''Eupherusa'' is a genus of

hummingbird Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics aro ...

s in the family Trochilidae. It contains the following five species: The Mexican woodnymph was formerly placed in the genus ''

Thalurania Woodnymphs are hummingbirds in the genus ''Thalurania''. Males are green and violet-blue, while females are green with white-tipped tails and at least partially whitish underparts. Both sexes have an almost straight, entirely black bill and litt ...

'' with other species with "woodnymph" in their English names. A

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

study published in 2014 found that ''Thalurania'' was non-monophyletic and that the Mexican woodnymph is closely related to species in ''Eupherusa''. Based on this result the Mexican woodnymph is now placed in ''Eupherusa''.

References

Taxonomy articles created by Polbot {{hummingbird-stub