Vanessa cardui of the same species, he begins pursuit of her. If the foreign butterfly is a male, the original male will give chase, flying vertically for a few feet before returning to his perch. "V. cardui" establishes territories within areas sheltered by hedgerows. "Vanessa cardui" tend to inhabit sunny, brightly lit, open environments and are often attracted to open areas of flowers and clovers. Adults spend time in small depressions in the ground on overcast days. Larvae feed on Asteraceae species, including "Cirsium", "Carduus", "Centaurea", "Arctium", "Onopordum", "Helianthus", and "Artemisia". The painted lady uses over 300 recorded host plants according to
Black and white some of the early home computers; this was to accommodate black-and-white TV sets, which would display a color signal poorly. (Typically a different shading scheme would be used for the display in the black-and-white mode.) In computing terminology, "black-and-white" is sometimes used to refer to a binary image consisting solely of pure black pixels and pure white pixels; what would normally be called a black-and-white image, that is, an image containing shades of gray, is referred to in this context as grayscale. Black and white Black-and-white (B/W or B&W) images combine black and white in a continuous spectrum, producing a