Question: Ercheia subsignata is a species of what of the Erebidae family, it is found in the Republic of Congo, the Democratic Republic of Congo and Gabonese Republic, a sovereign state on the west coast of Central Africa?

Context articles: Geography of the Republic of the Congo
Ercheia subsignata
Central Africa
Mocis mutuaria
Democratic Republic of the Congo
Republic of the Congo
Ubangi River
Plukenetia conophora
Gabon
List of companies of Gabon

The Republic of the Congo is located in the western part of Central Africa.
 Situated on the Equator, it is bordered by the Angola exclave of Cabinda to the south (231 km), the Democratic Republic of the Congo to the south and east (1,229 km), the Central African Republic (487 km) and Cameroon (494 km) to the north and Gabon to the west (2,567 km).
 Congo has a 169 km long Atlantic coast with several important ports.
 The Republic of the Congo covers an area of 342,000 km², of which 341,500 km² is land while 500 km² is water.
 Congo claims 200 nmi of territorial sea.
Ercheia subsignata is a species of moth of the Erebidae family.
 It is found in the Republic of Congo, the Democratic Republic of Congo (North Kivu, East Kasai, Orientale), Ethiopia, Gabon, Ghana, Kenya, Malawi, Nigeria, Sierra Leone and São Tomé & Principe.
Central Africa is the core region of the African continent which includes Burundi, the Central African Republic, Chad, the Democratic Republic of the Congo, and Rwanda.
 Middle Africa (as used by the United Nations when categorising geographic subregions) is an analogous term that includes Angola, Cameroon, the Central African Republic, Chad, the Republic of the Congo, the Democratic Republic of the Congo, Equatorial Guinea, Gabon, and São Tomé and Príncipe.
 All of the states in the UN subregion of Middle Africa, plus those otherwise commonly reckoned in Central Africa (11 states in total), constitute the Economic Community of Central African States (ECCAS).
 Since its independence in 2011, South Sudan has also been commonly included in the region.
Mocis mutuaria is a species of moth of the Erebidae family.
 It is found in the Democratic Republic of Congo (Kinshasa, East Kasai, Bas Congo, North Kivu, Katanga), Kenya, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Rwanda, South Africa, Tanzania, Uganda, Zambia and Zimbabwe.
The Democratic Republic of the Congo ( ; ] ; French: "République démocratique du Congo" ), also known as Zaire, DR Congo, East Congo, DRC, DROC, Congo-Kinshasa or simply the Congo, is a country located in Central Africa.
 The DRC borders the Central African Republic and South Sudan to the north; Uganda, Rwanda, Burundi and Tanzania to the east; Zambia and Angola to the south; the Republic of the Congo to the west and the Atlantic Ocean to the southwest.
 It is the second-largest country in Africa (largest in Sub-Saharan Africa) by area and eleventh largest in the world.
 With a population of over 80 million, the Democratic Republic of the Congo is the most populated officially Francophone country, the fourth most-populated nation in Africa and the seventeenth most populated country in the world.
The Republic of the Congo (French: "République du Congo" ), also known as Congo-Brazzaville, West Congo, the Congo Republic or simply Congo, is a country in Central Africa.
 It is bordered by five countries: Gabon and the Atlantic Ocean to the west; Cameroon to the northwest; the Central African Republic to the northeast; the Democratic Republic of the Congo to the east and south; and the Angolan exclave of Cabinda to the southwest.
The Ubangi River ( or ), also spelled Oubangui, is the largest right-bank tributary of the Congo River in the region of Central Africa.
 It begins at the confluence of the Mbomou and Uele Rivers and flows west, forming the border between Central African Republic (CAF) and Democratic Republic of the Congo.
 Subsequently, the Ubangi bends to the southwest and passes through Bangui, the capital of CAF, after which it flows southforming the border between Democratic Republic of the Congo and Republic of Congo.
 The Ubangi finally joins the Congo River at Liranga.
Plukenetia conophora, also called Nigerian walnut, and conophor, is a climbing shrub in the genus "Plukenetia".
 It is not related to the walnut, being so named because its nuts bear a superficial resemblance to the walnut.
 It is native to tropical western and central Africa from Togo to Congo and in Sierra Leone.
 It is abundant in the Nigeria, Cameroon, Republic of the Congo and Democratic Republic of Congo.
 It prefers rain-forest hedge in half-shady places; low bush; secondary forest; plantations at elevations from 250-1400 m Although it is well recorded in Sierra Leone, it is apparently not indigenous to Sierra Leone, since it is not recorded in Liberia and Ghana.
 Its presence in Sierra Leone is due to returning slaves for it is known to the Krio by its Yoruba (Nigerian) name.
 Plukenetia conophora is the only Plukenetia species native to West Africa or Central Africa.
 Others Plukenetia species are indigenous to other parts of Africa, the Indian Subcontinent, Southeast Asia, and America.
Gabon ( ; ] ), officially the Gabonese Republic (French: "République gabonaise" ), is a sovereign state on the west coast of Central Africa.
 Located on the equator, Gabon is bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo on the east and south, and the Gulf of Guinea to the west.
 It has an area of nearly 270000 sqkm and its population is estimated at 1.5 million people.
 Its capital and largest city is Libreville.
Gabon, officially the Gabonese Republic, is a sovereign state on the west coast of Central Africa located on the equator.
 Gabon is bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo on the east and south, and the Gulf of Guinea to the west.