Insect Grounds 737

May 1/14-The Sunwing B737-800 C-FGVK, operating as flight SWG9420, was departing from MKJS Jamaica destined for CYYZ Toronto. During the takeoff roll at approximately 90 kts an airspeed disagree indication appeared on the Primary Flight Displays. The takeoff was continued and the crew consulted the QRH. An emergency was declared with ATC and the flight returned to MKJS, where an uneventful landing was completed. Maintenance found an insect blocking the F/O pitot tube. The system was ground tested, and aircraft returned to service.