Small White (Pieris rapae, 菜粉蝶).
For the past month there has been no shortage of butterflies, but in recent days their numbers have been increasing still. Often I see close to a dozen types of butterflies and moths feasting on a single flowerbed, not including more reclusive species hiding under leaves. Small whites are common across the world: perhaps once upon a time they ventured into China from the eastern Mediterranean, but they are natives now.
