The Blackmoor Butterfly I named, not for the dark colors, but for the area that it inhabited. Dark Oak-like trees, and lighter Birch-like trees that shrouded this fog covered marshland camoflaged well these butterflies that at first I thought completely different species. Their wing patterns are the same, just different colors. Their defences, though, were slightly different. Either Butterfly can effective render attackers unconcious. The touch of a Light Blackmoor Butterfly, though, will render you in a state closely resembling death. Nothing but a thorough examination would make one thing otherwise. 

Ancient Mayan carvings showed medicine men employing these butterflies to render their patients unconscious. And by the instruments that they are shown using, I wouldn't have had it any other way.

Dark Blackmoor Butterfly

The Dark Blackmoor Butterfly is actually quite numerous, and seemed to like to swarm. They are also very nervous creatures. As they are approached, they hold completely still, no doubt to better blend in to the Oaks that they rest on. But if one is frightened to flight, then they all seem to go at once. There is little hope of staying conscious when this happens.

Light Blackmoor Butterfly

The Light variant of this butterfly seemed more solitary, but then the white/brown birch trees are less common and are scattered along the higher elevations of the marshland. Wherever one rested for a while, though, a fine white powder would be left over. My research team is studying these traces.