Zhigulskaya, Z. A.; Shekhovtsov, S. V.; Poluboyarova, T. V.; Berman, D. I. 2022. Formica picea and F. candida (Hymenoptera: Formicidae): synonyms or two species? Diversity 14(8), 613:1-9. 10.3390/d14080613 PDF

Chesnokova, S. V.; Vaulin, O. V.; Zhigulskaya, Z. A.; Novgorodova, T. A. 2023. Formica gagatoides Ruzsky, 1904, and Siberian F. kozlovi Dlussky, 1965 (Hymenoptera: Formicidae); two or one species? Diversity 15 (5):686, 19 pp. [online early] 10.3390/d15050686 PDF

Andersen, A. N.; Brassard, F.; Hoffmann, B. D. 2023. Unrecognised ant megadiversity in the Australian monsoonal tropics: the Melophorus hirsutipes Heterick, Castelanelli & Shattuck species group. Diversity 15 (8), 892:1-8. [online early] 10.3390/d15080892 PDF

Seifert, B. 2023a. The ant genus Cardiocondyla (Hymenoptera: Formicidae): the species groups with Oriental and Australasian origin. Diversity 15 (1): 25:56 pp. [online early] 10.3390/d15010025 PDF