Note: The last situation report was
dated October 8, 2004.
During July and September 2003, favorable
climatic conditions resulted in increased locust breeding levels throughout
Sahelian West Africa. The density of the swarms increased during October
and November in Mauritania, Mali, and Niger, and the locusts became gregarious.
With an average life span of four months, each gregarious female can lay
up to 200 eggs in its lifetime. The locusts matured from July to October
in Mali and Niger, and then moved on to Northwest Africa for a second breeding