(Butterfly (Delias durai), Papua New Guinea. The 580 new invertebrate species described between 1998 and 2008 have displayed a large variety of types. They include four Delias butterfly species from the Foja Mountains in Papua in Indonesia. These add to the already impressive list of butterflies and moths, topped by the largest butterfly in the world, the giant Queen Alexandra Birdwing, which has a wingspan of up to 30cm, and the Atlas moth, the worldís largest moth. Copyright: © WWF/Henk van Mastrigt)