What was found
ON TAKEOFF ROLL FROM KMSP F/O`S PFD AIRSPEED FROZEN. REJECTED TAKEOFF, RETURNED TO RAMP. FOUND A BUGS NEST OF DIRT AND DEBRIS IN THE PITOT TUBE, CLEANED OUT PITOT TUBE AND PERFORMED AIRSPEED TEST WITH PITOT STATIC TEST BOX PER M/M 34-10-00-5, ALL SYSTEMS CK GOOD.