Another week, a few taxonomic works...
Salata, S.; Karaman, C.; Kiran, K.; Borowiec, L. 2021. Review of the Aphaenogaster splendida species-group (Hymenoptera: Formicidae). Annales Zoologici (Warsaw) 71:297-343.
http://antcat.org/documents/8123…_297-343_op.pdf
Strumigenys perplexa (Smith, 1876) (Formicidae, Myrmicinae) a new exotic ant to Europe with establishment in Guernsey, Channel Islands.
Matthew T. Hamer, Andy D. Marquis, Benoit Guénard.
https://jhr.pensoft.net/article/66829/ or https://jhr.pensoft.net/article/66829/download/pdf/560513 with one supplement.
Prebus, M. M. 2021. Taxonomic revision of the Temnothorax salvini clade (Hymenoptera: Formicidae), with a key to the clades of New World Temnothorax. PeerJ 9:e11514.
http://antcat.org/documents/8124…w_world_key.pdf or https://peerj.com/articles/11514/ or https://peerj.com/articles/11514.pdf or https://peerj.com/articles/11514.pdf?res=high with 2 supplements.
Prebus, M. M. 2021. Phylogenetic species delimitation in the ants of the Temnothorax salvini group (Hymenoptera: Formicidae): an integrative approach. Systematic Entomology 46:307-326.
http://antcat.org/documents/8125…elimitation.pdf and the page https://onlinelibrary.wiley.com/doi/10.1111/syen.12463 with two supplements.