About 11 million of the butterflies were seen in the UK during the last "painted lady year" in 2009. Sightings of painted ladies have prompted the posting of countless pictures and videos.

(NewsNation) — In a groundbreaking discovery, researchers have mapped the transatlantic flight of the painted lady butterfly, found in South America for the first time in 2013. The species ...

Painted lady butterflies regularly migrate up to 9,000 miles from Europe to sub-Saharan Africa. However, they stop along the way to rest and replenish themselves. But in order to reach South ...