Spearwort Mine

Spearwort Mine

Observation - Spearwort Mine - UK and Ireland. Description: Long mine in leaf of Ranunculus lingua - NO large lumps of frass - possible exit hole on upper surfa

Long mine in leaf of Ranunculus lingua - NO large lumps of frass - possible exit hole on upper surface (last but one photo.
Similar to
https://species.nbnatlas.org/species/NBNSYS0000029816#gallery
more info at
https://bladmineerders.nl/parasites/animalia/arthropoda/insecta/diptera/brachycera/agromyzidae/phytomyzinae/phytomyza/phytomyza-ranunculi/