ABIDJAN, Feb 22 (Reuters) - Cocoa arrivals at ports in top grower Ivory Coast reached 1.491 million tonnes between Oct. 1 and Feb. 21, exporters estimated on Monday, down 1.3% from the 1.511 million tonnes delivered over the same period last season.

About 24,000 tonnes of beans were delivered to Abidjan port and 28,000 tonnes to San Pedro between Feb. 15 and Feb. 21 for a total of 52,000 tonnes, up from 37,000 tonnes during the same week last season. (Reporting by Ange Aboa; Editing by Aaron Ross)