Synonyms and other taxonomic changes
Split from the Svastra Holmberg, 1884 as phylogenomic analyses recovered the 7 species in the Neotropical subgenus Svastra (Svastra) as distinctly part of a separate clade to the four Nearctic subgenera.
Numbers
16 spp. in 4 subgenera, all in our area
(1)Identification
Metanotum with a tuft of hair
(2)

tuft looks like a yellow spot •

tufts more pronounced
Key to species by LaBerge (1958).
(3)Range
Nearctic (ON & the US to Mexico)
Print References
Freitas, F.V.
et al. 2023. UCE phylogenomics, biogeography, and classification of long-horned bees (Hymenoptera: Apidae: Eucerini), with insights on using specimens with extremely degraded DNA. Insect Systematics and Diversity, 7(4) 1–21. DOI:
10.1093/isd/ixad012.