A variation of the Mothman might be the Owlman. However, the Owlman isn't always regarded as a menacing being.
The Butterfly seems to be more colorful than moths. A huge humanoid butterfly crop-shape was discovered in 2oo9. Some people believe that a human metamorphoses of consciousness will start near the end of 2012.
There was another crop formation near the Westbury_White_Horse.