Ar 19 Gorffennaf 2019, cyflwynwyd cyfyngiadau llymach gennym ar fewnforio coed derw i warchod coed brodorol rhag bygythiad GYD. Mae Llywodraeth Cymru yn gweithio’n agos gyda Defra, y Comisiwn Coedwigaeth a’r gweinyddiaethau datganoledig eraill i sicrhau gwarchodaeth ledled y DU rhag y pla hwn.
On 19 July 2019, we introduced tighter restrictions on the import of oak trees to protect native trees from the threat of OPM. Welsh Government is working closely with Defra, the Forestry Commission and other devolved administrations to ensure UK-wide protection against this pest.