Question: What is the former name of the landlocked country bordered by Zambia to the northwest, Tanzania to the northeast, and Mozambique on the east, south and west in which a species of moth from the family Adelidae is known?
Sentence (from "List of companies of Malawi"): Malawi, officially the Republic of Malawi, is a landlocked country in southeast Africa that was formerly known as Nyasaland.
Relevant evidence: No