Which of the countries where Euriphene lysandra occurs is the official language Spanish? 
Euriphene lysandra: Euriphene lysandra, the Lysandra nymph, is a butterfly in the Nymphalidae family. Euriphene lysandra:  It is found in southern Nigeria, Cameroon, Equatorial Guinea, Gabon, the Republic of the Congo and the Democratic Republic of the Congo (Moyen-Congo and Mayumbe). Equatorial Guinea:  Equatorial Guinea is the only sovereign African state in which Spanish is an official language.
Equatorial Guinea