The larvae of the fly Agromyza vicifoliae mine the leaves of various vetch species forming a blotch over the leaf mid-rib without an initial gallery mine. The frass is well dispersed.
Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.
Leafmine: Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.
Wherever the larval foodplants occur.
Mine: Bivoltine: early summer and early autumn.
Widespread but local in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015