10, see text Pseudodacnis Sclater, PL, 1886 Dacnis is a genus of Neotropical birds in the tanager family Thraupidae.

These are highly sexually dichromatic species with bright blue males and green females.

[1] The genus Dacnis was introduced in 1816 by the French naturalist Georges Cuvier with the blue dacnis as the type species.

[2][3] The name is from the Ancient Greek daknis, an unidentified bird from Egypt listed by Hesychius of Alexandria and Sextus Pompeius Festus.

[4] This genus is placed together with the genera Tesina and Cyanerpes in the subfamily Dacninae.