I use pesticides as sparingly as possible, so I sometimes have the pleasure of finding unusual insects like this tiny spider, only a few millimeters big, on a shirasawanum seedling. When I looked more closely, I saw a Japanese mask ;°) I think it's a Diaea dorsata, of the Thomisidae family, a species native to Europe and parts of Japan but absent in the Americas. Interesting also to see how hairy the stem of this seedling from A. shirasawanum 'Aureum' is:
