How did flower red spider disease come from?

Flower red spider disease is caused by red spider (spider mite) in flowers. The red spiders that harm flowers are mainly cinnabar spider mites, and their individuals are relatively small, and their body length is generally less than 1 mm, and the body shape of adult mites is generally round or oblong, and most of them are red or dark red, while young mites are generally round and yellowish in color; the shape of nymph mites is similar to that of adult mites, usually yellowish brown.