| West-Central Tropical Africa | Burundi, Zaïre |
| Northeast Tropical Africa | Eritrea, Ethiopia, Socotra, Somalia, Sudan |
| East Tropical Africa | Kenya, Tanzania, Uganda |
| South Tropical Africa | Malawi, Mozambique, Zambia, Zimbabwe |
| Southern Africa | KwaZulu-Natal, Swaziland, Northern Provinces |
| Arabian Peninsula | Oman, Saudi Arabia, Yemen |