Elmidae sp.(여울벌레 sp.)

여울벌레 sp._낙동58_2009_09_13_0024_PaxEco.jpgCanon | Canon EOS 450D | aperture priority (semi-auto) | spot | Manual W/B | 0.077 s (1/13) (1/13) | F/0.0 | 1.33 (4/3) | 0.00(0/1) | ISO-200 | Flash-No | 2009:09:13 21:14:53