cropped, combined

The beauty of tiny creatures. On the left is a Мarginer Calligrapher_fly, most likely, a female. It is only 6-7 millimeters long. The pattern on the abdomen imitates the warning coloration of wasps. On the right is a spider, a little more than 1 cm long (unfortunately, I could not determine species it belongs to). The pattern on the abdomen looks like two human profiles.