African migratory locust
... that most outbreaks of the African migratory locust start on the floodplains of the Niger River?
... that most outbreaks of the <b id="mwArM"><a class="mw-redirect" href="./Locusta_migratoria_migratorioides" id="mwArQ" rel="mw:WikiLink" title="Locusta migratoria migratorioides">African migratory locust</a></b> <i id="mwArU">(pictured)</i> start on the floodplains of the <a href="./Niger_River" id="mwArY" rel="mw:WikiLink" title="Niger River">Niger River</a>?