I foun them in the bricks of my backyard.
On the left of the photo. They move so much I had a hard time getting a photo!
may be オオナミザトウムシ.
Opiliones (formerly Phalangida) are an order of arachnids commonly known as harvestmen. As of December 2011, over 6,500 species of harvestmen have been discovered worldwide, although the real number of extant species may exceed 10,000. The order Opiliones includes four suborders: Cyphophthalmi, Eupnoi, Dyspnoi, and Laniatores, and representatives of each can be found on every continent except Antarctica (with the exception of Dyspnoi, which is restricted to North America and Eurasia). Well-preserved fossils have been found...