Arrival of phylloxera in the Priorat Historical milestone · Torroja del Priorat, Priorat, Tarragona Image of Torroja del Priorat, not of the place itself. The insect reached the comarca in 1893 and destroyed a vineyard that then occupied most of the municipality. The ruin caused massive emigration and many terraced slopes were left abandoned for decades. 1893-1900 Photo: esta_ahi (CC BY-SA 2.0) What to see and do in Torroja del Priorat