Southwestern U.S. Painted Lady Migration - Enormous and Extensive!
The ongoing Painted Lady migration is well underway, after a seeming delay in some areas due to cool weather. Large numbers were passing through Palm Springs, California on and before March 2, 2019, and some of these butterflies were observed flying westward. They also became abundant in the Las Vegas area around March 4, and continue to be present there in large numbers. Most recently, an enormous swarm has been flying northward through the Los Angeles area, both yesterday and today, March 12. Painted Ladies are now widespread throughout southern California, includi