Several years ago I killed the grass and put in a native plant garden. This garden continues to surprise me. In this case, it was the color transmitted through a dry spider web that amazed me. I emphasize that there was no moisture to create the irridescent effect. I hope the photos below show on your computer the colors I saw. Click the photos to see the colors better. I made no enhancements to the photos.
And last... no butterflies were harmed in the taking of this photo:
3 days ago