Phytomyza heterophylli Bland, 1997
Diptera, Agromyzidae
mine
Dark brown blotch, begnning near the tip of the leaf usually descending at one side of the midrib only. (Primary?) feeding lines conspicuous. Several larvae in the mine. Pupation external.
hostplants
Asteraceae, narrowly monophagous
Cirsium helenioides (= heterophyllum).
phenology
Larvae from late June to early August.
distribution within Europe
Scotland.
puparium
Red-brown, rear spiraculum with 16-18 well-defined papillae in an incomplete ellipse.
references
Bland (1997b).
6.v.2010