Berkeley Butterfly Blog

The Pale Swallowtail looks much like a Tiger Swallowtail. Except is is pale yellow, whereas a Tiger is bright yellow. They can someti...

I have Ehrharta growing in my backyard. It is a very common weed. It was brought to the UC Berkeley campus on the shoes of researchers,...

Gulf Fritillaries are my favorite butterfly to raise. Their eggs are big and orange and easy to see on the green foliage. They have f...

Can you see the tiny caterpillar next to the hole in the leaf? It is only a millimeter or so long. And very well camouflaged! Exactly the s...

Common Checkered Skippers have many hostplants, all mallows. The one pictured here is a common weed Malva parviflora. They also use Malva ...

I have raised too many Anise Swallowtails to count. They are easy to find and easy to raise. The problem is the overwintering. They overwi...

Nasturtiums are one of the host plants for Cabbage Whites. Of course, Cabbage Whites also use cabbages and other plants in the cabbage f...