Natural Resources Wales, in conjunction with plant health service partners, undertook swift investigations and have confirmed there is no evidence of an outbreak in the area.
Cynhaliodd Cyfoeth Naturiol Cymru, ar y cyd â phartneriaid y gwasanaeth iechyd planhigion, ymchwiliadau cyflym ac maent wedi cadarnhau nad oes tystiolaeth o frigiad o achosion yn yr ardal.