The Bay checkerspot is a butterfly endemic to the San Francisco Bay region of the U.S. state of California. It is a federally threatened species.
Since the 1980s the population of checkerspotshas been in serious decline.
While the larvae are dependent on the host plants, mostly the dwarf plantain, for sustenance the adult butterflies live on nectar.
Our articles are free for you to copy and distribute. Make sure to give www.learnaboutnature.com credit for the article.