Ptochomyza mayeri (Spencer, 1966)

Diptera, Agromyzidae

mine

Very narrow, whitish upper-surface corridor that starts somewhere on the leaf and descends towards the leaf base; from here a few short branches reenter the leaf disk, but in the end the corridor goes down throught the petiole into the pith of the stem, where the larva continues as a stem borer.

hostplants

Ranunculaceae, narrowly monophagous

Clematis flammula, recta.

phenology

Larvae in early August (Hering, 1967a).

BENELUX

Not known from the Benelux countries (Fauna Europaea, 2009).

distribution within Europe

Austria, Italy (Fauna Europaea, 2009).

larva & puparium

See Hering (1957a)

synonyms

Phytomyza mayeri.

references

Hering (1957a, 1958a, 1967a), Spencer (1966a), Süss (1979a).

20.iii.2009