The relationships between the planitibia group,
the grimshawi clade,and the adiastola group, and the interrelationships
between the species in the planitibia group were obtained from :
Russo, C.A.M., N. Takezaki, and M. Nei. 1995. Molecular Phylogeny and Divergence
Times of Drosophilid
Species. Mol. Biol. Evol. 12(3):391-404.
Last updated: 3/9/00