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

mod 28.vi.2017