Subfamily Xestomyzinae Lyneborg 1976 (stiletto fly)
Insecta - Diptera - Therevidae
Parent taxon: Therevidae according to Q. Feng et al. 2026
See also Hauser and Irwin 2005, Winterton et al. 2016 and Winterton and Ware 2015
Sister taxa: Agapophytinae, Cretothereva, Phycusinae, Psilocephala, Therevinae
Subtaxa: Arctogephyra Peratrimera
Ecology:
Distribution:
• Miocene of Mexico (1 collection)
• Eocene of the Russian Federation (7)
Total: 8 collections each including a single occurrence