With some species of moth it seems that males are the ones that are attracted to the light, with females rarely showing up. It has been that way with the Helena Gum Moth, Opodiphthera helena, only males have flown in, with a female never observed until recently. While checking the garden after gale force winds, a chance glance at the ground came up with the goods, a very tattered female clinging to the grass. Her abdomen was distended suggesting she was full of eggs, so she was carefully moved to the Omeo Gum, a tree that has been popular with moth larvae, in the hope that she would lay. She was there for two days and then disappeared, time will tell if larvae appear on the scene.
