The geographic region covered by this guide is southern Africa, here defined as south of an including the Cunene Catchment in the west and the Zambezi Catchment in the east. Distribution records from further afield are sometimes included for various reasons, particularly in cases where keys to particular groups have historically been composed to cover a wider region in Africa.
Volume 8 coves the insect orders Hemiptera, Megaloptera, Neuroptera, Trichoptera, and Lepidoptera