The Argelians were a humanoid species native to the planet Argelius II (which they called Nelpha) in the Beta Quadrant. Members of the species generally only had one name. (ST reference: Star Charts) Argelian cuisine included mocha sorbet and the drinks nine-layer cocktail and Argelian ale. (DS9 - Invasion! novel: Time's Enemy; TOS - Worlds Apart novel: The Final Reflection)