Probably female Southern Hawker Aeshna cyanea.
File name : /home/richardk/web/photos/2005-09-13/IMG_2217.JPG File size : 983705 bytes File date : 2018:08:12 20:42:27 Camera make : Canon Camera model : Canon EOS 350D DIGITAL Date/Time : 2005:09:13 13:17:05 Resolution : 768 x 1152 Flash used : No Focal length : 100.0mm (35mm equivalent: 486mm) CCD width : 7.40mm Exposure time: 0.0020 s (1/500) Aperture : f/8.0 ISO equiv. : 400 Whitebalance : Auto Exposure : aperture priority (semi-auto) JPEG Quality : 100