Question: Cyana trigutta is a moth of the family Erebidae, it is found in Niger, officially the Republic of the Niger, is a landlocked country in which country's Western region?

Context paragraphs:
Cyana paramargarethae: Cyana paramargarethae is a moth of the family Erebidae.  It was described by Karisch and Dall'Asta in 2010.  It is found in the Democratic Republic of Congo and Rwanda.

Niger: Niger or the Niger ( or ; ] ), officially the Republic of the Niger, is a landlocked country in Western Africa, named after the Niger River.  Niger is bordered by Libya to the northeast, Chad to the east, Nigeria and Benin to the south, Burkina Faso and Mali to the west, and Algeria to the northwest.  Niger covers a land area of almost 1,270,000 km, making it the largest country in West Africa, with over 80 percent of its land area covered by the Sahara Desert.  The country's predominantly Islamic population of about /1e6 round 0 million is mostly clustered in the far south and west of the country.  The capital city is Niamey, located in the far-southwest corner of Niger.

Cyana pallidilinea: Cyana pallidilinea is a moth of the family Erebidae.  It was described by Karisch in 2003.  It is found in the Democratic Republic of Congo.

Cyana rufeola: Cyana rufeola is a moth of the family Erebidae.  It was described by Karisch and Dall'Asta in 2010.  It is found in Cameroon, the Central African Republic and the Democratic Republic of Congo.

Cyana rejecta: Cyana rejecta is a moth of the family Erebidae.  It was described by Walker in 1854.  It is found in the Democratic Republic of Congo, Ethiopia, Kenya, Malawi, Sierra Leone, South Africa, Tanzania, Gambia and Uganda.

Cyana trigutta: Cyana trigutta is a moth of the family Erebidae.  It was described by Walker in 1854.  It is found in Cameroon, Niger and Sierra Leone.

Cyana rubristriga: Cyana rubristriga is a moth of the family Erebidae.  It was described by Holland in 1893.  It is found in the Central African Republic, the Democratic Republic of Congo and Gabon.

Cyana hecqi: Cyana hecqi is a moth of the family Erebidae.  It was described by Karisch and Dall'Asta in 2010.  It is found in the Democratic Republic of Congo and Rwanda.

Cyana pretoriae: Cyana pretoriae is a moth of the family Erebidae.  It was described by Distant in 1897.  It is found in the Democratic Republic of Congo, Kenya, Lesotho, Malawi, Mozambique, Somalia, South Africa, Tanzania, Uganda, Zambia and Zimbabwe.

List of companies of Niger: Niger, officially the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River.  It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east.  The economy of Niger centers on subsistence crops, livestock, and some of the world's largest uranium deposits.  Drought cycles, desertification, a 2.9% population growth rate, and the drop in world demand for uranium have undercut the economy.

Supporting paragraphs: Cyana trigutta Niger
Answer: Africa