What is Colias palaeno?
[[File:colias_palaeno.jpg|thumb|left|A Colias palaeno collecting pollen.]] [[File:(MHNT) Colias palaeno - Majdan Kasztelański Pologne - male.jpg|thumb|right|A Colias palaeno butterfly.]] The '''Colias palaeno''' (also known as '''Moorland Clouded Yellow''', '''Palaeno Sulphur''', or '''Pale Arctic Clouded Yellow''') is a butterfly in the family Pieridae. As most Colias-species, it can fly very fast. {{biology-stub}} [[Category:Pieridae]]