DescriptionCriquet migrateur - Invasion de 1928-1941.png
Français : Extension de l'invasion du Criquet migrateur qui a débuté en 1928 dans le delta central du fleuve Niger au Mali (zone en noir). Cette invasion n'a pris fin qu'en 1941 (d'après Batten 1966, in Duranton et al. 1982).
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