The Migratory Painted Lady and a UC Davis Chancellor's Postdoctoral Fellow

When folks think of "migratory butterflies," they usually associate that term with monarchs. But painted ladies, Vanessa cardui, are also migratory. As butterfly guru Art Shapiro, UC Davis distinguished professor emeritus, says on his website, Art Shapiro's Butterfly Site: "This mass-migrant occurs in much of the Northern Hemisphere. Apparently the entire North American population winters near the US-Mexico border, breeding in the desert after the winter rains generate a crop of annual...