Protrechina

†Protrechina Temporal range: Lutetian, Middle Eocene K Pa Eo Ol Mi Pl Arkansas amber, Malvern, Arkansas, United States
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Formicinae
Genus:	†Protrechina Wilson, 1985
Type species
Protrechina carpenteri
Diversity
1 fossil species (Species Checklist)

Distribution

This taxon is known from Arkansas amber, Malvern, Arkansas, United States (Lutetian, Middle Eocene).

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

• †PROTRECHINA [incertae sedis in Formicinae]
  • †Protrechina Wilson, 1985d: 211. Type-species: †Protrechina carpenteri, by original designation.
  • †Protrechina in Formicinae, Prenolepidini: Hölldobler & Wilson, 1990: 18.
  • †Protrechina in Formicinae, Lasiini: Bolton, 1994: 50, Bolton, 1995b: 369.
  • †Protrechina incertae sedis in Formicinae: Wilson, 1985f PDF: 211; Dlussky & Fedoseeva, 1988: 77; Bolton, 2003 PDF: 28.

Taxonomic Notes

Placed within the Formicinae near Nylanderia by LaPolla & Dlussky (2010), placed within the Formicinae but unplaced to tribe by Ward et al. (2016).

References

• Barden, P. 2017. Fossil ants (Hymenoptera: Formicidae): ancient diversity and the rise of modern lineages. Myrmecological News 24: 1-30.
• Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp. (page 50, Protrechina in Formicinae, Lasiini)
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 369, Protrechina in Formicinae, Lasiini)
• Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 131, Protrechina incertae sedis in Formicinae)
• Boudinot, B.E., Borowiec, M.L., Prebus, M.M. 2022. Phylogeny, evolution, and classification of the ant genus Lasius, the tribe Lasiini and the subfamily Formicinae (Hymenoptera: Formicidae). Systematic Entomology 47, 113-151 (doi:10.1111/syen.12522).
• Dlussky, G. M.; Fedoseeva, E. B. 1988. Origin and early stages of evolution in ants. Pp. 70-144 in: Ponomarenko, A. G. (ed.) Cretaceous biocenotic crisis and insect evolution. Moskva: Nauka, 232 pp. (page 77, Protrechina incertae sedis in Formicinae)
• Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp. (page 18, Protrechina in Formicinae, Prenolepidini (anachronism))
• LaPolla, J.S. & Dlussky, G.M. 2010. Review of fossil Prenolepis genus-group species. Proceedings of the Entomological Society of Washington 112: 258-273.
• Ward, P.S., Blaimer, B.B., Fisher, B.L. 2016. A revised phylogenetic classification of the ant subfamily Formicinae (Hymenoptera: Formicidae), with resurrection of the genera Colobopsis and Dinomyrmex. Zootaxa 4072 (3): 343–357 (doi:10.11646/zootaxa.4072.3.4).
• Wilson, E. O. 1985f. Ants from the Cretaceous and Eocene amber of North America. Psyche (Camb.) 92: 205-216 (page 211, Protrechina incertae sedis in Formicinae)