1950s and '60s to eradicate populations, at least regionally, failed. Consequently, management is at present directed at removing those congregations that are likely to attack vulnerable fields. In eastern and southern Africa, the control of quelea is often coordinated by the Desert Locust Control Organization for Eastern Africa (DLCO-EA) and the International Red Locust Control Organization for Central and Southern Africa (IRLCO-CSA), which make their aircraft available for this purpose. Gallery References External links Agricultural pests red-billed quelea red-billed quelea Birds of Sub-Saharan Africa red-billed quelea