A spacer for an insulating glazing, includes a main body, which is a main body A including a first pane contact surface, a second pane contact surface, a glazing interior surface, and an outer surface, or which is a main body B including a first pane contact surface, a second pane contact surface, a first glazing interior surface, a second glazing interior surface, a first inner lateral surface, a second inner lateral surface, and an outer surface, wherein the two inner lateral surfaces, together with the two glazing interior surfaces and the outer surface, form a groove for receiving a pane. The spacer has a screen panel made of an opaque material arranged on the glazing interior surface of the main body A or a screen panel arranged on one of the two glazing interior surfaces of the main body B and extending parallel to the two pane contact surfaces.