Question: In what country in eastern Africa within the African Great Lakes region are Mesoxantha butterflies found?

full_context: Document 1: Sephisa dichroa: Sephisa dichroa, the western courtier, is a species of nymphalid butterfly found in South and Southeast Asia. In South Asia, they are found along the Himalayas.
Document 2: Outline of Malawi: Republic of Malawi – sovereign country located in southeastern Africa. Malawi is bordered by Zambia to the northwest, Tanzania to the north and Mozambique, which surrounds it on the east, south and west and is separated from Malawi by Lake Malawi (also Lake Nyasa). The origin of the name Malawi is unclear; it is either derived from that of southern tribes, or from the "glitter of the sun rising across the lake" (as seen in its flag). Malawi is a densely populated country with a democratically-elected, presidential system of government.
Document 3: Mesoxantha: Mesoxantha is a genus of nymphalid butterflies. It is monotypic, containing only Mesoxantha ethosea, the Drury's delight. It is found in Sierra Leone, Guinea, Liberia, Ivory Coast, Ghana, Togo, Nigeria, Cameroon, Gabon, the Republic of the Congo, the Central African Republic, Angola, the Democratic Republic of the Congo, Sudan, Uganda, Tanzania and Mozambique. The habitat consists of lowland forests, including secondary forests.
Document 4: List of lakes of Tanzania: Tanzania lies in the African Great Lakes region and boasts over 61500 km2 of surface area that is covered by lakes. This makes up 6% of the national surface area and 88% of this area is covered by the three major lakes. Lake Victoria and Lake Tanganyika are part of the two great lakes in that nation, with Lake Victoria being the largest freshwater lake in Africa and Lake Tanganyika being the second-deepest lake in the world.
Document 5: Tanzania: Tanzania ( ), officially the United Republic of Tanzania (Swahili: "Jamhuri ya Muungano wa Tanzania" ), is a country in eastern Africa within the African Great Lakes region. It borders Kenya and Uganda to the north; Rwanda, Burundi, and the Democratic Republic of the Congo to the west; Zambia, Malawi, and Mozambique to the south; and the Indian Ocean to the east. Mount Kilimanjaro, Africa's highest mountain, is in north-eastern Tanzania.
Document 6: Tanganyika: Tanganyika was a sovereign state that existed from 9 December 1961 until 26 April 1964, first gaining independence from the United Kingdom as a Commonwealth realm, then becoming a republic within the Commonwealth of Nations exactly a year later. After signing the Articles of Union on 22 April, and passing an Act of Union on 25 April, Tanganyika officially joined with the People's Republic of Zanzibar and Pemba to form the United Republic of Tanganyika and Zanzibar on Union Day, 26 April 1964. The new state changed its name to the United Republic of Tanzania within a year. It was situated between the Indian Ocean and the African Great Lakes of Lake Victoria, Lake Nyasa and Lake Tanganyika.
Document 7: Uganda: Uganda ( or ), officially the Republic of Uganda, is a landlocked country in East Africa. It is bordered to the east by Kenya, to the north by South Sudan, to the west by the Democratic Republic of the Congo, to the south-west by Rwanda, and to the south by Tanzania. The southern part of the country includes a substantial portion of Lake Victoria, shared with Kenya and Tanzania. Uganda is in the African Great Lakes region. Uganda also lies within the Nile basin, and has a varied but generally a modified equatorial climate.
Document 8: Aethalopteryx diksami: Aethalopteryx diksami is a moth in the Cossidae family. It is found in Socotra, Yemen, where it is only known from the central part of Socotra Island from two valleys: the Diksam canyon and the Difarroha valley, which are characterized by the following relict woody vegetation: "Dracaena cinnabari", "Buxus hildebrandtii", "Croton socotranus" and numerous other endemic plants.
Document 9: Trithemis dichroa: Trithemis dichroa, the Small Dropwing, is a species of dragonfly in the family Libellulidae. It is found in Angola, Benin, Cameroon, Central African Republic, the Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Ghana, Guinea, Liberia, Mali, Nigeria, Sierra Leone, Sudan, Togo, Uganda, and Zambia. Its natural habitats are subtropical or tropical moist lowland forests, rivers, and freshwater marshes.
Document 10: East African Community: The East African Community (EAC) is an intergovernmental organisation composed of six countries in the African Great Lakes region in eastern Africa: Burundi, Kenya, Rwanda, South Sudan, Tanzania, and Uganda. John Magufuli, the president of Tanzania, is the EAC's chairman. The organisation was founded in 1967, collapsed in 1977, and revived on 7 July 2000. In 2008, after negotiations with the Southern Africa Development Community (SADC) and the Common Market for Eastern and Southern Africa (COMESA), the EAC agreed to an expanded free trade area including the member states of all three organizations. The EAC is an integral part of the African Economic Community.
Document 11: Hypoleucis ophiusa: Hypoleucis ophiusa, the common costus skipper, is a butterfly in the Hesperiidae family. It is found in Senegal, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Cameroon, Gabon, the Republic of the Congo, the Democratic Republic of the Congo, Uganda, Tanzania and Zambia. The habitat consists of forests.
Document 12: List of companies of Tanzania: Tanzania is a large country in Eastern Africa within the African Great Lakes region. Parts of the country are in Southern Africa. It is bordered by Kenya and Uganda to the north; Rwanda, Burundi, and the Democratic Republic of the Congo to the west; Zambia, Malawi, and Mozambique to the south; and by the Indian Ocean to the east. Kilimanjaro, Africa's highest mountain, is in northeastern Tanzania.
Document 13: Kilimanjaro Native Cooperative Union: Kilimanjaro Native Cooperative Union (KNCU) is a cooperative federation in Tanzania and the oldest cooperative in Africa, founded in 1930 by Charles Dundas. KNCU is owned by the farmers of the 90 primary cooperative societies which buy coffee from the farmers on Kilimanjaro. Offices for the cooperative are located in Moshi.
Document 14: Exochaenium: The genus Exochaenium (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), with many extending to the Sudano-Zambesian and Guineo-Congolian regions. The genus is monophyletic and is used to study the variation and evolution of herkogamy.
Document 15: Hypoleucis sophia: Hypoleucis sophia, the scarce costus skipper, is a butterfly in the Hesperiidae family. It is found in Ivory Coast, Ghana, Nigeria, Cameroon, the Central African Republic, the Democratic Republic of the Congo and Uganda. The habitat consists of wetter forests.
ground_truth: Tanzania