Food Plant: Unknown in UK, but elsewhere: Calamagrostis spp. (Small-reed), Drymochloa spp., Festuca spp. (Fescue), Leucopoda spp., Dactyis glomerata (Cock's-foot Grass)

Mine: July-October (in Europe)

Notes: The larvae live communallt and form long blotches, with greenish frass, on Poaceae. Pupariation occurs within the mine, forming a metallic black puparium. A previously unrecognised British species and found new to Wales (Warrington, 2019).

Agromyzidae Recording Scheme Grade: 5

Data:

Image:©

References:
Warrington, BP (2019) - Cerodontha (Poemyza) pygmella (Hendel) (Diptera:Agromyzidae) new to Wales, and reinstatement as a British species, Dipterists Digest 26, 175-177
Warrington, BP (2023) - A new host genus for the leaf-mining flies Cerodontha (Poemyza) hammi Spencer and Cerodontha (Poemyza) pygmella (Hendel) (Diptera:Agromyzidae), Br.J.Ent. Nat.Hist 36(4), 251-252