in summer
Dolomedes pallitarsis (Pisauridae) [Japanese name : suji-buto hashiri-gumo]
These spiders
usually wait for their prey on grass, on the edges of ponds
or streams. They run away over the surface of ponds and streams, when
they sense a danger signal.
The length is 18-20 mm.
It is found on three main islands in Japan - namely, Honshu, Shikoku, and
Kyushu.
