Agromyza erodii Hering, 1927
Erodium laciniatum; from Hering (1927a)
Mine starts with a rather long, contorted, lower-surface corridor, often following the leaf margin; the corridor abruptly widens to a large, upper-surface, very shallow, blotch. Frass as fine grains in the corridor, dispersed and very fine in the later blotch. Pupation external.
Larvae in March.
distribution within Europe
Canary Islands (Fauna Europaea, 2010).
Hering (1927a, 1957a).