Painted Lady Migration

[Paul Cherubini]

Perhaps we are looking at a winter breeding range and spring
disperal pattern approximately like this:
http://www.saber.net/~monarch/pl.jpeg

Paul Cherubini, Placerville, CA

> Ian Watkinson, Yuma, Arizona wrote:
> 
> As I reported just a week or so ago, we hit a peak of an astonishing 200
> painted ladies per minute passing a 20 yard stretch of my driveway on Monday,
> April 23.  I am only a few minutes away from the border with Mexico.  Larvae
> were fairly common in the deserts round here, but even right on the border
> the adults were coming across in large numbers, so those probably originated
> in the extension of the lower deserts south of the border which also received
> good spring rains.  The abundance of spring flower growth didn't just stop at
> the border.  I'm sure that many were also coming from our own southwest
> deserts.

 
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