entomology

Painted lady butterflies swarm North County

Painted lady butterflies have found North County San Diego to their liking as they pass through from Mexico to Oregon. It’s the largest such pass-by since 2005, according to butterfly experts. You can easily identify a painted lady butterfly by looking at its orange, brown and white wings, they say. Wet winter fueled vegetation growth in the Sonoran Desert in Mexico, giving caterpillars a lot…