I was preparing dinner the other night and noticed tenanted mines on the sugarsnap peas I was about to cook! They were purchased from Tesco, Princes Risborough (Bucks, VC24) and originate from the USA. They are tenanted, and appear to be a Liriomyza species.  Following a post on the UK leafminers which seemed to confirm my initial diagnosis of genus.  As this is a potential notifiable pest species (and I wanted to find out what it was!), I sent the bag of peas to FERA, and Chris Malumphy has...