Arcadian

Arcadians are a species of humanoids native to Arcadia, the fifth planet of the Vellun Gamma system.

The Federation made first contact with this race in 2280. The Arcadians were associate members of the United Federation of Planets as of 2286 and had a delegation present during the "Whalesong Crisis" on Earth (FASA RPG: Star Trek IV: The Voyage Home Sourcebook Update).