This video says about itself:
11 November 2016
This video from the USA says about itself:
1 November 2016
Beautiful Gulf Fritillary or “Passion” Butterfly – bright orange catches your eye and the 3 little white dots on each fore-wing are the clincher. Watch for a guest appearance by a spider!
The Gulf Fritillary, Agraulis vanillae (Linnaeus), is a brightly colored butterfly common across extreme southern portions of the United States. At home in most open, sunny habitats, it frequents roadsides, disturbed sites, fields, open woodlands, pastures, yards, and parks. It is a regular in most butterfly gardens, including those in more urban settings.
Since that time, now, in October 2016, 105 southern small whites have been observed, at various places in the south of Limburg province.
This species used to live only high up rocky mountains, in, eg, Switzerland, Morocco.
Recently, to their surprise, biologists found it had extended its biotope to rock gardens around Zürich, and was common there. There are many rock gardens in many countries, making it possible for the species to spread further.
For the, often subtle, differences between white butterfly species, see here.