Mr. Cressman says control operations are still underway in the Sahelian countries and these will continue until the end of the year, at least until the locusts are gone. At the same time, ground and aerial control operations are already in progress in Morocco and Algeria in response to the incoming swarms from the Sahelian countries. Mr. Cressman says a two-pronged strategy is in place.
Source: tatoeba (12284972)