Isonychia japonica (Ulmer)(빗자루하루살이)

빗자루하루살이_수생태178_2009_10_14_0009_PaxEco.jpgCanon | Canon EOS 450D | aperture priority (semi-auto) | spot | Manual W/B | 0.100 s (1/10) (1/10) | F/0.0 | 1.00 (1/1) | 0.00(0/1) | ISO-400 | Flash-No | 2009:10:14 02:03:29