Bothynostethini

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Hymenopterida
Ordo: Hymenoptera
Subordo: Apocrita
Superfamilia: Apoidea

Familia: Crabronidae
Subfamilia: Crabroninae
Tribus: Bothynostethini
Subtribus: Bothynostethina - Scapheutina
Name
Bothynostethini W. Fox, 1894

Bothynostethini is a small neotropical tribe of solitary wasps partly recognizable for having peculiar modifications at the apex of the hind femora.[1][2]
References

Bennett DJ (2010-12-17). Phylogenetics of Crabronini, with a consideration of the evolution of predatory and nesting behaviors (Insecta: Hymenoptera: Crabronidae) (Ph.D. thesis). University of Kansas.
Sann M, Niehuis O, Peters RS, Mayer C, Kozlov A, Podsiadlowski L, et al. (May 2018). "Phylogenomic analysis of Apoidea sheds new light on the sister group of bees". BMC Evolutionary Biology. 18 (1): 71. doi:10.1186/s12862-018-1155-8. PMC 5960199. PMID 29776336.