Monarch (<i><a href="https://en.wikipedia.org/wiki/Danaus_plexippus" class="extiw" title="en:Danaus plexippus">Danaus plexippus</a></i>) wing detail, 100x magnification, Sonoma County, California, United States
<a rel="nofollow" class="external text" href="https://www.inaturalist.org/users/505">Don Loarie</a>
CC BY 4.0
<a rel="nofollow" class="external free" href="https://www.inaturalist.org/photos/240923605">https://www.inaturalist.org/photos/240923605</a>