Ephemera orientalis McLachlan, 1875 동양하루살이

흰하루살이_수생태175_2009_10_13_0002_PaxEco.jpgCanon | Canon EOS 450D | aperture priority (semi-auto) | spot | Manual W/B | 0.040 s (1/25) (1/25) | F/0.0 | 1.33 (4/3) | 0.00(0/1) | ISO-400 | Flash-No | 2009:10:13 19:30:55