 07 February 2019, art. 2019 (496) 
Two new marine species of Cocconeis (Bacillariophyceae) from the west coast of Sweden
Adil Y. AL-HANDAL et al.
1-16, Published on 12 February 2019, art. 2019 (497)
Populus primaveralepensis sp. nov. (Salicaceae, Malpighiales), a new species of white poplar from the Bosque La Primavera Biosphere Reserve in western Mexico
J. Antonio VÁZQUEZ-GARCÍA et al.
1-16, Published on 14 February 2019, art. 2019 (498)
Annotated review of Cryptocephalinae (Clytrini), Synetinae and part of Galerucinae (Coleoptera, Chrysomelidae) described by Carl Peter Thunberg
A new genus and three new species of mangrove slugs from the Indo-West Pacific (Mollusca: Gastropoda: Euthyneura: Onchidiidae)
Benoît DAYRAT et al.
1-77, Published on 22 February 2019, art. 2019 (500) 
The new Southeast Asian genus Cambonilla gen. nov. (Zodariidae, Araneae): 'bis repetita placent'
Rudy JOCQUÉ et al.
1-24, Published on 26 February 2019, art. 2019 (501) 
A photographic catalog of Ceraphronoidea types at the Muséum national d’Histoire naturelle, Paris (MNHN), with comments on unpublished notes from Paul Dessart
Carolyn TRIETSCH et al.
1-60, Published on 28 February 2019, art. 2019 (502) 
A taxonomic revision of Globba subsect. Nudae (Zingiberaceae)
Sunisa SANGVIROTJANAPAT et al.
1-37, Published on 05 March 2019, art. 2019 (503)
Publishing trends and productivity in insect taxonomy from 1946 through 2012 based on an analysis of the Zoological Record for four species-rich families
Yang LIU et al.
1-24, Published on 07 March 2019, art. 2019 (504) 
New marine Thinophilus species (Diptera: Dolichopodidae: Hydrophorinae) from the Thai Andaman Sea coast and new records from peninsular Thailand
Abdulloh SAMOH et al.
1-20, Published on 12 March 2019, art. 2019 (505) 
Molecular study supports the position of the New Zealand endemic genus Lamellomorpha in the family Vulcanellidae (Porifera, Demospongiae, Tetractinellida), with the description of three new species
Michelle KELLY et al.
1-25, Published on 14 March 2019, art. 2019 (506) 
Four new species of Brueelia Kéler, 1936 (Phthiraptera: Ischnocera) from African hosts, with a redescription of Nirmus bicurvatus Piaget, 1880
Daniel R. GUSTAFSSON et al.
1-48, Published on 19 March 2019, art. 2019 (507) 
Hoya of Sumatra, an updated checklist, three new species, and a new subspecies
A review of Dendrocephalus (Dendrocephalinus) (Crustacea: Anostraca) with the first records of male-male anostracan aggressive competition
D. Christopher ROGERS et al.
1-14, Published on 26 March 2019, art. 2019 (509) 
Revision of Angursa (Arthrotardigrada: Styraconyxidae) with the description of a new species from Japan
Shinta FUJIMOTO & Jesper Guldberg HANSEN
1-19, Published on 28 March 2019, art. 2019 (510) 
Gastrotricha – not only in sediments: new epiphytic species of Chaetonotida from the Jubilee Greenhouse of the Botanical Garden in Kraków
New Ptiliidae (Coleoptera) from Sarawak in the spirit collection of the Natural History Museum, London
Tretogonia Melichar (Hemiptera: Cicadellidae: Proconiini): two new species from South Brazil and a redescription of T. dentalis Emmrich, 1988
Gabriel MEJDALANI et al.
1-14, Published on 09 April 2019, art. 2019 (513) 
Morphological observations on three Baltic species of Corynosoma Lühe, 1905 (Acanthocephala, Polymorphidae)
Sonja LEIDENBERGER et al.
1-14, Published on 10 April 2019, art. 2019 (514) 
Species groups in the genus Cubitermes (Isoptera: Termitidae) defined on the basis of enteric valve morphology
The oldest platylepadid turtle barnacle (Cirripedia, Coronuloidea): a new species of Platylepas from the Lower Pleistocene of Italy
Alberto COLLARETA et al.
1-17, Published on 16 April 2019, art. 2019 (516) 
Basic anatomy of species of Triphoridae (Gastropoda, Triphoroidea) from Brazil
Maurício Romulo FERNANDES & Alexandre D. PIMENTA
1-60, Published on 17 April 2019, art. 2019 (517) 
Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)
Polysyncraton (Ascidiacea, Didemnidae): a re-examination of some specimens and descriptions of three new species
Livia M. OLIVEIRA et al.
1-25, Published on 23 April 2019, art. 2019 (519) 
Revision of the African shieldbug genus Afrius Stål, 1870 (Hemiptera: Heteroptera: Pentatomidae: Asopinae)
Talita ROELL et al.
1-44, Published on 24 April 2019, art. 2019 (520) 
Revision and morphological analysis of the Ragadidae (Insecta, Diptera)
Micro-computed tomography for natural history specimens: a handbook of best practice protocols
Kleoniki KEKLIKOGLOU et al.
1-55, Published on 30 April 2019, art. 2019 (522) 
The genus Jeekelosoma Mauriès, 1985 – Moroccan cave millipedes (Diplopoda, Polydesmida, Paradoxosomatidae)
Henrik ENGHOFF & Ana Sofía P.S. REBOLEIRA
1-16, Published on 07 May 2019, art. 2019 (523) 
Systematic evaluation of cryptic freshwater snails from central Chile, including the enigmatic Littoridina santiagensis (Gastropoda, Truncatelloidea)
Gonzalo A. COLLADO et al.
1-15, Published on 14 May 2019, art. 2019 (524) 
Three new species of the genus Mimetus Hentz, 1832 (Araneae: Mimetidae) from Yunnan-Guizhou Plateau of China
Jiahui GAN et al.
1-13, Published on 15 May 2019, art. 2019 (525) 
Revision of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from Java
Ayu Savitri NURINSIYAH et al.
1-73, Published on 21 May 2019, art. 2019 (526) 
A photographic catalog of Ceraphronoidea types at the Muséum national d’Histoire naturelle, Paris (MNHN), with comments on unpublished notes from Paul Dessart – Corrigendum
Carolyn TRIETSCH et al.
1-2, Published on 23 May 2019, art. 2019 (527)
Empidoid flies from Cabo Verde (Diptera, Empidoidea, Dolichopodidae and Hybotidae) are not only composed of Old World tropical species
Patrick GROOTAERT & Isabella VAN DE VELDE
1-17, Published on 29 May 2019, art. 2019 (528) 
A new deep-water Tethya (Porifera, Tethyida, Tethyidae) from the Great Australian Bight and an updated Tethyida phylogeny
Shirley J. SOROKIN et al.
1-26, Published on 04 June 2019, art. 2019 (529) 
Taxonomic revision of the Canthidium Erichson, 1847 species of the gigas group (Coleoptera, Scarabaeidae, Scarabaeinae)
Edrielly C. CARVALHO DE SANTANA et al.
1-24, Published on 06 June 2019, art. 2019 (530) 
A new species of Ampharete (Annelida: Ampharetidae) from the West Shetland shelf (NE Atlantic Ocean), with two updated keys to the species of the genus in North Atlantic waters
Julio PARAPAR et al.
1-16, Published on 13 June 2019, art. 2019 (531) 
Resolving the synonymy and polyphyly of the ‘Drosophila bakoue species complex’ (Diptera: Drosophilidae: ‘D. montium species group’) with descriptions of two new species from Madagascar
Amir YASSIN et al.
1-26, Published on 18 June 2019, art. 2019 (532) 
A new species of Quadrivisio (Amphipoda, Maeridae) from coastal tropical lagoons (Benin, West Africa)
Pierre GNOHOSSOU & Christophe PISCART
1-14, Published on 26 June 2019, art. 2019 (533) 
A new species of Macrostemum Kolenati, 1859 from Brazilian Amazon and the immature stages of M. brasiliense (Fischer, 1970) (Trichoptera: Hydropsychidae)
Ana M. PES et al.
1-20, Published on 28 June 2019, art. 2019 (534) 
Description of Lacon mertliki sp. nov. (Coleoptera: Elateridae: Agrypninae) from the Hyrcanian forest ecoregion, with a key to the Lacon species of Iran
Robin KUNDRATA et al.
1-13, Published on 05 July 2019, art. 2019 (535) 
Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region
Teresa MADURELL et al.
1-33, Published on 09 July 2019, art. 2019 (536) 
Revision of the genus Cerapanorpa (Mecoptera: Panorpidae) with descriptions of four new species
Cladistic analysis and description of a new species of the Brazilian genus Atlantodesmus Hoffman, 2000 (Diplopoda: Polydesmida: Chelodesmidae)
Rodrigo Salvador BOUZAN et al.
1-17, Published on 19 July 2019, art. 2019 (538) 
Description of a new genus and species of Chrysopetalidae (Annelida: Polychaeta) from the NE Atlantic, with some further records of related species
Ascensão RAVARA et al.
1-21, Published on 26 July 2019, art. 2019 (539) 
Three new species of Rhaphium Meigen, 1803 from mangroves in Hong Kong (Diptera: Dolichopodidae: Rhaphiinae)
Patrick GROOTAERT et al.
1-21, Published on 30 July 2019, art. 2019 (540) 
Integrative taxonomy resuscitates two species in the Lasioglossum villosulum complex (Kirby, 1802) (Hymenoptera: Apoidea: Halictidae)
Alain PAULY et al.
1-43, Published on 01 August 2019, art. 2019 (541) 
Revision of Distictus Townes, 1966 (Hymenoptera, Ichneumonidae, Cryptinae), with descriptions of ten new species
Fernanda A. SUPELETO et al.
1-64, Published on 06 August 2019, art. 2019 (542) 
Taxonomy of the genus Neopanorpa van der Weele, 1909 (Mecoptera, Panorpidae) from the Oriental Region, with the description of two new species
Trogonoptera brookiana mollumar d’Abrera, Doggett & Parker, 1976 (Lepidoptera: Papilionidae), a subspecies or a synonym?
Chooi-Khim PHON et al.
1-25, Published on 13 August 2019, art. 2019 (544) 
The species of Ctenopelma Holmgren (Hymenoptera, Ichneumonidae) from China
Shu-Ping SUN et al.
1-31, Published on 20 August 2019, art. 2019 (545) 
Two new species of groundwater amphipods of the genus Niphargus Schiödte, 1849 from northwestern Iran
Mahmoud MAMAGHANI-SHISHVAN & Somayeh ESMAEILI-RINEH
1-23, Published on 27 August 2019, art. 2019 (546) 
Guaricicana, a new genus of Hyalojassini (Hemiptera: Cicadellidae: Iassinae) from the Brazilian Atlantic Forest
Alexandre C. DOMAHOVSKI & Rodney R. CAVICHIOLI
1-12, Published on 03 September 2019, art. 2019 (547) 
A revision of the genus Mesoconius Enderlein (Diptera, Micropezidae, Taeniapterinae)
New species of deep-water Calcigorgia gorgonians (Anthozoa: Octocorallia) from the Sea of Okhotsk, with a re-diagnosis and a taxonomic review of the genus
Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species
Niklas JOHANSSON & Björn CEDERBERG
1-136, Published on 12 September 2019, art. 2019 (550) 
Revision of the poorly known Neotropical butterfly genus Zischkaia Forster, 1964 (Lepidoptera, Nymphalidae, Satyrinae), with descriptions of nine new species
Shinichi NAKAHARA et al.
1-67, Published on 13 September 2019, art. 2019 (551) 
Review of Aphidiinae parasitoids (Hymenoptera: Braconidae) of the Middle East and North Africa: key to species and host associations
Ehsan RAKHSHANI et al.
1-132, Published on 16 September 2019, art. 2019 (552) 
Two new species of Fridericia (Annelida: Enchytraeidae) from Hungarian caves
Klára DÓZSA-FARKAS et al.
1-18, Published on 17 September 2019, art. 2019 (553) 
Species turnover between the northern and southern part of the South China Sea in the Elaphropeza Macquart mangrove fly communities of Hong Kong and Singapore (Insecta: Diptera: Hybotidae)
The genus Parbatthorax Tanasevitch, 2019 (Araneae, Linyphiidae) new to China, with a new species from the Gaoligong Mountains
Modiolus cimbricus sp. nov. (Bivalvia: Mytilidae) endemic in the Kattegat-Skagerrak
Kurt W. OCKELMANN & Tomas CEDHAGEN
1-13, Published on 24 September 2019, art. 2019 (556) 
Revision of the Afrotropical Asobara Foerster, 1863 (Hymenoptera: Braconidae: Alysiinae), with the descriptions of twenty five new species
Francisco Javier PERIS-FELIPO et al.
1-146, Published on 25 September 2019, art. 2019 (557) 
Taxonomic revision of the subterranean genus Virpazaria Gittenberger, 1969 (Gastropoda, Spelaeodiscidae)
Zoltán FEHÉR et al.
1-25, Published on 26 September 2019, art. 2019 (558) 
Integrative taxonomy of five astome ciliates (Ciliophora, Astomatia) isolated from earthworms in Central Europe
Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species – Corrigendum
Niklas JOHANSSON & Björn CEDERBERG
1-3, Published on 03 October 2019, art. 2019 (560) 
Two new species of Engertia Dalla Torre, 1913 and Philacelota Heller, 1900 from Indonesia and the Philippines with a revised identification key (Coleoptera: Scarabaeidae: Melolonthinae)
Some thecate hydroids (Cnidaria: Hydrozoa) from off New Caledonia collected during KANACONO and KANADEEP expeditions of the French Tropical Deep-Sea Benthos Program
Horia R. GALEA & Peter SCHUCHERT
1-70, Published on 04 October 2019, art. 2019 (562) 
A review of the cleptoparasitic bee genus Epeolus Latreille, 1802 (Hymenoptera: Apidae) in the Caribbean, Central America and Mexico
Redescription of Chrysidea pumiloides Zimmermann, 1956, and description of three new species of Chrysidea from Madagascar (Hymenoptera: Chrysididae)
Two new species of Lepidocyrtus Bourlet s. lat. (Collembola: Entomobryidae) from China
On a new species of the genus Cyprinotus (Crustacea, Ostracoda) from a temporary wetland in New Caledonia (Pacific Ocean), with a reappraisal of the genus
Koen MARTENS et al.
1-22, Published on 15 October 2019, art. 2019 (566) 
New species and records of Sericini from the Indian subcontinent (Coleoptera, Scarabaeidae) II
SREEDEVI Kolla et al.
1-26, Published on 17 October 2019, art. 2019 (567) 
Revision of Netomocera Bouček (Hymenoptera: Chalcidoidea: Pteromalidae), excluding the Oriental species
Revision of Chondrocyclus s.l. (Mollusca: Cyclophoridae), with description of a new genus and twelve new species
Mysterious chokeberries: new data on the diversity and phylogeny of Aronia Medik. (Rosaceae)
Alexey SHIPUNOV et al.
1-14, Published on 23 October 2019, art. 2019 (570)
Three new species and two new records of the genus Cotesia Cameron (Hymenoptera: Braconidae) from Iran
Mohammad ZARGAR et al.
1-25, Published on 24 October 2019, art. 2019 (571) 
Leptoclinides (Ascidiacea, Didemnidae) from Brazil: new records and two new species
Livia M. OLIVEIRA et al.
1-16, Published on 29 October 2019, art. 2019 (572) 
Two new species of the Macrobiotus hufelandi complex (Tardigrada: Eutardigrada: Macrobiotidae) from Australia and India, with notes on their phylogenetic position
The Elachistinae (Lepidoptera: Gelechioidea, Elachistidae) of Thailand, with description of eight new species
Virginijus SRUOGA et al.
1-34, Published on 05 November 2019, art. 2019 (574) 
Revision of the genus Attemsostreptus Verhoeff, 1941 with description of a new species from Tanzania and notes on the tribe Trachystreptini Cook, 1896 (Spirostreptida, Diplopoda)
Nesrine AKKARI & Henrik ENGHOFF
1-12, Published on 07 November 2019, art. 2019 (575) 
The Trichoptera diversity of Nyungwe National Park, Rwanda, with description of a new species in the family Pisuliidae
Leonce NGIRINSHUTI et al.
1-11, Published on 08 November 2019, art. 2019 (576) 
Diversity and distribution of Pleioplectron Hutton cave wētā (Orthoptera: Rhaphidophoridae: Macropathinae), with the synonymy of Weta Chopard and the description of seven new species
Danilo HEGG et al.
1-46, Published on 12 November 2019, art. 2019 (577) 
Salticidae (Arachnida: Araneae) of New Caledonia: Genus Corambis Simon, 1901
Barbara PATOLETA & Marek ŻABKA
1-18, Published on 19 November 2019, art. 2019 (578) 
Two new nematode species of the genus Tobrilus Andrássy, 1959 (Nematoda, Triplonchida) from Lake Baikal, Russia
Tatyana V. NAUMOVA & Vladimir G. GAGARIN
1-13, Published on 21 November 2019, art. 2019 (579) 
Pseudotelegeusis meloi sp. nov., the first Telegeusinae from Peru (Coleoptera: Omethidae, Telegeusinae)
André Silva ROZA et al.
1-13, Published on 26 November 2019, art. 2019 (580) 
A new western Atlantic snapping shrimp of the Alpheus macrocheles group (Caridea, Alpheidae) revealed by morphological, molecular and color data
Guidomar O. SOLEDADE et al.
1-21, Published on 28 November 2019, art. 2019 (581) 
Review of Palpostilpnus Aubert (Hymenoptera, Ichneumonidae, Phygadeuontinae), with the description of ten new species
Alexey V. RESHCHIKOV et al.
1-63, Published on 03 December 2019, art. 2019 (582) 
Review of the Asian Thaumastodinae (Coleoptera, Byrrhoidea, Limnichidae), with a phylogeny of the genera
A taxonomic revision of the African genus Desplatsia Bocq. (Malvaceae – Grewioideae)
Julia WELLSOW et al.
1-38, Published on 05 December 2019, art. 2019 (584)
Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Jun A. EBERSOLE et al.
1-274, Published on 06 December 2019, art. 2019 (585) 
EJT editorial standard for the semantic enhancement of specimen data in taxonomy literature
Chloë CHESTER et al.
1-22, Published on 06 December 2019, art. 2019 (586)
Astromesitius, a new genus of Mesitiinae (Hymenoptera, Bethylidae) from the Old World
Diego N. BARBOSA & Celso O. AZEVEDO
1-20, Published on 11 December 2019, art. 2019 (587) 
Cerrorchestia taboukeli sp. nov., a new terrestrial amphipod (Amphipoda, Talitridae) from Martinique Island
Christophe PISCART et al.
1-14, Published on 12 December 2019, art. 2019 (588) 
Two new ant species (Formicidae: Dorylinae, Ponerinae) from New Caledonia
Thibault RAMAGE et al.
1-14, Published on 13 December 2019, art. 2019 (589) 
