>>road cruise? I figured that would be the most unproductive method. I thought they don't stray to far from the rock crevices? As far as prime time, do you mean they are out looking for mates? Darn, none of the places I can think of have any roads going through habitat. Is napa county or sonoma my best bet?

They hibernate in the rock crevices, but they do disperse during the summer months away from the crevices. They have to look for mates and for food. Zonata originated in Southern California, and before that, from Arizona, as its closest relative is pyromelana. So, over the course of millions of years, they have migrated over a couple thousand miles total. In fact, what we call pulchra and parvirubra actually came from Baja California quite recently in geological time scale. They could not have done that if they stayed around a few rocks.

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