The in-ground barrier for blocking insects and rodents FOD access to runwayshas amain trough or body having a bottom part and two parallel upright and opposingwalls, aninclined board mounted, so as to be pivotable with respect to the outerupright wall and a lidpivotably mounted at the opposite upright or inner wall. Rodents and insectsslide on theinclined board and will fall in the trough and are not able to crawl back, soas to escape or passacross the barrier, thereby being blocked from the runway.
