Salata, S.; Fisher, B. L. 2020a. Pheidole Westwood, 1839 (Hymenoptera, Formicidae) of Madagascar – an introduction and a taxonomic revision of eleven species groups. ZooKeys 905:1-235. 10.3897/zookeys.905.39592 PDF

Khachonpisitsak, S.; Yamane, S.; Sriwichai, P.; Jaitrong, W. 2020. An updated checklist of the ants of Thailand (Hymenoptera, Formicidae). ZooKeys 998:1-182. 10.3897/zookeys.998.54902 PDF

Wang, W. Y.; Yamada, A.; Yamane, S. 2020. Maritime trap-jaw ants (Hymenoptera, Formicidae, Ponerinae) of the Indo-Australian region – redescription of Odontomachus malignus Smith and description of a related new species from Singapore, including first descriptions of males. ZooKeys 915:137-174. 10.3897/zookeys.915.38968 PDF

Hoenle, P. O.; Lattke, J. E.; Donoso, D. A.; von Beeren, C.; Heethoff, M.; Schmelzle, S.; Argoti, A.; Camacho, L.; Ströbel, B.; Blüthgen, N. 2020. Odontomachus davidsoni sp. nov. (Hymenoptera, Formicidae), a new conspicuous trap-jaw ant from Ecuador. ZooKeys 948:75-105. 10.3897/zookeys.948.48701 PDF

Salata, S.; Fisher, B. L. 2020b. Taxonomic revision of the Pheidole sikorae species group (Hymenoptera, Formicidae) from Madagascar. ZooKeys 949:1-185. 10.3897/zookeys.949.51269 PDF

Hawkes, P. G. 2020. A new species in the Tetramorium solidum-group (Hymenoptera, Formicidae, Myrmicinae) from the Richtersveld National Park, South Africa, with an assessment of threats and conservation status. ZooKeys 965:55–71. 10.3897/zookeys.965.52735 PDF

Boer, P.; Loss, A. C.; Bakker, F.; Beentjes, K.; Fisher, B. L. 2020. Monomorium sahlbergi Emery, 1898 (Formicidae, Hymenoptera): a cryptic globally introduced species. ZooKeys 979:87–97. 10.3897/zookeys.979.55342 PDF

Brassard, F.; Leong, C.-M.; Chan, H.-H.; Guénard, B. 2020. A new subterranean species and an updated checklist of Strumigenys (Hymenoptera, Formicidae) from Macao SAR, China, with a key to species of the Greater Bay Area. ZooKeys 970:63–116. 10.3897/zookeys.970.54958 PDF

Boudinot, B. E.; Perrichot, V.; Chaul, J. C. M. 2020. †Camelosphecia gen. nov., lost ant-wasp intermediates from the mid-Cretaceous (Hymenoptera, Formicoidea). ZooKeys 1005:21-55. 10.3897/zookeys.1005.57629 PDF

Messer, S. J.; Cover, S. P.; Rabeling, C. 2020. Two new species of socially parasitic Nylanderia ants from the southeastern United States. ZooKeys 921:23-48. 10.3897/zookeys.921.46921 PDF

Dias, R. K. S.; Guénard, B.; Akbar, S. A.; Economo, E. P.; Udayakantha, W. S.; Wachkoo, A. A. 2020. The ants (Hymenoptera, Formicidae) of Sri Lanka: a taxonomic research summary and updated checklist. ZooKeys 967:1-142. 10.3897/zookeys.967.54432 PDF

Guo, Y.; Shih, C.; Zhou, D.; Ren, D.; Zhao, Y.; Gao, T. 2021. The first worker-queen association for Cretaceous Formicidae: the winged caste of Haidomyrmex cerberus. ZooKeys 1048:69-78. 10.3897/zookeys.1048.66920 PDF

Aswaj, P.; Sahanashree, R.; Udayakantha, W. S.; Aniruddha, M.; Priyadarsanan, D. R. 2021. Two new species of doryline ants (Hymenoptera, Formicidae) with 11-segmented antennae from India. ZooKeys 1056:59-72. 10.3897/zookeys.1056.68722 PDF

Esteves, F. A.; Fisher, B. L. 2021. Corrieopone nouragues gen. nov., sp. nov., a new Ponerinae from French Guiana (Hymenoptera, Formicidae). ZooKeys 1074:83–173. https://doi.org/10.3897/zookeys.1074.75551 PDF

Khalili-Moghadam, A.; Salata, S.; Borowiec, L. 2021. Three new species of Cataglyphis Foerster, 1850 (Hymenoptera, Formicidae) from Iran. ZooKeys 1009:1-28. doi: 10.3897/zookeys.1009.59205 PDF

Salata, S.; Kiyani, H.; Minaei, K.; Borowiec, L. 2021. Taxonomic review of the Cataglyphis livida complex (Hymenoptera: Formicidae), with a description of a new species from Iran. ZooKeys 1010:117-131. 10.3897/zookeys.1010.58348 PDF

Bharti, H.; Rilta, J. S.; Dhadwal, T. 2021. Two new species of Ooceraea (Hymenoptera, Formicidae, Dorylinae) from India with ten-segmented antennae. ZooKeys 1010:165-183. 10.3897/zookeys.1010.58436 PDF

Escárraga, M. E.; Lattke, J. E.; Pie, M. R.; Guerrero, R. J. 2021. Morphological and genetic evidence supports the separation of two Tapinoma ants (Formicidae, Dolichoderinae) from the Atlantic Forest biome. ZooKeys 1033:35-62. 10.3897/zookeys.1033.59880 PDF

Booher, D. B.; Hoenle, P. O. 2021. A new species group of Strumigenys (Hymenoptera, Formicidae) from Ecuador, with a description of its mandible morphology. ZooKeys 1036:1-19. 10.3897/zookeys.1036.62034 PDF

Yamane, S.; Hosoishi, S.; Ito, F. 2022. Japanese Tetramorium queens: identification key and species diagnoses (Hymenoptera, Formicidae, Myrmicinae). ZooKeys 1084:43-64. 10.3897/zookeys.1084.69767 PDF

Csősz, S.; Kiran, K.; Karaman, C.; Lapeva-Gjonova, A. 2022. A striking color variation is detected in Ponera testacea Emery, 1895 (Hymenoptera, Formicidae) across its Western Palaearctic geographic range. ZooKeys 1084:151-164. 10.3897/zookeys.1084.79415 PDF

Rasoamanana, N.; Fisher, B. L. 2022. A taxonomic revision of the Malagasy endemic subgenus Mayria of the genus Camponotus (Hymenoptera, Formicidae) based on qualitative morphology and quantitative morphometric analyses. ZooKeys 1081:137-231. 10.3897/zookeys.1081.71872 PDF

Salata, S.; Borowiec, L. 2022. A review of the Temnothorax anodontoides species-group (Hymenoptera, Formicidae) from Greece. ZooKeys 1091:139-159. 10.3897/zookeys.1091.79085 PDF

Rakotonirina, J. C.; Fisher, B. L. 2022. Revision of the Malagasy Camponotus subgenus Myrmosaga (Hymenoptera, Formicidae) using qualitative and quantitative morphology. ZooKeys 1098:1-180. 10.3897/zookeys.1098.73223 PDF

Gómez, K.; Kouakou, L. M.; Fischer, G.; Hita-Garcia, F.; Katzke, J.; Economo, E. P. 2022. Pheidole klaman sp. nov.: a new addition from Ivory Coast to the Afrotropical pulchella species group (Hymenoptera, Formicidae, Myrmicinae). ZooKeys 1104:129-157. 10.3897/zookeys.1104.81562 PDF

Jaitrong, W.; Xu, Z.; Kachonpisitsak, S. 2022. A new species of the ant Platythyrea clypeata species group (Hymenoptera, Formicidae, Ponerinae) from continental Asia. ZooKeys 1115:151–168. 10.3897/zookeys.1115.86477 PDF

Schifani, E.; Alicata, A.; Borowiec, L.; García, F.; Gentile, V.; Gómez, K.; Nalini, E.; Rigato, F.; Schär, S.; Scupola, A.; Vila, R.; Menchetti, M. 2023. Unrecognized for centuries: distribution and sexual caste descriptions of the West European Aphaenogaster species of the subterranea group (Hymenoptera, Formicidae). ZooKeys 1153:141-156. [online early] 10.3897/zookeys.1153.98297 PDF

Cantone, S.; Di Giulio, A. 2023a. A new Neotropical ant species of genus Linepithema Mayr (Hymenoptera, Formicidae, Dolichoderinae) with partial revision of the L. fuscum group based on males. ZooKeys 1160:125-144. [online early] 10.3897/zookeys.1160.95694 PDF

Ramamonjisoa, M. M.; Rasoamanana, N.; Fisher, B. L. 2023. Description of the male of Erromyrma Bolton & Fisher, 2016 (Hymenoptera, Formicidae). ZooKeys 1163:61-77. [online early] 10.3897/zookeys.1163.95696 PDF

LaPolla, J. S.; Schneider, S. A. 2023. Trophobiosis between a new species of Acropyga (Hymenoptera, Formicidae) and new Neochavesia (Hemiptera, Xenococcidae) from Peru, and establishment of the Acropyga smithii species-group. ZooKeys 1154:1-16. [online early] 10.3897/zookeys.1154.97578 PDF